NWUS53 KUNR 172248
LSRUNR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
447 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0438 PM HAIL 2 SSW SAINT ONGE 44.53N 103.73W
05/17/2013 E1.00 INCH LAWRENCE SD TRAINED SPOTTER
0441 PM HAIL 5 SSW SAINT ONGE 44.48N 103.76W
05/17/2013 E1.75 INCH LAWRENCE SD TRAINED SPOTTER
&&
$$
POJORLIE
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Friday, May 17, 2013
MESO: Mesoscale Discussion 0672
ACUS11 KWNS 172246
SWOMCD
SPC MCD 172245
ALZ000-MSZ000-172345-
MESOSCALE DISCUSSION 0672
NWS STORM PREDICTION CENTER NORMAN OK
0545 PM CDT FRI MAY 17 2013
AREAS AFFECTED...W CNTRL AL AND E CNTRL MS
CONCERNING...SEVERE POTENTIAL...WATCH LIKELY
VALID 172245Z - 172345Z
PROBABILITY OF WATCH ISSUANCE...80 PERCENT
SUMMARY...SCTD TSTMS HAVE INCREASED IN NUMBER AND STRENGTH IN THE
PAST HOUR OVER W CNTRL AL. OTHER STORMS MAY FORM A BIT LATER THIS
EVE WWD INTO E CNTRL MS. ENVIRONMENTAL SETUP APPEARS FAVORABLE FOR A
CONDITIONAL RISK OF SVR WEATHER...INCLUDING A COUPLE TORNADOES.
DISCUSSION...DISCRETE TSTMS HAVE FORMED IN THE PAST HOUR ALONG A
DEEP CONFLUENCE AXIS /PER AREA VWP AND STLT DATA/ EXTENDING WSW FROM
NW AL INTO E CNTRL MS. THIS CONFLUENCE BAND APPEARS TO MARK THE WRN
FRINGE OF A BAND OF ENHANCED SSWLY LOW-LVL FLOW /WITH SPEEDS OF
25-30 KTS/ OVER SE MS/WRN AL. OTHER TSTMS ARE FORMING ATTM ALONG THE
ERN FRINGE OF THIS BAND OF ENHANCED FLOW OVER CNTRL AL...FROM S OF
BHM TO W OF SELMA.
GIVEN RELATIVELY MOISTURE-RICH LOW-LVL ENVIRONMENT AND SOME DEGREE
OF LARGE-SCALE ASCENT ASSOCIATED WITH 35-40 WNWLY MID-LVL SPEED MAX
NOW OVER ERN MS...ENVIRONMENT MAY YIELD A FEW SUSTAINED STORMS/WEAK
SUPERCELLS CAPABLE OF SVR HAIL...LOCALLY DMGG WIND...AND POSSIBLY A
TORNADO. A WW IS BEING CONSIDERED FOR THIS REGION.
..CORFIDI/GUYER.. 05/17/2013
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...BMX...MOB...JAN...
LAT...LON 32848621 32268637 31958742 32228861 32768896 33258860
33548735 33298658 32848621
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SWOMCD
SPC MCD 172245
ALZ000-MSZ000-172345-
MESOSCALE DISCUSSION 0672
NWS STORM PREDICTION CENTER NORMAN OK
0545 PM CDT FRI MAY 17 2013
AREAS AFFECTED...W CNTRL AL AND E CNTRL MS
CONCERNING...SEVERE POTENTIAL...WATCH LIKELY
VALID 172245Z - 172345Z
PROBABILITY OF WATCH ISSUANCE...80 PERCENT
SUMMARY...SCTD TSTMS HAVE INCREASED IN NUMBER AND STRENGTH IN THE
PAST HOUR OVER W CNTRL AL. OTHER STORMS MAY FORM A BIT LATER THIS
EVE WWD INTO E CNTRL MS. ENVIRONMENTAL SETUP APPEARS FAVORABLE FOR A
CONDITIONAL RISK OF SVR WEATHER...INCLUDING A COUPLE TORNADOES.
DISCUSSION...DISCRETE TSTMS HAVE FORMED IN THE PAST HOUR ALONG A
DEEP CONFLUENCE AXIS /PER AREA VWP AND STLT DATA/ EXTENDING WSW FROM
NW AL INTO E CNTRL MS. THIS CONFLUENCE BAND APPEARS TO MARK THE WRN
FRINGE OF A BAND OF ENHANCED SSWLY LOW-LVL FLOW /WITH SPEEDS OF
25-30 KTS/ OVER SE MS/WRN AL. OTHER TSTMS ARE FORMING ATTM ALONG THE
ERN FRINGE OF THIS BAND OF ENHANCED FLOW OVER CNTRL AL...FROM S OF
BHM TO W OF SELMA.
GIVEN RELATIVELY MOISTURE-RICH LOW-LVL ENVIRONMENT AND SOME DEGREE
OF LARGE-SCALE ASCENT ASSOCIATED WITH 35-40 WNWLY MID-LVL SPEED MAX
NOW OVER ERN MS...ENVIRONMENT MAY YIELD A FEW SUSTAINED STORMS/WEAK
SUPERCELLS CAPABLE OF SVR HAIL...LOCALLY DMGG WIND...AND POSSIBLY A
TORNADO. A WW IS BEING CONSIDERED FOR THIS REGION.
..CORFIDI/GUYER.. 05/17/2013
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...BMX...MOB...JAN...
LAT...LON 32848621 32268637 31958742 32228861 32768896 33258860
33548735 33298658 32848621
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KDMX [172246]: Preliminary Local Storm Report
NWUS53 KDMX 172246
LSRDMX
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
546 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0526 PM HAIL EMMETSBURG 43.11N 94.68W
05/17/2013 E0.50 INCH PALO ALTO IA TRAINED SPOTTER
&&
$$
BBROCK
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LSRDMX
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
546 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0526 PM HAIL EMMETSBURG 43.11N 94.68W
05/17/2013 E0.50 INCH PALO ALTO IA TRAINED SPOTTER
&&
$$
BBROCK
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KFSD [172244]: Preliminary Local Storm Report
NWUS53 KFSD 172244
LSRFSD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
544 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0542 PM HAIL 4 W WINDOM 43.87N 95.20W
05/17/2013 E1.75 INCH COTTONWOOD MN TRAINED SPOTTER
BRANCHES 2 INCHES IN DIAMETER DOWN.
&&
$$
ADAMS
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LSRFSD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
544 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0542 PM HAIL 4 W WINDOM 43.87N 95.20W
05/17/2013 E1.75 INCH COTTONWOOD MN TRAINED SPOTTER
BRANCHES 2 INCHES IN DIAMETER DOWN.
&&
$$
ADAMS
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KUNR [172242]: Preliminary Local Storm Report
NWUS53 KUNR 172242
LSRUNR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
442 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0430 PM HAIL 3 E DOWNTOWN SPEARFISH 44.50N 103.80W
05/17/2013 E1.00 INCH LAWRENCE SD PUBLIC
MILE MARKER 18
&&
$$
ME
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LSRUNR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
442 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0430 PM HAIL 3 E DOWNTOWN SPEARFISH 44.50N 103.80W
05/17/2013 E1.00 INCH LAWRENCE SD PUBLIC
MILE MARKER 18
&&
$$
ME
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KBMX [172237]: Preliminary Local Storm Report
NWUS54 KBMX 172237
LSRBMX
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
537 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0536 PM FUNNEL CLOUD CARROLLTON 33.26N 88.10W
05/17/2013 PICKENS AL PUBLIC
&&
$$
MBAER
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LSRBMX
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
537 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0536 PM FUNNEL CLOUD CARROLLTON 33.26N 88.10W
05/17/2013 PICKENS AL PUBLIC
&&
$$
MBAER
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KUNR [172234]: Preliminary Local Storm Report
NWUS53 KUNR 172234
LSRUNR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
434 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0356 PM HAIL 16 NNW SAVAGETON 44.08N 105.91W
05/17/2013 E0.88 INCH CAMPBELL WY PUBLIC
&&
$$
POJORLIE
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LSRUNR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
434 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0356 PM HAIL 16 NNW SAVAGETON 44.08N 105.91W
05/17/2013 E0.88 INCH CAMPBELL WY PUBLIC
&&
$$
POJORLIE
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KFSD [172234]: Preliminary Local Storm Report
NWUS53 KFSD 172234
LSRFSD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
534 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0525 PM HAIL 4 W WINDOM 43.87N 95.20W
05/17/2013 E1.00 INCH COTTONWOOD MN TRAINED SPOTTER
&&
$$
ADAMS
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LSRFSD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
534 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0525 PM HAIL 4 W WINDOM 43.87N 95.20W
05/17/2013 E1.00 INCH COTTONWOOD MN TRAINED SPOTTER
&&
$$
ADAMS
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KDMX [172232]: Preliminary Local Storm Report
NWUS53 KDMX 172232
LSRDMX
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
532 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0527 PM HAIL 1 W EMMETSBURG 43.11N 94.70W
05/17/2013 E1.00 INCH PALO ALTO IA PUBLIC
PUBLIC REPORT OF HEAVY RAINFALL ALONG WITH NICKEL TO A
FEW QUARTER SIZED HAILSTONES.
&&
$$
FBOKSA
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LSRDMX
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
532 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0527 PM HAIL 1 W EMMETSBURG 43.11N 94.70W
05/17/2013 E1.00 INCH PALO ALTO IA PUBLIC
PUBLIC REPORT OF HEAVY RAINFALL ALONG WITH NICKEL TO A
FEW QUARTER SIZED HAILSTONES.
&&
$$
FBOKSA
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KUNR [172228]: Preliminary Local Storm Report
NWUS53 KUNR 172228
LSRUNR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
427 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0426 PM HAIL 3 ESE DOWNTOWN SPEARFIS 44.48N 103.80W
05/17/2013 E1.00 INCH LAWRENCE SD TRAINED SPOTTER
&&
$$
POJORLIE
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LSRUNR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
427 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0426 PM HAIL 3 ESE DOWNTOWN SPEARFIS 44.48N 103.80W
05/17/2013 E1.00 INCH LAWRENCE SD TRAINED SPOTTER
&&
$$
POJORLIE
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KUNR [172224]: Preliminary Local Storm Report
NWUS53 KUNR 172224
LSRUNR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
424 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0423 PM HAIL 7 N DOWNTOWN GILLETTE 44.39N 105.50W
05/17/2013 E1.00 INCH CAMPBELL WY TRAINED SPOTTER
&&
$$
ME
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LSRUNR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
424 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0423 PM HAIL 7 N DOWNTOWN GILLETTE 44.39N 105.50W
05/17/2013 E1.00 INCH CAMPBELL WY TRAINED SPOTTER
&&
$$
ME
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KFSD [172223]: Preliminary Local Storm Report
NWUS53 KFSD 172223
LSRFSD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
523 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0522 PM HAIL WINDOM 43.87N 95.12W
05/17/2013 E1.50 INCH COTTONWOOD MN PUBLIC
&&
$$
ADAMS
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LSRFSD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
523 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0522 PM HAIL WINDOM 43.87N 95.12W
05/17/2013 E1.50 INCH COTTONWOOD MN PUBLIC
&&
$$
ADAMS
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KFSD [172220]: Preliminary Local Storm Report
NWUS53 KFSD 172220
LSRFSD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
520 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0520 PM HAIL 1 W WINDOM 43.87N 95.14W
05/17/2013 E1.25 INCH COTTONWOOD MN EMERGENCY MNGR
&&
$$
ADAMS
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LSRFSD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
520 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0520 PM HAIL 1 W WINDOM 43.87N 95.14W
05/17/2013 E1.25 INCH COTTONWOOD MN EMERGENCY MNGR
&&
$$
ADAMS
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KRIW [172220]: Preliminary Local Storm Report
NWUS55 KRIW 172220
LSRRIW
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
420 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0322 PM FUNNEL CLOUD 12 W WORLAND 44.01N 108.20W
05/17/2013 WASHAKIE WY FIRE DEPT/RESCUE
0339 PM FUNNEL CLOUD 4 N WORLAND 44.06N 107.96W
05/17/2013 WASHAKIE WY TRAINED SPOTTER
ROTATING WALL CLOUD WAS ALSO OBSERVED.
