Tuesday, April 2, 2013

KEWX [030353]: Preliminary Local Storm Report

NWUS54 KEWX 030353
LSREWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1053 PM CDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1046 PM HAIL CARRIZO SPRINGS 28.53N 99.86W
04/02/2013 M0.70 INCH DIMMIT TX PUBLIC

LOTS OF HAIL NOTHING LARGER THAT A DIME


&&

EVENT NUMBER EWX1300247

$$

JPB

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WATCHES: Severe Thunderstorm Watch Number 81

WWUS20 KWNS 030348
SEL1
SPC WW 030348
TXZ000-031000-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 81
NWS STORM PREDICTION CENTER NORMAN OK
1045 PM CDT TUE APR 2 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

SOUTHERN TEXAS

EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 1045 PM
UNTIL 500 AM CDT.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50
STATUTE MILES EAST AND WEST OF A LINE FROM 65 MILES NORTHEAST OF
COTULLA TEXAS TO 40 MILES EAST SOUTHEAST OF LAREDO TEXAS. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU1).

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 79...WW 80...

DISCUSSION...AN EVOLVING QLCS --ANCHORED BY A SUPERCELL ON IT/S SRN
END-- OVER THE EDWARDS PLATEAU IS EXPECTED TO PROGRESS ESEWD THROUGH
PORTIONS OF THE HILL AND BRUSH COUNTRY OF TX INTO EARLY
WEDNESDAY...AIDED BY FORCING FOR ASCENT ATTENDANT TO A SHORT-WAVE
TROUGH MOVING THROUGH WRN TX. AN OUTFLOW BOUNDARY WHICH HAS SETTLED
SWD TO ALONG A FRIO TO KARNES COUNTY LINE...WILL LIKELY DELIMIT THE
NRN BOUND OF MORE ORGANIZED STORM POTENTIAL. THE TO SOUTH...THE
COMBINATION OF A MOIST...MODERATELY UNSTABLE AIR MASS AND 40-45 KT
OF DEEP-LAYER SHEAR WILL PROMOTE ORGANIZED STORM MODES WITH A RISK
FOR DAMAGING WINDS AND LARGE HAIL.

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 28030.


...MEAD

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KEWX [030346]: Preliminary Local Storm Report

NWUS54 KEWX 030346
LSREWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1046 PM CDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1045 PM HAIL CRYSTAL CITY 28.69N 99.83W
04/02/2013 M1.00 INCH ZAVALA TX LAW ENFORCEMENT


&&

EVENT NUMBER EWX1300246

$$

JPB

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KEWX [030337]: Preliminary Local Storm Report

NWUS54 KEWX 030337
LSREWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1037 PM CDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1034 PM HAIL FREDERICKSBURG 30.27N 98.87W
04/02/2013 E0.25 INCH GILLESPIE TX TRAINED SPOTTER

VERY HEAVY RAIN WITH PEA HAIL


&&

EVENT NUMBER EWX1300245

$$

JPB

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KPUB [030332]: Preliminary Local Storm Report

NWUS55 KPUB 030332
LSRPUB

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PUEBLO CO
932 PM MDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0931 PM SNOW 4 WNW BUENA VISTA 38.86N 106.20W
04/02/2013 M7.5 INCH CHAFFEE CO TRAINED SPOTTER

FELL SINCE 445 PM. STILL SNOWING LIGHTLY.


&&

$$

KT

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MESO: Mesoscale Discussion 0378

ACUS11 KWNS 030327
SWOMCD
SPC MCD 030326
TXZ000-030430-

MESOSCALE DISCUSSION 0378
NWS STORM PREDICTION CENTER NORMAN OK
1026 PM CDT TUE APR 02 2013

AREAS AFFECTED...PORTIONS OF CNTRL/SRN TX

CONCERNING...SEVERE THUNDERSTORM WATCH 79...

VALID 030326Z - 030430Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 79
CONTINUES.

SUMMARY...THE SVR THREAT CONTINUES ACROSS PARTS OF WW 79...AND
CONVECTIVE TRENDS ARE BEING MONITORED FOR THE POSSIBLE ISSUANCE OF A
NEW WW.