0341 PM HAIL WINCHESTER 43.86N 108.16W
05/17/2013 M1.00 INCH WASHAKIE WY TRAINED SPOTTER
HAIL ACCUMULATED ONE INCH DEEP.
&&
$$
DLIPSON
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LSRRIW
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
420 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0322 PM FUNNEL CLOUD 12 W WORLAND 44.01N 108.20W
05/17/2013 WASHAKIE WY FIRE DEPT/RESCUE
0339 PM FUNNEL CLOUD 4 N WORLAND 44.06N 107.96W
05/17/2013 WASHAKIE WY TRAINED SPOTTER
ROTATING WALL CLOUD WAS ALSO OBSERVED.
0341 PM HAIL WINCHESTER 43.86N 108.16W
05/17/2013 M1.00 INCH WASHAKIE WY TRAINED SPOTTER
HAIL ACCUMULATED ONE INCH DEEP.
&&
$$
DLIPSON
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KFWD [172215]: Preliminary Local Storm Report
NWUS54 KFWD 172215
LSRFWD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
514 PM CDT FRI MAY 17 2013
..TIME.. ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE.. ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0510 PM HAIL 3 N GRAHAM 33.14N 98.60W
05/17/2013 E0.75 INCH YOUNG TX LAW ENFORCEMENT
$$
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LSRFWD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
514 PM CDT FRI MAY 17 2013
..TIME.. ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE.. ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0510 PM HAIL 3 N GRAHAM 33.14N 98.60W
05/17/2013 E0.75 INCH YOUNG TX LAW ENFORCEMENT
$$
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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KFSD [172210]: Preliminary Local Storm Report
NWUS53 KFSD 172210
LSRFSD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
510 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0508 PM HAIL 3 NW WINDOM 43.90N 95.16W
05/17/2013 E1.00 INCH COTTONWOOD MN TRAINED SPOTTER
&&
$$
ADAMS
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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LSRFSD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
510 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0508 PM HAIL 3 NW WINDOM 43.90N 95.16W
05/17/2013 E1.00 INCH COTTONWOOD MN TRAINED SPOTTER
&&
$$
ADAMS
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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KUNR [172207]: Preliminary Local Storm Report
NWUS53 KUNR 172207
LSRUNR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
407 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0345 PM HAIL 7 W SAVAGETON 43.86N 105.93W
05/17/2013 E0.88 INCH CAMPBELL WY PUBLIC
&&
$$
POJORLIE
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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LSRUNR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
407 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0345 PM HAIL 7 W SAVAGETON 43.86N 105.93W
05/17/2013 E0.88 INCH CAMPBELL WY PUBLIC
&&
$$
POJORLIE
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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KCYS [172204]: Preliminary Local Storm Report
NWUS55 KCYS 172204
LSRCYS
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
404 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0354 PM TORNADO 9 N CRAWFORD 42.82N 103.41W
05/17/2013 DAWES NE LAW ENFORCEMENT
CHADRON WARNING POINT RECEIVED 3 SEPARATE REPORTS OF A
TORNADO ON THE GROUND 7N OF CRAWFORD. TORNADO HAS SINCE
LIFTED BACK INTO THE STORM.
&&
$$
GCLAYCOM
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LSRCYS
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
404 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0354 PM TORNADO 9 N CRAWFORD 42.82N 103.41W
05/17/2013 DAWES NE LAW ENFORCEMENT
CHADRON WARNING POINT RECEIVED 3 SEPARATE REPORTS OF A
TORNADO ON THE GROUND 7N OF CRAWFORD. TORNADO HAS SINCE
LIFTED BACK INTO THE STORM.
&&
$$
GCLAYCOM
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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KFSD [172203]: Preliminary Local Storm Report
NWUS53 KFSD 172203
LSRFSD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
503 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0455 PM HAIL 3 NW WINDOM 43.90N 95.16W
05/17/2013 E0.50 INCH COTTONWOOD MN EMERGENCY MNGR
&&
$$
ADAMS
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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LSRFSD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
503 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0455 PM HAIL 3 NW WINDOM 43.90N 95.16W
05/17/2013 E0.50 INCH COTTONWOOD MN EMERGENCY MNGR
&&
$$
ADAMS
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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KFSD [172201]: Preliminary Local Storm Report
NWUS53 KFSD 172201
LSRFSD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
500 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0420 PM HAIL 2 E STORDEN 44.04N 95.28W
05/17/2013 E1.00 INCH COTTONWOOD MN PUBLIC
&&
$$
ADAMS
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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LSRFSD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
500 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0420 PM HAIL 2 E STORDEN 44.04N 95.28W
05/17/2013 E1.00 INCH COTTONWOOD MN PUBLIC
&&
$$
ADAMS
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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KUNR [172159]: Preliminary Local Storm Report
NWUS53 KUNR 172159
LSRUNR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
359 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0340 PM HAIL 4 SW NISLAND 44.63N 103.61W
05/17/2013 E0.70 INCH BUTTE SD PUBLIC
&&
$$
ME
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LSRUNR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
359 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0340 PM HAIL 4 SW NISLAND 44.63N 103.61W
05/17/2013 E0.70 INCH BUTTE SD PUBLIC
&&
$$
ME
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KCYS [172153]: Preliminary Local Storm Report
NWUS55 KCYS 172153
LSRCYS
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
353 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0351 PM FUNNEL CLOUD 7 N CRAWFORD 42.79N 103.41W
05/17/2013 DAWES NE LAW ENFORCEMENT
CHADRON WARNING POINT HAS AT LEAST 15 REPORTS OF FUNNEL
CLOUDS WITH SEVERE THUNDERSTORM NORTH OF CRAWFORD.
&&
$$
GCLAYCOM
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LSRCYS
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
353 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0351 PM FUNNEL CLOUD 7 N CRAWFORD 42.79N 103.41W
05/17/2013 DAWES NE LAW ENFORCEMENT
CHADRON WARNING POINT HAS AT LEAST 15 REPORTS OF FUNNEL
CLOUDS WITH SEVERE THUNDERSTORM NORTH OF CRAWFORD.
&&
$$
GCLAYCOM
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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KFSD [172150]: Preliminary Local Storm Report
NWUS53 KFSD 172150
LSRFSD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
450 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0435 PM HAIL 3 WNW DELFT 44.00N 95.14W
05/17/2013 E0.50 INCH COTTONWOOD MN PUBLIC
&&
$$
ADAMS
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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LSRFSD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
450 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0435 PM HAIL 3 WNW DELFT 44.00N 95.14W
05/17/2013 E0.50 INCH COTTONWOOD MN PUBLIC
&&
$$
ADAMS
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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KFSD [172147]: Preliminary Local Storm Report
NWUS53 KFSD 172147
LSRFSD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
447 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0435 PM HAIL 4 W DELFT 43.99N 95.17W
05/17/2013 E0.75 INCH COTTONWOOD MN PUBLIC
&&
$$
ADAMS
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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LSRFSD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
447 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0435 PM HAIL 4 W DELFT 43.99N 95.17W
05/17/2013 E0.75 INCH COTTONWOOD MN PUBLIC
&&
$$
ADAMS
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KIND [172143]: Preliminary Local Storm Report
NWUS53 KIND 172143
LSRIND
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
543 PM EDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0535 PM HEAVY RAIN ALEXANDRIA 40.26N 85.68W
05/17/2013 M1.70 INCH MADISON IN PUBLIC
STORM TOTAL...ALMOST EXCLUSIVELY FROM STORM THAT JUST
MOVED THROUGH
&&
$$
BHH
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LSRIND
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
543 PM EDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0535 PM HEAVY RAIN ALEXANDRIA 40.26N 85.68W
05/17/2013 M1.70 INCH MADISON IN PUBLIC
STORM TOTAL...ALMOST EXCLUSIVELY FROM STORM THAT JUST
MOVED THROUGH
&&
$$
BHH
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KUNR [172137]: Preliminary Local Storm Report
NWUS53 KUNR 172137
LSRUNR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
336 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0320 PM HAIL 2 NNW SAINT ONGE 44.58N 103.74W
05/17/2013 M1.00 INCH LAWRENCE SD TRAINED SPOTTER
LASTED 10 MINUTES
&&
$$
ME
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LSRUNR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
336 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0320 PM HAIL 2 NNW SAINT ONGE 44.58N 103.74W
05/17/2013 M1.00 INCH LAWRENCE SD TRAINED SPOTTER
LASTED 10 MINUTES
&&
$$
ME
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KJAN [172136]: Preliminary Local Storm Report
NWUS54 KJAN 172136
LSRJAN
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
436 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0415 PM HAIL 1 E COLUMBUS 33.51N 88.39W
05/17/2013 E0.25 INCH LOWNDES MS EMERGENCY MNGR
ON AIRLINE RD.
&&
$$
AWEBER
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LSRJAN
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
436 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0415 PM HAIL 1 E COLUMBUS 33.51N 88.39W
05/17/2013 E0.25 INCH LOWNDES MS EMERGENCY MNGR
ON AIRLINE RD.
&&
$$
AWEBER
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KFSD [172132]: Preliminary Local Storm Report
NWUS53 KFSD 172132
LSRFSD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
432 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0431 PM HEAVY RAIN 2 W JEFFERS 44.06N 95.24W
05/17/2013 M2.20 INCH COTTONWOOD MN PUBLIC
1 HOUR RAINFALL TOTAL.
&&
$$
ADAMS
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LSRFSD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
432 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0431 PM HEAVY RAIN 2 W JEFFERS 44.06N 95.24W
05/17/2013 M2.20 INCH COTTONWOOD MN PUBLIC
1 HOUR RAINFALL TOTAL.
&&
$$
ADAMS
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KFSD [172131]: Preliminary Local Storm Report
NWUS53 KFSD 172131
LSRFSD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
431 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0430 PM HAIL 2 W JEFFERS 44.06N 95.24W
05/17/2013 E0.75 INCH COTTONWOOD MN PUBLIC
&&
$$
ADAMS
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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LSRFSD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
431 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0430 PM HAIL 2 W JEFFERS 44.06N 95.24W
05/17/2013 E0.75 INCH COTTONWOOD MN PUBLIC
&&
$$
ADAMS
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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KUNR [172121]: Preliminary Local Storm Report
NWUS53 KUNR 172121
LSRUNR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
321 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0310 PM HAIL 1 E DOWNTOWN SPEARFISH 44.50N 103.84W
05/17/2013 M1.00 INCH LAWRENCE SD NWS EMPLOYEE
&&
$$
ME
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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LSRUNR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
321 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0310 PM HAIL 1 E DOWNTOWN SPEARFISH 44.50N 103.84W
05/17/2013 M1.00 INCH LAWRENCE SD NWS EMPLOYEE
&&
$$
ME
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KUNR [172116]: Preliminary Local Storm Report
NWUS53 KUNR 172116
LSRUNR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
315 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0305 PM HAIL S DOWNTOWN SPEARFISH 44.50N 103.86W
05/17/2013 M0.70 INCH LAWRENCE SD NWS EMPLOYEE
LASTED 12 MINUTES
&&
$$
ME
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LSRUNR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
315 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0305 PM HAIL S DOWNTOWN SPEARFISH 44.50N 103.86W
05/17/2013 M0.70 INCH LAWRENCE SD NWS EMPLOYEE
LASTED 12 MINUTES
&&
$$
ME
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KLBF [172112]: Preliminary Local Storm Report
NWUS53 KLBF 172112
LSRLBF
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
412 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0411 PM HAIL 15 S HAY SPRINGS 42.47N 102.69W
05/17/2013 E1.75 INCH SHERIDAN NE PUBLIC
MOST HAIL STONES ARE HALF DOLLAR SIZE WITH A FEW STONES
GOLF BALL SIZE. WINDS ARE ESTIMATED AT 50 MPH.
&&
$$
SNIVELY
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LSRLBF
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
412 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0411 PM HAIL 15 S HAY SPRINGS 42.47N 102.69W
05/17/2013 E1.75 INCH SHERIDAN NE PUBLIC
MOST HAIL STONES ARE HALF DOLLAR SIZE WITH A FEW STONES
GOLF BALL SIZE. WINDS ARE ESTIMATED AT 50 MPH.
&&
$$
SNIVELY
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KUNR [172111]: Preliminary Local Storm Report
NWUS53 KUNR 172111
LSRUNR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
311 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0303 PM HAIL 2 ESE DOWNTOWN SPEARFIS 44.49N 103.82W
05/17/2013 E0.88 INCH LAWRENCE SD PUBLIC
I-90 EXIT 14
&&
$$
WFO UNR
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LSRUNR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
311 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0303 PM HAIL 2 ESE DOWNTOWN SPEARFIS 44.49N 103.82W
05/17/2013 E0.88 INCH LAWRENCE SD PUBLIC
I-90 EXIT 14
&&
$$
WFO UNR
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WATCHES: Severe Thunderstorm Watch Number 167
WWUS20 KWNS 172105
SEL7
SPC WW 172105
NEZ000-SDZ000-WYZ000-180400-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 167
NWS STORM PREDICTION CENTER NORMAN OK
305 PM MDT FRI MAY 17 2013
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHWEST NEBRASKA INCLUDING THE NORTHERN PANHANDLE
WESTERN SOUTH DAKOTA
NORTHEAST WYOMING
* EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 305 PM UNTIL
1000 PM MDT.
* PRIMARY THREATS INCLUDE...
SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER POSSIBLE
SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80
STATUTE MILES EAST AND WEST OF A LINE FROM 75 MILES SOUTHEAST OF
CHADRON NEBRASKA TO 75 MILES NORTH NORTHWEST OF RAPID CITY SOUTH
DAKOTA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 166...
DISCUSSION...SEVERAL CLUSTERS OF STORMS HAVE DEVELOPED OVER THE NEB
PANHANDLE AND NEAR THE BLACK HILLS OF SD...WITH VISIBLE IMAGERY
SHOWING THICKENING CU OVER PARTS OF NERN WY. CONVECTION IS EXPECTED
TO INCREASE IN COVERAGE THROUGH THE EVENING WITHIN AN ENVIRONMENT
CHARACTERIZED BY MODERATE INSTABILITY /MLCAPE OF 1000-2000 J PER KG/
AND DEEP LAYER SHEAR OF 40-45 KT. THIS WILL FAVOR POSSIBLE
SUPERCELLS INITIALLY...ALTHOUGH ACTIVITY MAY GROW UPSCALE THIS
EVENING IN RESPONSE TO AN INCREASING LOW LEVEL JET OVER THE PLAINS.
LARGE HAIL AND DAMAGING WIND GUSTS WILL BE THE PRIMARY THREATS.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 24030.
...WEISS
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SEL7
SPC WW 172105
NEZ000-SDZ000-WYZ000-180400-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 167
NWS STORM PREDICTION CENTER NORMAN OK
305 PM MDT FRI MAY 17 2013
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHWEST NEBRASKA INCLUDING THE NORTHERN PANHANDLE
WESTERN SOUTH DAKOTA
NORTHEAST WYOMING
* EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 305 PM UNTIL
1000 PM MDT.
* PRIMARY THREATS INCLUDE...
SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER POSSIBLE
SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80
STATUTE MILES EAST AND WEST OF A LINE FROM 75 MILES SOUTHEAST OF
CHADRON NEBRASKA TO 75 MILES NORTH NORTHWEST OF RAPID CITY SOUTH
DAKOTA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 166...
DISCUSSION...SEVERAL CLUSTERS OF STORMS HAVE DEVELOPED OVER THE NEB
PANHANDLE AND NEAR THE BLACK HILLS OF SD...WITH VISIBLE IMAGERY
SHOWING THICKENING CU OVER PARTS OF NERN WY. CONVECTION IS EXPECTED
TO INCREASE IN COVERAGE THROUGH THE EVENING WITHIN AN ENVIRONMENT
CHARACTERIZED BY MODERATE INSTABILITY /MLCAPE OF 1000-2000 J PER KG/
AND DEEP LAYER SHEAR OF 40-45 KT. THIS WILL FAVOR POSSIBLE
SUPERCELLS INITIALLY...ALTHOUGH ACTIVITY MAY GROW UPSCALE THIS
EVENING IN RESPONSE TO AN INCREASING LOW LEVEL JET OVER THE PLAINS.
LARGE HAIL AND DAMAGING WIND GUSTS WILL BE THE PRIMARY THREATS.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 24030.
...WEISS
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MESO: Mesoscale Discussion 0671
ACUS11 KWNS 172102
SWOMCD
SPC MCD 172102
IAZ000-MNZ000-172200-
MESOSCALE DISCUSSION 0671
NWS STORM PREDICTION CENTER NORMAN OK
0402 PM CDT FRI MAY 17 2013
AREAS AFFECTED...SRN MN...NRN IA
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 172102Z - 172200Z
PROBABILITY OF WATCH ISSUANCE...20 PERCENT
SUMMARY...ISOLATED SEVERE TSTMS ARE POSSIBLE ACROSS SWRN MN INTO NRN
IA ALONG AN OUTFLOW BOUNDARY. LIMITED SPATIAL EXTENT AND DURATION OF
THREAT SHOULD PRECLUDE A WW.
DISCUSSION...TWO VERY SLOW MOVING SUPERCELLS HAVE DEVELOPED ACROSS
SWRN MN ALONG A STATIONARY OUTFLOW BOUNDARY. WHILE FLOW IS WEAK
THROUGHOUT THE TROPOSPHERE...FAVORABLE LOW-LEVEL VEERING IN THE WIND
PROFILE ALONG THE BOUNDARY IS SUPPORTING ORGANIZED STORM
STRUCTURES...WITH MODERATE SBCAPE OF 1000-2000 J/KG IN PLACE ON THE
WARM SIDE OF THE BOUNDARY. THIS THREAT WILL PERSIST FOR ANOTHER 2-3
HOURS AND MAY EXPAND INTO NRN IA BEFORE BOUNDARY LAYER COOLING
COMMENCES AND TSTM INTENSITY BEGINS TO WANE. LARGE HAIL WILL BE THE
PRIMARY THREAT...THOUGH AN ISOLATED TORNADO CANNOT BE RULED ON IN
THE VICINITY OF THE BOUNDARY.
..DEAN/WEISS.. 05/17/2013
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...ARX...MPX...DMX...FSD...
LAT...LON 44219603 44679628 45019606 44769530 44409434 44119378
43489258 43119255 42909288 42749345 42849409 43089474
43689549 44219603
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SWOMCD
SPC MCD 172102
IAZ000-MNZ000-172200-
MESOSCALE DISCUSSION 0671
NWS STORM PREDICTION CENTER NORMAN OK
0402 PM CDT FRI MAY 17 2013
AREAS AFFECTED...SRN MN...NRN IA
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 172102Z - 172200Z
PROBABILITY OF WATCH ISSUANCE...20 PERCENT
SUMMARY...ISOLATED SEVERE TSTMS ARE POSSIBLE ACROSS SWRN MN INTO NRN
IA ALONG AN OUTFLOW BOUNDARY. LIMITED SPATIAL EXTENT AND DURATION OF
THREAT SHOULD PRECLUDE A WW.
DISCUSSION...TWO VERY SLOW MOVING SUPERCELLS HAVE DEVELOPED ACROSS
SWRN MN ALONG A STATIONARY OUTFLOW BOUNDARY. WHILE FLOW IS WEAK
THROUGHOUT THE TROPOSPHERE...FAVORABLE LOW-LEVEL VEERING IN THE WIND
PROFILE ALONG THE BOUNDARY IS SUPPORTING ORGANIZED STORM
STRUCTURES...WITH MODERATE SBCAPE OF 1000-2000 J/KG IN PLACE ON THE
WARM SIDE OF THE BOUNDARY. THIS THREAT WILL PERSIST FOR ANOTHER 2-3
HOURS AND MAY EXPAND INTO NRN IA BEFORE BOUNDARY LAYER COOLING
COMMENCES AND TSTM INTENSITY BEGINS TO WANE. LARGE HAIL WILL BE THE
PRIMARY THREAT...THOUGH AN ISOLATED TORNADO CANNOT BE RULED ON IN
THE VICINITY OF THE BOUNDARY.
..DEAN/WEISS.. 05/17/2013
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...ARX...MPX...DMX...FSD...