DISCUSSION...FORWARD PROPAGATION OF A SQUALL LINE FROM CNTRL TX TO
THE RIO GRANDE RIVER 60 WSW COT WILL LIKELY BE ASSOCIATED WITH A SVR
THREAT DURING THE OVERNIGHT HOURS ACROSS PORTIONS OF CNTRL TX INTO
THE BRUSH COUNTRY OF SRN TX. THESE AREAS ARE BEING MONITORED FOR THE
POSSIBLE ISSUANCE OF A NEW WW. THE AIR MASS IS RELATIVELY MORE
UNSTABLE S OF A STALLED OUTFLOW BOUNDARY THAT INTERSECTS THE SQUALL
LINE 20 W OF HDO AND EXTENDS EWD TO THE MIDDLE TX COASTAL PLAIN. THE
GREATEST SVR THREAT WILL EXIST ALONG AND S OF THIS
BOUNDARY...ESPECIALLY OVER THE SRN EXTENT OF THE LINE WHERE AN
EMBEDDED SUPERCELL STRUCTURE IS EVOLVING. N OF THE
BOUNDARY...SOMEWHAT LESS INSTABILITY EXISTS IN THE BOUNDARY
LAYER...THOUGH AT LEAST MODEST DEEP SHEAR PER VWP DATA SHOULD
INTERACT WITH THE COLD POOL CIRCULATION TO MAINTAIN A SVR THREAT
INTO THE OVERNIGHT HOURS.

..COHEN.. 04/03/2013

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...CRP...EWX...

LAT...LON 29579939 30379874 30219789 28239786 27499871 27509958
28110010 28869998 29579939

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MESO: Mesoscale Discussion 0377

ACUS11 KWNS 030317
SWOMCD
SPC MCD 030317 COR
TXZ000-030400-

MESOSCALE DISCUSSION 0377
NWS STORM PREDICTION CENTER NORMAN OK
1017 PM CDT TUE APR 02 2013

AREAS AFFECTED...PORTIONS OF SERN TX

CONCERNING...SEVERE THUNDERSTORM WATCH 80...

VALID 030317Z - 030400Z

CORRECTED FOR WW NUMBER.

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 80
CONTINUES.

SUMMARY...THE SVR THREAT CONTINUES ACROSS PORTIONS OF WW 80...AND
MAY CONTINUE PAST THE SCHEDULED 04Z EXPIRATION TIME.

DISCUSSION...ONGOING CONVECTIVE CLUSTERS ELONGATED N/S FROM WRN
HARRIS COUNTY TO NRN BRAZORIA COUNTY WILL CONTINUE TO ADVANCE EWD
OVER PARTS OF THE MIDDLE/UPPER TX COASTAL PLAIN...IMPACTING AREAS
AROUND THE HOUSTON METRO. STRONG/MARGINALLY SVR WIND GUSTS/HAIL MAY
ACCOMPANY THIS ACTIVITY AS STRONG DEEP SHEAR -- OVER 50 KT -- IS
INDICATED BY HGX VWP DATA. HOWEVER...BOUNDARY LAYER INSTABILITY IS
DECREASING IN RESPONSE TO NOCTURNAL COOLING AND LEADING WAA
PRECIPITATION...WHICH COULD MITIGATE THE SVR THREAT TO SOME EXTENT.
REGARDLESS...WITH A STRENGTHENING COLD POOL CIRCULATION...THE SVR
THREAT MAY BE MAINTAINED PAST THE 04Z EXPIRATION TIME...POTENTIALLY
WARRANTING LOCAL TEMPORAL EXTENSION UNTIL 05Z OR 06Z.

..COHEN.. 04/03/2013

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...HGX...

LAT...LON 29089566 29549589 29989580 30179551 30149510 29929465
29599450 29129498 29089566

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KHGX [030315]: Preliminary Local Storm Report

NWUS54 KHGX 030315
LSRHGX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1015 PM CDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0958 PM HAIL 4 SSE BOLING-IAGO 29.21N 95.92W
04/02/2013 E1.75 INCH WHARTON TX TRAINED SPOTTER

GOLF BALL SIZE HAIL REPORTED AT FM1301 AND PLEDGER


&&

EVENT NUMBER HGX1300042

$$

39

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MESO: Mesoscale Discussion 0377

ACUS11 KWNS 030306
SWOMCD
SPC MCD 030306
TXZ000-030400-

MESOSCALE DISCUSSION 0377
NWS STORM PREDICTION CENTER NORMAN OK
1006 PM CDT TUE APR 02 2013

AREAS AFFECTED...PORTIONS OF SERN TX

CONCERNING...SEVERE THUNDERSTORM WATCH 79...

VALID 030306Z - 030400Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 79
CONTINUES.

SUMMARY...THE SVR THREAT CONTINUES ACROSS PORTIONS OF WW 79...AND
MAY CONTINUE PAST THE SCHEDULED 04Z EXPIRATION TIME.