LAT...LON 44219603 44679628 45019606 44769530 44409434 44119378
43489258 43119255 42909288 42749345 42849409 43089474
43689549 44219603
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KCYS [172101]: Preliminary Local Storm Report
NWUS55 KCYS 172101
LSRCYS
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
301 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0254 PM HAIL CHADRON 42.83N 103.00W
05/17/2013 E0.25 INCH DAWES NE COCORAHS
&&
$$
HAMMER
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LSRCYS
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
301 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0254 PM HAIL CHADRON 42.83N 103.00W
05/17/2013 E0.25 INCH DAWES NE COCORAHS
&&
$$
HAMMER
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MESO: Mesoscale Discussion 0670
ACUS11 KWNS 172100
SWOMCD
SPC MCD 172100
MSZ000-ARZ000-LAZ000-172200-
MESOSCALE DISCUSSION 0670
NWS STORM PREDICTION CENTER NORMAN OK
0400 PM CDT FRI MAY 17 2013
AREAS AFFECTED...AR...LA...MS
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 172100Z - 172200Z
PROBABILITY OF WATCH ISSUANCE...40 PERCENT
SUMMARY...THERE IS A CHANCE THAT STORMS WILL INCREASE IN COVERAGE
WHILE DRIFTING SEWD ACROSS THE DELTA REGION THROUGH THE EVENING.
TRENDS WILL BE MONITORED AND A WATCH IS POSSIBLE IF AN INCREASE IN
STORM COVERAGE AND/OR INTENSITY OCCURS.
DISCUSSION...RECENT TSTM DEVELOPMENT HAS OCCURRED NEAR A
QUASISTATIONARY FRONT SITUATED ACROSS SRN AR/NERN LA. DEVELOPMENT
NEAR THIS BOUNDARY MAY BE TIED TO THE PASSAGE OF A WEAK SMALL-SCALE
SHORTWAVE TROUGH/MCV ALOFT. COOLER MID-LEVEL TEMPERATURES NEAR THIS
IMPULSE HAVE LIKELY CONTRIBUTED TO AN INCREASE IN MID-LEVEL LAPSE
RATES AND RESULTANT INSTABILITY. HOWEVER...OVERALL THERMODYNAMIC
PROFILE APPEARS CHARACTERIZED BY MODEST TO STRONG INHIBITION BASED
ON LATEST RAP SOUNDING DATA. SHORT-TERM MODEL DATA ADDS TO
UNCERTAINTY WITH REGARD TO STORM EVOLUTION ACROSS THE REGION WITH
THE LATEST NAM SUGGESTING AN INCREASE IN CONVECTION THROUGH THE
EVENING BUT LATEST HRRR INDICATING LITTLE ADDITIONAL DEVELOPMENT. IF
CONVECTION CAN INCREASE AND OVERCOME INHIBITION INDICATED IN
FORECAST SOUNDINGS THERE IS SUFFICIENT LOW LEVEL SPEED AND
DIRECTIONAL SHEAR TO CONTRIBUTE TO MODEST UPDRAFT ROTATION WITH SOME
CHANCE FOR HAIL AND EVEN A BRIEF/WEAK TORNADO. IF ACTIVITY CONTINUES
TO INCREASE IN COVERAGE AND/OR INTENSITY A WATCH MAY BE NEEDED.
..CARBIN/WEISS.. 05/17/2013
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...JAN...LZK...SHV...
LAT...LON 32059232 32549318 32959373 33479373 33819343 33929235
33849186 33599145 32879053 32289021 31649071 31569136
32059232
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SWOMCD
SPC MCD 172100
MSZ000-ARZ000-LAZ000-172200-
MESOSCALE DISCUSSION 0670
NWS STORM PREDICTION CENTER NORMAN OK
0400 PM CDT FRI MAY 17 2013
AREAS AFFECTED...AR...LA...MS
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 172100Z - 172200Z
PROBABILITY OF WATCH ISSUANCE...40 PERCENT
SUMMARY...THERE IS A CHANCE THAT STORMS WILL INCREASE IN COVERAGE
WHILE DRIFTING SEWD ACROSS THE DELTA REGION THROUGH THE EVENING.
TRENDS WILL BE MONITORED AND A WATCH IS POSSIBLE IF AN INCREASE IN
STORM COVERAGE AND/OR INTENSITY OCCURS.
DISCUSSION...RECENT TSTM DEVELOPMENT HAS OCCURRED NEAR A
QUASISTATIONARY FRONT SITUATED ACROSS SRN AR/NERN LA. DEVELOPMENT
NEAR THIS BOUNDARY MAY BE TIED TO THE PASSAGE OF A WEAK SMALL-SCALE
SHORTWAVE TROUGH/MCV ALOFT. COOLER MID-LEVEL TEMPERATURES NEAR THIS
IMPULSE HAVE LIKELY CONTRIBUTED TO AN INCREASE IN MID-LEVEL LAPSE
RATES AND RESULTANT INSTABILITY. HOWEVER...OVERALL THERMODYNAMIC
PROFILE APPEARS CHARACTERIZED BY MODEST TO STRONG INHIBITION BASED
ON LATEST RAP SOUNDING DATA. SHORT-TERM MODEL DATA ADDS TO
UNCERTAINTY WITH REGARD TO STORM EVOLUTION ACROSS THE REGION WITH
THE LATEST NAM SUGGESTING AN INCREASE IN CONVECTION THROUGH THE
EVENING BUT LATEST HRRR INDICATING LITTLE ADDITIONAL DEVELOPMENT. IF
CONVECTION CAN INCREASE AND OVERCOME INHIBITION INDICATED IN
FORECAST SOUNDINGS THERE IS SUFFICIENT LOW LEVEL SPEED AND
DIRECTIONAL SHEAR TO CONTRIBUTE TO MODEST UPDRAFT ROTATION WITH SOME
CHANCE FOR HAIL AND EVEN A BRIEF/WEAK TORNADO. IF ACTIVITY CONTINUES
TO INCREASE IN COVERAGE AND/OR INTENSITY A WATCH MAY BE NEEDED.
..CARBIN/WEISS.. 05/17/2013
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...JAN...LZK...SHV...
LAT...LON 32059232 32549318 32959373 33479373 33819343 33929235
33849186 33599145 32879053 32289021 31649071 31569136
32059232
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KUNR [172039]: Preliminary Local Storm Report
NWUS53 KUNR 172039
LSRUNR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
238 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0230 PM HAIL 2 NNW SAINT ONGE 44.58N 103.75W
05/17/2013 E0.88 INCH LAWRENCE SD TRAINED SPOTTER
&&
$$
ME
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LSRUNR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
238 PM MDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0230 PM HAIL 2 NNW SAINT ONGE 44.58N 103.75W
05/17/2013 E0.88 INCH LAWRENCE SD TRAINED SPOTTER
&&
$$
ME
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MESO: Mesoscale Discussion 0669
ACUS11 KWNS 172024
SWOMCD
SPC MCD 172023
SDZ000-NEZ000-NDZ000-MTZ000-WYZ000-172200-
MESOSCALE DISCUSSION 0669
NWS STORM PREDICTION CENTER NORMAN OK
0323 PM CDT FRI MAY 17 2013
AREAS AFFECTED...WRN SD...NEB PANHANDLE...NWRN NEB...NERN WY...SERN
MT
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 172023Z - 172200Z
PROBABILITY OF WATCH ISSUANCE...40 PERCENT
SUMMARY...TSTMS ARE EXPECTED TO INCREASE IN COVERAGE THROUGH THE
AFTERNOON. MODERATE INSTABILITY AND SHEAR WILL SUPPORT SOME
ORGANIZED STORM STRUCTURES WITH A THREAT OF SEVERE WIND AND HAIL.
AREA IS BEING MONITORED FOR A POSSIBLE WW.
DISCUSSION...WV IMAGERY SHOWS A BROAD REGION OF SWLY FLOW ACROSS THE
CNTRL/NRN HIGH PLAINS AHEAD OF A DEEPENING UPPER TROUGH OVER THE
GREAT BASIN. CONVECTION HAS BEEN INCREASING OVER THE HIGH TERRAIN OF
WYOMING...WITH ANOTHER AREA OF RECENT VIGOROUS TSTM DEVELOPMENT OVER
THE NEB PANHANDLE...ALONG A SFC WARM FRONT AND AHEAD OF A VORT MAX
OVER NERN CO.
20Z OBJECTIVE ANALYSIS INDICATES MODERATE SBCAPE OF 1000-2000 J/KG
ACROSS THE AREA...WITH EFFECTIVE SHEAR OF 35-45 KTS WHERE SWLY FLOW
ALOFT IS OVERSPREADING ELY FLOW AT THE SFC TO THE NORTH OF THE SFC
WARM FRONT. WITH THIS FAVORABLE COMBINATION OF
BUOYANCY/SHEAR...ORGANIZED STORM STRUCTURES WILL BE POSSIBLE.
CELLULAR STORM MODES WILL BE POSSIBLE INITIALLY WITH A THREAT OF
SEVERE HAIL AND WIND AND PERHAPS AN ISOLATED TORNADO. UPSCALE GROWTH
INTO ONE OR MORE CLUSTERS IS POSSIBLE LATER THIS AFTERNOON WHICH
WOULD MAINTAIN A THREAT OF DAMAGING WIND INTO THIS EVENING. WHILE
OVERALL COVERAGE OF THE SEVERE THREAT IS UNCERTAIN...THIS AREA WILL
BE MONITORED FOR A POSSIBLE WATCH.
..DEAN/WEISS.. 05/17/2013
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...ABR...BIS...LBF...UNR...CYS...BYZ...RIW...
LAT...LON 41440274 41940392 42760425 43390486 43620560 43780644
44310694 44910685 45580588 45920446 46120326 46120190
45940121 45570079 44960058 44400045 43960037 43340040
42700061 42010090 41650119 41490143 41450166 41420190
41440274
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SWOMCD
SPC MCD 172023
SDZ000-NEZ000-NDZ000-MTZ000-WYZ000-172200-
MESOSCALE DISCUSSION 0669
NWS STORM PREDICTION CENTER NORMAN OK
0323 PM CDT FRI MAY 17 2013
AREAS AFFECTED...WRN SD...NEB PANHANDLE...NWRN NEB...NERN WY...SERN
MT
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 172023Z - 172200Z
PROBABILITY OF WATCH ISSUANCE...40 PERCENT
SUMMARY...TSTMS ARE EXPECTED TO INCREASE IN COVERAGE THROUGH THE
AFTERNOON. MODERATE INSTABILITY AND SHEAR WILL SUPPORT SOME
ORGANIZED STORM STRUCTURES WITH A THREAT OF SEVERE WIND AND HAIL.
AREA IS BEING MONITORED FOR A POSSIBLE WW.
DISCUSSION...WV IMAGERY SHOWS A BROAD REGION OF SWLY FLOW ACROSS THE
CNTRL/NRN HIGH PLAINS AHEAD OF A DEEPENING UPPER TROUGH OVER THE
GREAT BASIN. CONVECTION HAS BEEN INCREASING OVER THE HIGH TERRAIN OF
WYOMING...WITH ANOTHER AREA OF RECENT VIGOROUS TSTM DEVELOPMENT OVER
THE NEB PANHANDLE...ALONG A SFC WARM FRONT AND AHEAD OF A VORT MAX
OVER NERN CO.
20Z OBJECTIVE ANALYSIS INDICATES MODERATE SBCAPE OF 1000-2000 J/KG
ACROSS THE AREA...WITH EFFECTIVE SHEAR OF 35-45 KTS WHERE SWLY FLOW
ALOFT IS OVERSPREADING ELY FLOW AT THE SFC TO THE NORTH OF THE SFC
WARM FRONT. WITH THIS FAVORABLE COMBINATION OF
BUOYANCY/SHEAR...ORGANIZED STORM STRUCTURES WILL BE POSSIBLE.
CELLULAR STORM MODES WILL BE POSSIBLE INITIALLY WITH A THREAT OF
SEVERE HAIL AND WIND AND PERHAPS AN ISOLATED TORNADO. UPSCALE GROWTH
INTO ONE OR MORE CLUSTERS IS POSSIBLE LATER THIS AFTERNOON WHICH
WOULD MAINTAIN A THREAT OF DAMAGING WIND INTO THIS EVENING. WHILE
OVERALL COVERAGE OF THE SEVERE THREAT IS UNCERTAIN...THIS AREA WILL
BE MONITORED FOR A POSSIBLE WATCH.
..DEAN/WEISS.. 05/17/2013
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...ABR...BIS...LBF...UNR...CYS...BYZ...RIW...
LAT...LON 41440274 41940392 42760425 43390486 43620560 43780644
44310694 44910685 45580588 45920446 46120326 46120190
45940121 45570079 44960058 44400045 43960037 43340040
42700061 42010090 41650119 41490143 41450166 41420190
41440274
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KHUN [172021]: Preliminary Local Storm Report
NWUS54 KHUN 172021
LSRHUN
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
321 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0238 PM TSTM WND DMG 3 SSW ARDMORE 34.96N 86.87W
05/17/2013 LIMESTONE AL LAW ENFORCEMENT
STRUCTURE AND TREE DAMAGE ON HARDIMAN ROAD NEAR ARDMORE.
TORNADO POSSIBLE.
&&
$$
JMS
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LSRHUN
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
321 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0238 PM TSTM WND DMG 3 SSW ARDMORE 34.96N 86.87W
05/17/2013 LIMESTONE AL LAW ENFORCEMENT
STRUCTURE AND TREE DAMAGE ON HARDIMAN ROAD NEAR ARDMORE.
TORNADO POSSIBLE.
&&
$$
JMS
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KHUN [172013]: Preliminary Local Storm Report
NWUS54 KHUN 172013
LSRHUN
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
313 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0250 PM TORNADO 2 SW ARDMORE 34.97N 86.88W
05/17/2013 LIMESTONE AL LAW ENFORCEMENT
SIGHTING OF TORNADO ON BOYDS CHAPEL ROAD NEAR INTERSTATE
65.
&&
$$
JMS
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LSRHUN
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
313 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0250 PM TORNADO 2 SW ARDMORE 34.97N 86.88W
05/17/2013 LIMESTONE AL LAW ENFORCEMENT
SIGHTING OF TORNADO ON BOYDS CHAPEL ROAD NEAR INTERSTATE
65.
&&
$$
JMS
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KHUN [172007]: Preliminary Local Storm Report
NWUS54 KHUN 172007
LSRHUN
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
306 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0204 PM TSTM WND DMG 1 SSE ATHENS 34.78N 86.97W
05/17/2013 LIMESTONE AL TRAINED SPOTTER
POWER LINES REPORTED DOWN. POSSIBLE TORNADO.
0206 PM TSTM WND DMG 1 ESE ATHENS 34.80N 86.95W
05/17/2013 LIMESTONE AL TRAINED SPOTTER
ONE INCH IN DIAMETER BRANCHES SNAPPED OFF OF TREES AT
MCCONNELL CEMETERY. POSSIBLE TORNADO.
&&
$$
JMS
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LSRHUN
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
306 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0204 PM TSTM WND DMG 1 SSE ATHENS 34.78N 86.97W
05/17/2013 LIMESTONE AL TRAINED SPOTTER
POWER LINES REPORTED DOWN. POSSIBLE TORNADO.
0206 PM TSTM WND DMG 1 ESE ATHENS 34.80N 86.95W
05/17/2013 LIMESTONE AL TRAINED SPOTTER
ONE INCH IN DIAMETER BRANCHES SNAPPED OFF OF TREES AT
MCCONNELL CEMETERY. POSSIBLE TORNADO.
&&
$$
JMS
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WATCHES: Severe Thunderstorm Watch Number 166
WWUS20 KWNS 172004
SEL6
SPC WW 172004
TXZ000-180100-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 166
NWS STORM PREDICTION CENTER NORMAN OK
305 PM CDT FRI MAY 17 2013
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
CENTRAL AND NORTH CENTRAL TEXAS
* EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 305 PM UNTIL
800 PM CDT.
* PRIMARY THREATS INCLUDE...
SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 3
INCHES IN DIAMETER POSSIBLE
SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45
STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES SOUTH OF
BROWNWOOD TEXAS TO 50 MILES NORTH NORTHWEST OF MINERAL WELLS
TEXAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
&&
DISCUSSION...CONVECTION IS DEEPENING OVER PARTS OF TX ALONG THE
DRYLINE TO THE EAST OF SJT AND EAST OF ABI. AIR MASS EAST OF THE
DRYLINE IS MOIST AND VERY UNSTABLE WITH CAPE VALUES UP TO 4000 J/KG.
ALTHOUGH WINDS ALOFT ARE RELATIVELY WEAK...VERY FAVORABLE
THERMODYNAMIC ENVIRONMENT/STEEP LAPSE RATES INDICATES THREAT FOR A
FEW STORMS TO PRODUCE VERY LARGE HAIL AND LOCALIZED DAMAGING WIND
GUSTS.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
MOTION VECTOR 24015.
...WEISS
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SEL6
SPC WW 172004
TXZ000-180100-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 166
NWS STORM PREDICTION CENTER NORMAN OK
305 PM CDT FRI MAY 17 2013
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
CENTRAL AND NORTH CENTRAL TEXAS
* EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 305 PM UNTIL
800 PM CDT.
* PRIMARY THREATS INCLUDE...
SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 3
INCHES IN DIAMETER POSSIBLE
SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45
STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES SOUTH OF
BROWNWOOD TEXAS TO 50 MILES NORTH NORTHWEST OF MINERAL WELLS
TEXAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
&&
DISCUSSION...CONVECTION IS DEEPENING OVER PARTS OF TX ALONG THE
DRYLINE TO THE EAST OF SJT AND EAST OF ABI. AIR MASS EAST OF THE
DRYLINE IS MOIST AND VERY UNSTABLE WITH CAPE VALUES UP TO 4000 J/KG.
ALTHOUGH WINDS ALOFT ARE RELATIVELY WEAK...VERY FAVORABLE
THERMODYNAMIC ENVIRONMENT/STEEP LAPSE RATES INDICATES THREAT FOR A
FEW STORMS TO PRODUCE VERY LARGE HAIL AND LOCALIZED DAMAGING WIND
GUSTS.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
MOTION VECTOR 24015.
...WEISS
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KFWD [172000]: Preliminary Local Storm Report
NWUS54 KFWD 172000
LSRFWD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
300 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0720 PM HAIL 2 W ALVORD 33.37N 97.71W
05/15/2013 E2.75 INCH WISE TX PUBLIC
JUST WEST OF ALVORD
$$
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LSRFWD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
300 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0720 PM HAIL 2 W ALVORD 33.37N 97.71W
05/15/2013 E2.75 INCH WISE TX PUBLIC
JUST WEST OF ALVORD
$$
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KHUN [171951]: Preliminary Local Storm Report
NWUS54 KHUN 171951
LSRHUN
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
251 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0246 PM TORNADO 4 SW ARDMORE 34.95N 86.89W
05/17/2013 LIMESTONE AL EMERGENCY MNGR
TORNADO REPORTED AT FORT HAMPTON RD AND CLEM RD. RELAYED
BY 911/EMA.
&&
$$
DJN
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LSRHUN
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
251 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0246 PM TORNADO 4 SW ARDMORE 34.95N 86.89W
05/17/2013 LIMESTONE AL EMERGENCY MNGR
TORNADO REPORTED AT FORT HAMPTON RD AND CLEM RD. RELAYED
BY 911/EMA.
&&
$$
DJN
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DAY1SVR: Day 1 Convective Outlook Corr 1
ACUS01 KWNS 171942
SWODY1
SPC AC 171940
DAY 1 CONVECTIVE OUTLOOK CORR 1
NWS STORM PREDICTION CENTER NORMAN OK
0240 PM CDT FRI MAY 17 2013
VALID 172000Z - 181200Z
...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PARTS OF TX...
...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PARTS OF THE NRN
PLAINS...
...THERE IS A SLGT RISK OF SVR TSTMS OVER PORTIONS OF THE CNTRL GULF
STATES...
CORRECTED FOR SIG HAIL LINE
...TX...
HAVE OPTED TO INTRODUCE 10 PERCENT SIG HAIL THREAT TO PORTIONS OF TX
AND EXPAND THE CATEGORICAL SLGT NORTH AND EAST TOWARD THE WRN PARTS
OF NCNTRL TX.
LATEST HIGH RES MODEL GUIDANCE HAS TRENDED TOWARD SCATTERED TSTM
DEVELOPMENT ALONG THE DRYLINE FROM EAST OF SJT TO NW OF MWL OVER THE
NEXT FEW HOURS. LATEST VIS IMAGERY SUPPORTS THIS EVOLUTION WITH
DEEPENING CU FIELD OVER MCCULLOCH COUNTY AND NEW CU OVER SHACKELFORD
COUNTY NE OF ABI. WITH SFC TEMPERATURES AROUND 103F AT BOTH ABI AND
SJT...AND WITH DEW POINTS NEAR 70 EAST OF THE DRYLINE...IT APPEARS
TSTMS WILL DEVELOP SHORTLY. EXTREME SBCAPE...ON THE ORDER OF 4000
J/KG...AND MODEST DEEP LAYER SHEAR SUGGEST VERY LARGE HAIL MAY
ACCOMPANY THESE STORMS. ADDITIONALLY...STRONG DOWNBURSTS COULD BE
OBSERVED GIVEN THE TEMP/DEW POINT SPREADS.
...ELSEWHERE...
EARLIER THOUGHTS REGARDING CONVECTION NEAR THE BLACK HILLS AND OVER
THE CNTRL GULF STATES REMAIN.
..DARROW.. 05/17/2013
.PREV DISCUSSION... /ISSUED 1145 AM CDT FRI MAY 17 2013/
CORRECTED TORNADO POINTS PRODUCT
...NERN WY INTO WRN/CENTRAL SD...