DISCUSSION...ONGOING CONVECTIVE CLUSTERS ELONGATED N/S FROM WRN
HARRIS COUNTY TO NRN BRAZORIA COUNTY WILL CONTINUE TO ADVANCE EWD
OVER PARTS OF THE MIDDLE/UPPER TX COASTAL PLAIN...IMPACTING AREAS
AROUND THE HOUSTON METRO. STRONG/MARGINALLY SVR WIND GUSTS/HAIL MAY
ACCOMPANY THIS ACTIVITY AS STRONG DEEP SHEAR -- OVER 50 KT -- IS
INDICATED BY HGX VWP DATA. HOWEVER...BOUNDARY LAYER INSTABILITY IS
DECREASING IN RESPONSE TO NOCTURNAL COOLING AND LEADING WAA
PRECIPITATION...WHICH COULD MITIGATE THE SVR THREAT TO SOME EXTENT.
REGARDLESS...WITH A STRENGTHENING COLD POOL CIRCULATION...THE SVR
THREAT MAY BE MAINTAINED PAST THE 04Z EXPIRATION TIME...POTENTIALLY
WARRANTING LOCAL TEMPORAL EXTENSION UNTIL 05Z OR 06Z.

..COHEN.. 04/03/2013

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...HGX...

LAT...LON 29089566 29549589 29989580 30179551 30149510 29929465
29599450 29129498 29089566

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KHGX [030248]: Preliminary Local Storm Report

NWUS54 KHGX 030248
LSRHGX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
947 PM CDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0945 PM HAIL NEEDVILLE 29.40N 95.84W
04/02/2013 E1.75 INCH FORT BEND TX LAW ENFORCEMENT


&&

EVENT NUMBER HGX1300041

$$

40

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KEWX [030234]: Preliminary Local Storm Report

NWUS54 KEWX 030234
LSREWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
934 PM CDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0500 PM FLASH FLOOD SMITHVILLE 30.01N 97.16W
04/02/2013 BASTROP TX LAW ENFORCEMENT

NUMEROUS ROAD CLOSURES IN AND AROUND SMITHVILLE


&&

EVENT NUMBER EWX1300244

$$

JPB

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KEWX [030232]: Preliminary Local Storm Report

NWUS54 KEWX 030232
LSREWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
932 PM CDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0740 PM HEAVY RAIN 6 SW BASTROP 30.04N 97.36W
04/02/2013 M2.54 INCH BASTROP TX COCORAHS

4 HOUR TOTAL


&&

EVENT NUMBER EWX1300243

$$

JPB

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KBOU [030225]: Preliminary Local Storm Report...summary

NWUS55 KBOU 030225
LSRBOU

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
825 PM MDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0730 PM SNOW 5 NE WARD 40.12N 105.44W
04/02/2013 M7.0 INCH BOULDER CO TRAINED SPOTTER

MOSTLY BETWEEN NOON AND 7 PM.

0628 PM SNOW ESTES PARK 40.37N 105.52W
04/02/2013 M3.1 INCH LARIMER CO TRAINED SPOTTER

0601 PM SNOW 4 ENE NEDERLAND 39.99N 105.45W
04/02/2013 M3.0 INCH BOULDER CO TRAINED SPOTTER

SNOWFALL SINCE NOON.

0530 PM SNOW 1 SE BRECKENRIDGE 39.50N 106.03W
04/02/2013 M4.0 INCH SUMMIT CO TRAINED SPOTTER

SNOWFALL SINCE NOON.


&&

$$

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KEWX [030218]: Preliminary Local Storm Report

NWUS54 KEWX 030218
LSREWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
918 PM CDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0910 PM HAIL QUEMADO 28.95N 100.63W
04/02/2013 M0.70 INCH MAVERICK TX PUBLIC


&&

EVENT NUMBER EWX1300242

$$

JPB

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KHGX [030217]: Preliminary Local Storm Report

NWUS54 KHGX 030217
LSRHGX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
917 PM CDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0755 PM HAIL 15 WSW EAGLE LAKE 29.50N 96.56W
04/02/2013 E1.75 INCH COLORADO TX LAW ENFORCEMENT


&&

EVENT NUMBER HGX1300040

$$

40

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KEWX [030216]: Preliminary Local Storm Report

NWUS54 KEWX 030216
LSREWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
916 PM CDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0240 PM HAIL 1 NE KINGSLAND 30.67N 98.45W
04/02/2013 M1.25 INCH LLANO TX PUBLIC


&&

EVENT NUMBER EWX1300241

$$

JPB

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KHGX [030213]: Preliminary Local Storm Report

NWUS54 KHGX 030213
LSRHGX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
913 PM CDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0911 PM HAIL 3 E WHARTON 29.32N 96.05W
04/02/2013 E1.50 INCH WHARTON TX LAW ENFORCEMENT