FULL-LATITUDE UPPER TROUGH HAS MOVED ONSHORE ALONG THE PACIFIC COAST
AND IS FORECAST TO PROGRESS EWD THROUGH TONIGHT REACHING THE
INTERMOUNTAIN REGION BY THE END OF THE PERIOD. SOUTHERLY LOW LEVEL
FLOW OVER THE PLAINS IS EXPECTED TO INCREASE IN RESPONSE TO THE
APPROACHING UPPER TROUGH...WITH NWD MOISTURE TRANSPORT CONTINUING
INTO THE NRN PLAINS. AT THE SURFACE...A LOW CURRENTLY OVER SERN WY
WILL MOVE SLOWLY NEWD TOWARD SWRN SD AS A WARM FRONT EXTENDING EWD
ACROSS SRN SD EDGES NWD. DEW POINTS ARE FORECAST TO REMAIN IN THE
50S EAST OF A DRY LINE OVER THE HIGH PLAINS...WITH LOWER 60S
POSSIBLE INTO PARTS OF SD...AND STRONG DIABATIC HEATING WILL RESULT
IN DEVELOPMENT OF A DEEP WELL-MIXED BOUNDARY WITH CAPE REACHING
1000-1500 J/KG.
ALTHOUGH DYNAMIC FORCING FOR LARGE SCALE ASCENT WILL BE
MINIMAL...HEATING OVER ELEVATED TERRAIN COMBINED WITH OROGRAPHIC
LIFT AND LOW LEVEL CONVERGENCE NEAR THE SURFACE LOW/WARM FRONT IS
EXPECTED TO SUPPORT CONVECTION INITIATION FROM PARTS OF NERN WY INTO
WRN SD DURING THE MID/LATE AFTERNOON HOURS. DEEP LAYER SHEAR WILL
BE ENHANCED AS STRONGER SWLY WINDS ALOFT /40-45 KT AT 500 MB/
OVERSPREAD THE REGION. THIS WILL SUPPORT POTENTIAL FOR HIGH-BASED
SUPERCELLS TO DEVELOP AND SPREAD ENEWD DURING THE LATE AFTERNOON AND
EVENING HOURS. AS THE LOW LEVEL JET STRENGTHENS AFTER
SUNSET...ACTIVITY MAY GROW UPSCALE INTO SEVERAL CLUSTERS/SMALL MCS/S
AND CONTINUE EWD DURING THE OVERNIGHT HOURS. A THREAT FOR PRIMARILY
HAIL MAY ACCOMPANY THESE STORMS.
...MS/AL...
UPPER LOW OVER THE MID-SOUTH IS EXPECTED TO CONTINUE SLOWLY
WEAKENING AS IT MOVES EWD. EXTENSIVE CLOUD COVER IS ASSOCIATED WITH
THE LOW ACROSS MS AND NRN AL WHICH IS LIKELY TO INHIBIT HEATING THIS
AFTERNOON. FARTHER SOUTH...VISIBLE IMAGERY SUGGESTS PRESENCE OF
SEVERAL LOW LEVEL BOUNDARIES EXTENDING FROM WEST-CENTRAL AL WSWWD
ACROSS CENTRAL AND SRN MS WITH SOME BREAKS IN THE CLOUDS NOTED. 12Z
RAOBS AT JAN AND LIX SUGGEST THAT DIABATIC HEATING MAY BE SUFFICIENT
TO WEAKEN THE CAP AND PERMIT STORMS TO DEVELOP LATER THIS AFTERNOON
AND EVENING WITHIN THE SRN SEMICIRCLE OF THE UPPER LOW. ALTHOUGH
THERE ARE SOME DIFFERENCES IN MODEL PRECIPITATION/CONVECTIVE STORM
FORECASTS ACROSS THIS AREA...THERE IS POTENTIAL FOR STORMS TO
DEVELOP AND FAVORABLE CAPE/SHEAR ENVIRONMENT SUGGEST POSSIBILITY OF
A FEW SEVERE STORMS TO OCCUR.
...TX...
THE SURFACE DRYLINE IS FORECAST TO EXTEND ACROSS WEST-CENTRAL TX
LATER THIS AFTERNOON. CONSENSUS OF MODEL GUIDANCE CONTINUES TO
INDICATE ISOLATED CONVECTION INITIATION ALONG THE DRYLINE LATE THIS
AFTERNOON AND EARLY EVENING. FORECAST SOUNDINGS IN THIS AREA SHOW
MLCAPE VALUES OF 2500-3500 J/KG WITH SUFFICIENT CAPPING TO LIMIT THE
NUMBER OF STORMS THAT CAN FORM. NEVERTHELESS...THERE WILL LIKELY BE
A NARROW ZONE ALONG THE DRYLINE WHERE A COMBINATION OF STRONG
HEATING AND DEEP MIXING CAN ELIMINATE THE CAP AND ALLOW A STORM OR
TWO. SUPERCELLS CAPABLE OF LARGE HAIL AND DAMAGING WINDS ARE THE
MAIN THREATS.
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SWODY1
SPC AC 171940
DAY 1 CONVECTIVE OUTLOOK CORR 1
NWS STORM PREDICTION CENTER NORMAN OK
0240 PM CDT FRI MAY 17 2013
VALID 172000Z - 181200Z
...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PARTS OF TX...
...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PARTS OF THE NRN
PLAINS...
...THERE IS A SLGT RISK OF SVR TSTMS OVER PORTIONS OF THE CNTRL GULF
STATES...
CORRECTED FOR SIG HAIL LINE
...TX...
HAVE OPTED TO INTRODUCE 10 PERCENT SIG HAIL THREAT TO PORTIONS OF TX
AND EXPAND THE CATEGORICAL SLGT NORTH AND EAST TOWARD THE WRN PARTS
OF NCNTRL TX.
LATEST HIGH RES MODEL GUIDANCE HAS TRENDED TOWARD SCATTERED TSTM
DEVELOPMENT ALONG THE DRYLINE FROM EAST OF SJT TO NW OF MWL OVER THE
NEXT FEW HOURS. LATEST VIS IMAGERY SUPPORTS THIS EVOLUTION WITH
DEEPENING CU FIELD OVER MCCULLOCH COUNTY AND NEW CU OVER SHACKELFORD
COUNTY NE OF ABI. WITH SFC TEMPERATURES AROUND 103F AT BOTH ABI AND
SJT...AND WITH DEW POINTS NEAR 70 EAST OF THE DRYLINE...IT APPEARS
TSTMS WILL DEVELOP SHORTLY. EXTREME SBCAPE...ON THE ORDER OF 4000
J/KG...AND MODEST DEEP LAYER SHEAR SUGGEST VERY LARGE HAIL MAY
ACCOMPANY THESE STORMS. ADDITIONALLY...STRONG DOWNBURSTS COULD BE
OBSERVED GIVEN THE TEMP/DEW POINT SPREADS.
...ELSEWHERE...
EARLIER THOUGHTS REGARDING CONVECTION NEAR THE BLACK HILLS AND OVER
THE CNTRL GULF STATES REMAIN.
..DARROW.. 05/17/2013
.PREV DISCUSSION... /ISSUED 1145 AM CDT FRI MAY 17 2013/
CORRECTED TORNADO POINTS PRODUCT
...NERN WY INTO WRN/CENTRAL SD...
FULL-LATITUDE UPPER TROUGH HAS MOVED ONSHORE ALONG THE PACIFIC COAST
AND IS FORECAST TO PROGRESS EWD THROUGH TONIGHT REACHING THE
INTERMOUNTAIN REGION BY THE END OF THE PERIOD. SOUTHERLY LOW LEVEL
FLOW OVER THE PLAINS IS EXPECTED TO INCREASE IN RESPONSE TO THE
APPROACHING UPPER TROUGH...WITH NWD MOISTURE TRANSPORT CONTINUING
INTO THE NRN PLAINS. AT THE SURFACE...A LOW CURRENTLY OVER SERN WY
WILL MOVE SLOWLY NEWD TOWARD SWRN SD AS A WARM FRONT EXTENDING EWD
ACROSS SRN SD EDGES NWD. DEW POINTS ARE FORECAST TO REMAIN IN THE
50S EAST OF A DRY LINE OVER THE HIGH PLAINS...WITH LOWER 60S
POSSIBLE INTO PARTS OF SD...AND STRONG DIABATIC HEATING WILL RESULT
IN DEVELOPMENT OF A DEEP WELL-MIXED BOUNDARY WITH CAPE REACHING
1000-1500 J/KG.
ALTHOUGH DYNAMIC FORCING FOR LARGE SCALE ASCENT WILL BE
MINIMAL...HEATING OVER ELEVATED TERRAIN COMBINED WITH OROGRAPHIC
LIFT AND LOW LEVEL CONVERGENCE NEAR THE SURFACE LOW/WARM FRONT IS
EXPECTED TO SUPPORT CONVECTION INITIATION FROM PARTS OF NERN WY INTO
WRN SD DURING THE MID/LATE AFTERNOON HOURS. DEEP LAYER SHEAR WILL
BE ENHANCED AS STRONGER SWLY WINDS ALOFT /40-45 KT AT 500 MB/
OVERSPREAD THE REGION. THIS WILL SUPPORT POTENTIAL FOR HIGH-BASED
SUPERCELLS TO DEVELOP AND SPREAD ENEWD DURING THE LATE AFTERNOON AND
EVENING HOURS. AS THE LOW LEVEL JET STRENGTHENS AFTER
SUNSET...ACTIVITY MAY GROW UPSCALE INTO SEVERAL CLUSTERS/SMALL MCS/S
AND CONTINUE EWD DURING THE OVERNIGHT HOURS. A THREAT FOR PRIMARILY
HAIL MAY ACCOMPANY THESE STORMS.
...MS/AL...
UPPER LOW OVER THE MID-SOUTH IS EXPECTED TO CONTINUE SLOWLY
WEAKENING AS IT MOVES EWD. EXTENSIVE CLOUD COVER IS ASSOCIATED WITH
THE LOW ACROSS MS AND NRN AL WHICH IS LIKELY TO INHIBIT HEATING THIS
AFTERNOON. FARTHER SOUTH...VISIBLE IMAGERY SUGGESTS PRESENCE OF
SEVERAL LOW LEVEL BOUNDARIES EXTENDING FROM WEST-CENTRAL AL WSWWD
ACROSS CENTRAL AND SRN MS WITH SOME BREAKS IN THE CLOUDS NOTED. 12Z
RAOBS AT JAN AND LIX SUGGEST THAT DIABATIC HEATING MAY BE SUFFICIENT
TO WEAKEN THE CAP AND PERMIT STORMS TO DEVELOP LATER THIS AFTERNOON
AND EVENING WITHIN THE SRN SEMICIRCLE OF THE UPPER LOW. ALTHOUGH
THERE ARE SOME DIFFERENCES IN MODEL PRECIPITATION/CONVECTIVE STORM
FORECASTS ACROSS THIS AREA...THERE IS POTENTIAL FOR STORMS TO
DEVELOP AND FAVORABLE CAPE/SHEAR ENVIRONMENT SUGGEST POSSIBILITY OF
A FEW SEVERE STORMS TO OCCUR.
...TX...
THE SURFACE DRYLINE IS FORECAST TO EXTEND ACROSS WEST-CENTRAL TX
LATER THIS AFTERNOON. CONSENSUS OF MODEL GUIDANCE CONTINUES TO
INDICATE ISOLATED CONVECTION INITIATION ALONG THE DRYLINE LATE THIS
AFTERNOON AND EARLY EVENING. FORECAST SOUNDINGS IN THIS AREA SHOW
MLCAPE VALUES OF 2500-3500 J/KG WITH SUFFICIENT CAPPING TO LIMIT THE
NUMBER OF STORMS THAT CAN FORM. NEVERTHELESS...THERE WILL LIKELY BE
A NARROW ZONE ALONG THE DRYLINE WHERE A COMBINATION OF STRONG
HEATING AND DEEP MIXING CAN ELIMINATE THE CAP AND ALLOW A STORM OR
TWO. SUPERCELLS CAPABLE OF LARGE HAIL AND DAMAGING WINDS ARE THE
MAIN THREATS.
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KHUN [171940]: Preliminary Local Storm Report
NWUS54 KHUN 171940
LSRHUN
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
240 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0217 PM FUNNEL CLOUD 3 NE ATHENS 34.83N 86.94W
05/17/2013 LIMESTONE AL LAW ENFORCEMENT
FUNNEL CLOUD REPORTED AT I-65 AND HWY 31
&&
$$
JMS
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LSRHUN
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
240 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0217 PM FUNNEL CLOUD 3 NE ATHENS 34.83N 86.94W
05/17/2013 LIMESTONE AL LAW ENFORCEMENT
FUNNEL CLOUD REPORTED AT I-65 AND HWY 31
&&
$$
JMS
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MESO: Mesoscale Discussion 0668
ACUS11 KWNS 171929
SWOMCD
SPC MCD 171929
TXZ000-172030-
MESOSCALE DISCUSSION 0668
NWS STORM PREDICTION CENTER NORMAN OK
0229 PM CDT FRI MAY 17 2013
AREAS AFFECTED...TX
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 171929Z - 172030Z
PROBABILITY OF WATCH ISSUANCE...60 PERCENT
SUMMARY...AT LEAST ISOLATED STORM DEVELOPMENT EXPECTED ALONG THE
DRYLINE ACROSS CNTRL AND NW TX IN THE NEXT 1-2 HOURS. IF CONVECTION
CAN INITIATE BY OVERCOMING STRONG INHIBITION...IT MAY BE FUELED BY
POCKETS OF EXTREME INSTABILITY TO RESULT IN VERY LARGE HAIL AND
DAMAGING DOWNBURST WINDS.
DISCUSSION...DESPITE GENERALLY WEAK LARGE SCALE FORCING FOR ASCENT
WITH BROAD RIDGING DEVELOPING ACROSS WEST TEXAS THIS
AFTERNOON...LOCALIZED MIXING ALONG A SHARP DRYLINE MAY BE SUFFICIENT
FOR ISOLATED TSTM INITIATION IN THE NEXT FEW HOURS AS SFC TEMPS WARM
INTO THE UPPER 90S AND LOWER 100S F. VSBL IMAGERY ALREADY DEPICTS
GROWING CU/TCU FIELD ACROSS MCCULLOCH COUNTY WITH FEW CU ALSO
DEVELOPING FARTHER NORTH AHEAD OF DRYLINE BULGE IN THE
SHACKELFORD/STEPHENS COUNTY LINE. LATEST HRRR INDICATES POTENTIAL
EXPLOSIVE BUT VERY LOCAL STORM DEVELOPMENT AMIDST HIGH MLCAPE AROUND
3000 J/KG. LACK OF STRONGER FLOW/SHEAR DOES INTRODUCE UNCERTAINTY
REGARDING STORM PERSISTENCE/LONGEVITY. HOWEVER...DEGREE OF
INSTABILITY AND SFC T/TD SPREADS OVER 30F WOULD SUPPORT BOTH LARGE
HAIL AND DOWNBURST WIND HAZARDS NOT LONG AFTER STORM INITIATION. IF
TCU/STORM DEVELOPMENT TRENDS INCREASE IN THE NEXT HOUR OR SO...A
WATCH IS POSSIBLE.
..CARBIN/WEISS.. 05/17/2013
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...FWD...OUN...SJT...
LAT...LON 33599787 33059764 32469778 32289782 31879811 31609835
31339875 31179899 30999945 30939995 31529963 31839951
32149935 32459931 32889924 33299931 33689966 33859977
34019971 34129954 34149918 34049881 33909835 33829816
33599787
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SWOMCD
SPC MCD 171929
TXZ000-172030-
MESOSCALE DISCUSSION 0668
NWS STORM PREDICTION CENTER NORMAN OK
0229 PM CDT FRI MAY 17 2013
AREAS AFFECTED...TX
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 171929Z - 172030Z
PROBABILITY OF WATCH ISSUANCE...60 PERCENT
SUMMARY...AT LEAST ISOLATED STORM DEVELOPMENT EXPECTED ALONG THE
DRYLINE ACROSS CNTRL AND NW TX IN THE NEXT 1-2 HOURS. IF CONVECTION
CAN INITIATE BY OVERCOMING STRONG INHIBITION...IT MAY BE FUELED BY
POCKETS OF EXTREME INSTABILITY TO RESULT IN VERY LARGE HAIL AND
DAMAGING DOWNBURST WINDS.
DISCUSSION...DESPITE GENERALLY WEAK LARGE SCALE FORCING FOR ASCENT
WITH BROAD RIDGING DEVELOPING ACROSS WEST TEXAS THIS
AFTERNOON...LOCALIZED MIXING ALONG A SHARP DRYLINE MAY BE SUFFICIENT
FOR ISOLATED TSTM INITIATION IN THE NEXT FEW HOURS AS SFC TEMPS WARM
INTO THE UPPER 90S AND LOWER 100S F. VSBL IMAGERY ALREADY DEPICTS
GROWING CU/TCU FIELD ACROSS MCCULLOCH COUNTY WITH FEW CU ALSO
DEVELOPING FARTHER NORTH AHEAD OF DRYLINE BULGE IN THE
SHACKELFORD/STEPHENS COUNTY LINE. LATEST HRRR INDICATES POTENTIAL
EXPLOSIVE BUT VERY LOCAL STORM DEVELOPMENT AMIDST HIGH MLCAPE AROUND
3000 J/KG. LACK OF STRONGER FLOW/SHEAR DOES INTRODUCE UNCERTAINTY
REGARDING STORM PERSISTENCE/LONGEVITY. HOWEVER...DEGREE OF
INSTABILITY AND SFC T/TD SPREADS OVER 30F WOULD SUPPORT BOTH LARGE
HAIL AND DOWNBURST WIND HAZARDS NOT LONG AFTER STORM INITIATION. IF
TCU/STORM DEVELOPMENT TRENDS INCREASE IN THE NEXT HOUR OR SO...A
WATCH IS POSSIBLE.
..CARBIN/WEISS.. 05/17/2013
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...FWD...OUN...SJT...
LAT...LON 33599787 33059764 32469778 32289782 31879811 31609835
31339875 31179899 30999945 30939995 31529963 31839951
32149935 32459931 32889924 33299931 33689966 33859977
34019971 34129954 34149918 34049881 33909835 33829816
33599787
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DAY1SVR: Day 1 Convective Outlook
ACUS01 KWNS 171929
SWODY1
SPC AC 171927
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0227 PM CDT FRI MAY 17 2013
VALID 172000Z - 181200Z
...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PARTS OF TX...
...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PARTS OF THE NRN
PLAINS...
...THERE IS A SLGT RISK OF SVR TSTMS OVER PORTIONS OF THE CNTRL GULF
STATES...
...TX...
HAVE OPTED TO INTRODUCE 10 PERCENT SIG HAIL THREAT TO PORTIONS OF TX
AND EXPAND THE CATEGORICAL SLGT NORTH AND EAST TOWARD THE WRN PARTS
OF NCNTRL TX.
LATEST HIGH RES MODEL GUIDANCE HAS TRENDED TOWARD SCATTERED TSTM
DEVELOPMENT ALONG THE DRYLINE FROM EAST OF SJT TO NW OF MWL OVER THE
NEXT FEW HOURS. LATEST VIS IMAGERY SUPPORTS THIS EVOLUTION WITH
DEEPENING CU FIELD OVER MCCULLOCH COUNTY AND NEW CU OVER SHACKELFORD
COUNTY NE OF ABI. WITH SFC TEMPERATURES AROUND 103F AT BOTH ABI AND
SJT...AND WITH DEW POINTS NEAR 70 EAST OF THE DRYLINE...IT APPEARS
TSTMS WILL DEVELOP SHORTLY. EXTREME SBCAPE...ON THE ORDER OF 4000
J/KG...AND MODEST DEEP LAYER SHEAR SUGGEST VERY LARGE HAIL MAY
ACCOMPANY THESE STORMS. ADDITIONALLY...STRONG DOWNBURSTS COULD BE
OBSERVED GIVEN THE TEMP/DEW POINT SPREADS.
...ELSEWHERE...
EARLIER THOUGHTS REGARDING CONVECTION NEAR THE BLACK HILLS AND OVER
THE CNTRL GULF STATES REMAIN.
..DARROW.. 05/17/2013
.PREV DISCUSSION... /ISSUED 1145 AM CDT FRI MAY 17 2013/
CORRECTED TORNADO POINTS PRODUCT
...NERN WY INTO WRN/CENTRAL SD...
FULL-LATITUDE UPPER TROUGH HAS MOVED ONSHORE ALONG THE PACIFIC COAST
AND IS FORECAST TO PROGRESS EWD THROUGH TONIGHT REACHING THE
INTERMOUNTAIN REGION BY THE END OF THE PERIOD. SOUTHERLY LOW LEVEL
FLOW OVER THE PLAINS IS EXPECTED TO INCREASE IN RESPONSE TO THE
APPROACHING UPPER TROUGH...WITH NWD MOISTURE TRANSPORT CONTINUING
INTO THE NRN PLAINS. AT THE SURFACE...A LOW CURRENTLY OVER SERN WY
WILL MOVE SLOWLY NEWD TOWARD SWRN SD AS A WARM FRONT EXTENDING EWD
ACROSS SRN SD EDGES NWD. DEW POINTS ARE FORECAST TO REMAIN IN THE
50S EAST OF A DRY LINE OVER THE HIGH PLAINS...WITH LOWER 60S
POSSIBLE INTO PARTS OF SD...AND STRONG DIABATIC HEATING WILL RESULT
IN DEVELOPMENT OF A DEEP WELL-MIXED BOUNDARY WITH CAPE REACHING
1000-1500 J/KG.
ALTHOUGH DYNAMIC FORCING FOR LARGE SCALE ASCENT WILL BE
MINIMAL...HEATING OVER ELEVATED TERRAIN COMBINED WITH OROGRAPHIC
LIFT AND LOW LEVEL CONVERGENCE NEAR THE SURFACE LOW/WARM FRONT IS
EXPECTED TO SUPPORT CONVECTION INITIATION FROM PARTS OF NERN WY INTO
WRN SD DURING THE MID/LATE AFTERNOON HOURS. DEEP LAYER SHEAR WILL
BE ENHANCED AS STRONGER SWLY WINDS ALOFT /40-45 KT AT 500 MB/
OVERSPREAD THE REGION. THIS WILL SUPPORT POTENTIAL FOR HIGH-BASED
SUPERCELLS TO DEVELOP AND SPREAD ENEWD DURING THE LATE AFTERNOON AND
EVENING HOURS. AS THE LOW LEVEL JET STRENGTHENS AFTER
SUNSET...ACTIVITY MAY GROW UPSCALE INTO SEVERAL CLUSTERS/SMALL MCS/S
AND CONTINUE EWD DURING THE OVERNIGHT HOURS. A THREAT FOR PRIMARILY
HAIL MAY ACCOMPANY THESE STORMS.