&&

EVENT NUMBER HGX1300039

$$

40

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KHGX [030208]: Preliminary Local Storm Report

NWUS54 KHGX 030208
LSRHGX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
908 PM CDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0905 PM HAIL WHARTON 29.32N 96.10W
04/02/2013 E1.50 INCH WHARTON TX LAW ENFORCEMENT


&&

EVENT NUMBER HGX1300038

$$

40

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KHGX [030204]: Preliminary Local Storm Report

NWUS54 KHGX 030204
LSRHGX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
904 PM CDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0855 PM HAIL WHARTON 29.32N 96.10W
04/02/2013 E1.00 INCH WHARTON TX EMERGENCY MNGR


&&

EVENT NUMBER HGX1300037

$$

40

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KEWX [022028]: Preliminary Local Storm Report

NWUS54 KEWX 022028
LSREWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
328 PM CDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0320 PM HAIL 2 E MARBLE FALLS 30.58N 98.24W
04/02/2013 M1.75 INCH BURNET TX PUBLIC

GOLFBALL SIZE HAIL.


&&

EVENT NUMBER EWX1300212

$$

PM

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KEWX [022025]: Preliminary Local Storm Report

NWUS54 KEWX 022025
LSREWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
325 PM CDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0312 PM HAIL 4 SSE COTTONWOOD SHORES 30.51N 98.29W
04/02/2013 E2.75 INCH BURNET TX AMATEUR RADIO

GOLF TO BASEBALL SIZE HAIL AT INTERSECTION OF HWYS 71
281


&&

EVENT NUMBER EWX1300211

$$

JPB

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KJAX [022023]: Preliminary Local Storm Report

NWUS52 KJAX 022023
LSRJAX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
423 PM EDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0400 PM WILDFIRE 5 W TALBOT ISLAND 30.47N 81.50W
04/02/2013 DUVAL FL BROADCAST MEDIA

BROADCAST MEDIA REPORTS A PRESCRIBED BURN HAS INCREASED
TO A 125 ACRE WILDFIRE AT PUMPKIN HILL CREEK PRESERVE
STATE PARK.


&&

$$

MZ

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KEWX [022017]: Preliminary Local Storm Report

NWUS54 KEWX 022017
LSREWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
316 PM CDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0310 PM HAIL 2 E MARBLE FALLS 30.58N 98.24W
04/02/2013 M1.00 INCH BURNET TX COCORAHS

NICKEL TO QUARTER SIZE HAIL.


&&

EVENT NUMBER EWX1300210

$$

PM

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KLUB [022016]: Preliminary Local Storm Report

NWUS54 KLUB 022016
LSRLUB

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LUBBOCK TX
316 PM CDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0320 PM TSTM WND DMG 6 N TULIA 34.62N 101.77W
04/01/2013 SWISHER TX POLICE DEPT

4 CARS BLOWN OFF I27


&&

EVENT NUMBER LUB1300181

$$

CWA

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KEWX [022015]: Preliminary Local Storm Report

NWUS54 KEWX 022015
LSREWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
315 PM CDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0300 PM HAIL 5 N MARBLE FALLS 30.65N 98.27W
04/02/2013 E0.75 INCH BURNET TX PUBLIC

HALF INCH TO PENNY SIZE HAIL.


&&

EVENT NUMBER EWX1300209

$$

PM

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KEWX [022011]: Preliminary Local Storm Report

NWUS54 KEWX 022011
LSREWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
311 PM CDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0250 PM HAIL 1 S KINGSLAND 30.65N 98.45W
04/02/2013 M1.75 INCH LLANO TX PUBLIC

GOLFBALL SIZE HAIL..


&&

EVENT NUMBER EWX1300208

$$

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KEWX [022009]: Preliminary Local Storm Report

NWUS54 KEWX 022009
LSREWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
309 PM CDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0230 PM HAIL 2 W KINGSLAND 30.66N 98.49W
04/02/2013 E0.70 INCH LLANO TX LAW ENFORCEMENT

HALF INCH TO NEAR DIME SIZE HAIL.


&&

EVENT NUMBER EWX1300207

$$

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 022002
SWODY1
SPC AC 022000

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0300 PM CDT TUE APR 02 2013

VALID 022000Z - 031200Z

...THERE IS A SLGT RISK OF SVR TSTMS FROM SWRN THROUGH CNTRL AND
SERN TX...

...SWRN THROUGH CNTRL AND SERN TX...