...MS/AL...
UPPER LOW OVER THE MID-SOUTH IS EXPECTED TO CONTINUE SLOWLY
WEAKENING AS IT MOVES EWD. EXTENSIVE CLOUD COVER IS ASSOCIATED WITH
THE LOW ACROSS MS AND NRN AL WHICH IS LIKELY TO INHIBIT HEATING THIS
AFTERNOON. FARTHER SOUTH...VISIBLE IMAGERY SUGGESTS PRESENCE OF
SEVERAL LOW LEVEL BOUNDARIES EXTENDING FROM WEST-CENTRAL AL WSWWD
ACROSS CENTRAL AND SRN MS WITH SOME BREAKS IN THE CLOUDS NOTED. 12Z
RAOBS AT JAN AND LIX SUGGEST THAT DIABATIC HEATING MAY BE SUFFICIENT
TO WEAKEN THE CAP AND PERMIT STORMS TO DEVELOP LATER THIS AFTERNOON
AND EVENING WITHIN THE SRN SEMICIRCLE OF THE UPPER LOW. ALTHOUGH
THERE ARE SOME DIFFERENCES IN MODEL PRECIPITATION/CONVECTIVE STORM
FORECASTS ACROSS THIS AREA...THERE IS POTENTIAL FOR STORMS TO
DEVELOP AND FAVORABLE CAPE/SHEAR ENVIRONMENT SUGGEST POSSIBILITY OF
A FEW SEVERE STORMS TO OCCUR.
...TX...
THE SURFACE DRYLINE IS FORECAST TO EXTEND ACROSS WEST-CENTRAL TX
LATER THIS AFTERNOON. CONSENSUS OF MODEL GUIDANCE CONTINUES TO
INDICATE ISOLATED CONVECTION INITIATION ALONG THE DRYLINE LATE THIS
AFTERNOON AND EARLY EVENING. FORECAST SOUNDINGS IN THIS AREA SHOW
MLCAPE VALUES OF 2500-3500 J/KG WITH SUFFICIENT CAPPING TO LIMIT THE
NUMBER OF STORMS THAT CAN FORM. NEVERTHELESS...THERE WILL LIKELY BE
A NARROW ZONE ALONG THE DRYLINE WHERE A COMBINATION OF STRONG
HEATING AND DEEP MIXING CAN ELIMINATE THE CAP AND ALLOW A STORM OR
TWO. SUPERCELLS CAPABLE OF LARGE HAIL AND DAMAGING WINDS ARE THE
MAIN THREATS.
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SWODY1
SPC AC 171927
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0227 PM CDT FRI MAY 17 2013
VALID 172000Z - 181200Z
...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PARTS OF TX...
...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PARTS OF THE NRN
PLAINS...
...THERE IS A SLGT RISK OF SVR TSTMS OVER PORTIONS OF THE CNTRL GULF
STATES...
...TX...
HAVE OPTED TO INTRODUCE 10 PERCENT SIG HAIL THREAT TO PORTIONS OF TX
AND EXPAND THE CATEGORICAL SLGT NORTH AND EAST TOWARD THE WRN PARTS
OF NCNTRL TX.
LATEST HIGH RES MODEL GUIDANCE HAS TRENDED TOWARD SCATTERED TSTM
DEVELOPMENT ALONG THE DRYLINE FROM EAST OF SJT TO NW OF MWL OVER THE
NEXT FEW HOURS. LATEST VIS IMAGERY SUPPORTS THIS EVOLUTION WITH
DEEPENING CU FIELD OVER MCCULLOCH COUNTY AND NEW CU OVER SHACKELFORD
COUNTY NE OF ABI. WITH SFC TEMPERATURES AROUND 103F AT BOTH ABI AND
SJT...AND WITH DEW POINTS NEAR 70 EAST OF THE DRYLINE...IT APPEARS
TSTMS WILL DEVELOP SHORTLY. EXTREME SBCAPE...ON THE ORDER OF 4000
J/KG...AND MODEST DEEP LAYER SHEAR SUGGEST VERY LARGE HAIL MAY
ACCOMPANY THESE STORMS. ADDITIONALLY...STRONG DOWNBURSTS COULD BE
OBSERVED GIVEN THE TEMP/DEW POINT SPREADS.
...ELSEWHERE...
EARLIER THOUGHTS REGARDING CONVECTION NEAR THE BLACK HILLS AND OVER
THE CNTRL GULF STATES REMAIN.
..DARROW.. 05/17/2013
.PREV DISCUSSION... /ISSUED 1145 AM CDT FRI MAY 17 2013/
CORRECTED TORNADO POINTS PRODUCT
...NERN WY INTO WRN/CENTRAL SD...
FULL-LATITUDE UPPER TROUGH HAS MOVED ONSHORE ALONG THE PACIFIC COAST
AND IS FORECAST TO PROGRESS EWD THROUGH TONIGHT REACHING THE
INTERMOUNTAIN REGION BY THE END OF THE PERIOD. SOUTHERLY LOW LEVEL
FLOW OVER THE PLAINS IS EXPECTED TO INCREASE IN RESPONSE TO THE
APPROACHING UPPER TROUGH...WITH NWD MOISTURE TRANSPORT CONTINUING
INTO THE NRN PLAINS. AT THE SURFACE...A LOW CURRENTLY OVER SERN WY
WILL MOVE SLOWLY NEWD TOWARD SWRN SD AS A WARM FRONT EXTENDING EWD
ACROSS SRN SD EDGES NWD. DEW POINTS ARE FORECAST TO REMAIN IN THE
50S EAST OF A DRY LINE OVER THE HIGH PLAINS...WITH LOWER 60S
POSSIBLE INTO PARTS OF SD...AND STRONG DIABATIC HEATING WILL RESULT
IN DEVELOPMENT OF A DEEP WELL-MIXED BOUNDARY WITH CAPE REACHING
1000-1500 J/KG.
ALTHOUGH DYNAMIC FORCING FOR LARGE SCALE ASCENT WILL BE
MINIMAL...HEATING OVER ELEVATED TERRAIN COMBINED WITH OROGRAPHIC
LIFT AND LOW LEVEL CONVERGENCE NEAR THE SURFACE LOW/WARM FRONT IS
EXPECTED TO SUPPORT CONVECTION INITIATION FROM PARTS OF NERN WY INTO
WRN SD DURING THE MID/LATE AFTERNOON HOURS. DEEP LAYER SHEAR WILL
BE ENHANCED AS STRONGER SWLY WINDS ALOFT /40-45 KT AT 500 MB/
OVERSPREAD THE REGION. THIS WILL SUPPORT POTENTIAL FOR HIGH-BASED
SUPERCELLS TO DEVELOP AND SPREAD ENEWD DURING THE LATE AFTERNOON AND
EVENING HOURS. AS THE LOW LEVEL JET STRENGTHENS AFTER
SUNSET...ACTIVITY MAY GROW UPSCALE INTO SEVERAL CLUSTERS/SMALL MCS/S
AND CONTINUE EWD DURING THE OVERNIGHT HOURS. A THREAT FOR PRIMARILY
HAIL MAY ACCOMPANY THESE STORMS.
...MS/AL...
UPPER LOW OVER THE MID-SOUTH IS EXPECTED TO CONTINUE SLOWLY
WEAKENING AS IT MOVES EWD. EXTENSIVE CLOUD COVER IS ASSOCIATED WITH
THE LOW ACROSS MS AND NRN AL WHICH IS LIKELY TO INHIBIT HEATING THIS
AFTERNOON. FARTHER SOUTH...VISIBLE IMAGERY SUGGESTS PRESENCE OF
SEVERAL LOW LEVEL BOUNDARIES EXTENDING FROM WEST-CENTRAL AL WSWWD
ACROSS CENTRAL AND SRN MS WITH SOME BREAKS IN THE CLOUDS NOTED. 12Z
RAOBS AT JAN AND LIX SUGGEST THAT DIABATIC HEATING MAY BE SUFFICIENT
TO WEAKEN THE CAP AND PERMIT STORMS TO DEVELOP LATER THIS AFTERNOON
AND EVENING WITHIN THE SRN SEMICIRCLE OF THE UPPER LOW. ALTHOUGH
THERE ARE SOME DIFFERENCES IN MODEL PRECIPITATION/CONVECTIVE STORM
FORECASTS ACROSS THIS AREA...THERE IS POTENTIAL FOR STORMS TO
DEVELOP AND FAVORABLE CAPE/SHEAR ENVIRONMENT SUGGEST POSSIBILITY OF
A FEW SEVERE STORMS TO OCCUR.
...TX...
THE SURFACE DRYLINE IS FORECAST TO EXTEND ACROSS WEST-CENTRAL TX
LATER THIS AFTERNOON. CONSENSUS OF MODEL GUIDANCE CONTINUES TO
INDICATE ISOLATED CONVECTION INITIATION ALONG THE DRYLINE LATE THIS
AFTERNOON AND EARLY EVENING. FORECAST SOUNDINGS IN THIS AREA SHOW
MLCAPE VALUES OF 2500-3500 J/KG WITH SUFFICIENT CAPPING TO LIMIT THE
NUMBER OF STORMS THAT CAN FORM. NEVERTHELESS...THERE WILL LIKELY BE
A NARROW ZONE ALONG THE DRYLINE WHERE A COMBINATION OF STRONG
HEATING AND DEEP MIXING CAN ELIMINATE THE CAP AND ALLOW A STORM OR
TWO. SUPERCELLS CAPABLE OF LARGE HAIL AND DAMAGING WINDS ARE THE
MAIN THREATS.
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KHUN [171925]: Preliminary Local Storm Report
NWUS54 KHUN 171925
LSRHUN
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
225 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0205 PM TSTM WND DMG 4 S ATHENS 34.75N 86.98W
05/17/2013 LIMESTONE AL EMERGENCY MNGR
TREES AND POWERLINES DOWN ALONG MOYERS ROAD. ADDITIONAL
DAMAGE JUST NORTHEAST AROUND STEELCASE INC. POSSIBLE
TORNADO.
&&
$$
DJN
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LSRHUN
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
225 PM CDT FRI MAY 17 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0205 PM TSTM WND DMG 4 S ATHENS 34.75N 86.98W
05/17/2013 LIMESTONE AL EMERGENCY MNGR
TREES AND POWERLINES DOWN ALONG MOYERS ROAD. ADDITIONAL
DAMAGE JUST NORTHEAST AROUND STEELCASE INC. POSSIBLE
TORNADO.
&&
$$
DJN
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