WARM SECTOR HAS BECOME MODERATELY UNSTABLE SOUTH OF A COLD FRONT
THAT EXTENDS FROM NERN TX SWWD THROUGH SWRN TX NEAR FORT STOCKTON
WHERE IT INTERSECTS A DRYLINE. STORMS ARE DEVELOPING ALONG THE SWD
ADVANCING FRONT ACROSS CNTRL AND SWRN TX AS WELL AS OVER THE
MOUNTAINS OF SWRN TX. VERTICAL SHEAR FROM 30-35 KT CHARACTERIZES
MOST OF THE WARM SECTOR WITH ELY NEAR SFC WINDS VEERING TO WLY WITH
HEIGHT. WV IMAGERY INDICATES WHAT APPEARS TO BE AN UPPER IMPULSE
MOVING INTO SWRN TX AHEAD OF THE MAIN UPPER LOW...AND SOME INCREASE
IN DEEP LAYER VERTICAL SHEAR MAY OCCUR DURING THE EVENING AS THIS
FEATURE CONTINUES EWD. THE ENVIRONMENT SHOULD BECOME INCREASINGLY
FAVORABLE FOR ORGANIZED STORMS INCLUDING POTENTIAL FOR ROTATING
UPDRAFTS AND LATER POSSIBLE BOWING SEGMENTS AS STORMS CONGEAL WHILE
DEVELOPING EWD. PRIMARY THREATS APPEAR TO BE LARGE HAIL AND DAMAGING
WIND WITH VERY LARGE HAIL POSSIBLE OVER PORTIONS OF SWRN INTO CNTRL
TX WHERE STEEPER LAPSE RATES AND STRONGER INSTABILITY EXIST. THOUGH
HODOGRAPHS ARE NOT PARTICULARLY LARGE...A COUPLE TORNADOES CANNOT BE
RULED OUT FROM SWRN TX INTO SCNTRL TX GIVEN SUFFICIENT
INSTABILITY...A MOIST BOUNDARY LAYER AND VEERING LOW LEVEL WINDS
WITH HEIGHT.

OTHER ELEVATED STORMS MAY DEVELOP LATER TONIGHT OVER WRN TX NORTH OF
THE FRONT AND POSE SOME RISK FOR HAIL.

..DIAL.. 04/02/2013

.PREV DISCUSSION... /ISSUED 1147 AM CDT TUE APR 02 2013/

...SYNOPSIS...
THE LARGE SCALE PATTERN LIKELY WILL CONTINUE TO SHOW MINIMAL CHANGE
THIS PERIOD AS SLOWLY-PROGRESSIVE SPLIT FLOW PATTERN PERSISTS OVER
THE WRN AND CNTRL STATES...IN WAKE OF DEEP VORTEX OVER NEW
ENGLAND/SRN QUE. LOW-LVL WARM ADVECTION/UPR LVL DIVERGENCE WILL
CONTINUE OVER MUCH TX AND THE WRN GULF CST REGION...DOWNSTREAM FROM
FOUR CORNERS UPR LOW. AT THE SAME TIME...DIVERGENCE/ASCENT WILL
INCREASE OVER S TX LATER TODAY...AND OVER THE NWRN GULF THROUGH
TNGT...AS SRN STREAM IMPULSE NOW OVER NW MEXICO/NRN SONORA TRACKS E
TO THE BIG BEND REGION BY EVE...AND INTO LA EARLY WED.

AT THE SFC...SHALLOW POLAR FRONT EXPECTED TO CONTINUE ADVANCING S
ACROSS W TX TODAY. THE S TO SE ADVANCE OF THE BOUNDARY SHOULD BE
MORE GRADUAL WITH EWD EXTENT ACROSS THE LWR PLNS AND HILL COUNTRY.
BY EVE THE FRONT SHOULD ARC NEWD FROM N OF THE BIG BEND REGION INTO
A WEAK WAVE NEAR DFW. A SERIES OF WEAKER BOUNDARIES NOW EXTENDING
ROUGHLY WNW/ESE ACROSS E TX INTO THE WRN GULF SHOULD FURTHER WEAKEN
AS LOW-LVL ESE FLOW PERSISTS ACROSS REGION.

COMBINATION OF MOIST...LOW-LVL UPSLOPE FLOW...SFC HEATING...
APPROACHING SRN STREAM DISTURBANCE...AND UPLIFT ALONG POLAR FRONT
TOGETHER SHOULD SUPPORT FAIRLY WIDESPREAD TSTM DEVELOPMENT ACROSS
PARTS OF CNTRL AND SRN TX LATER TODAY THROUGH EARLY WED. SOME OF
THESE STORMS COULD BECOME SVR.

...CNTRL/SRN TX LATER TODAY THROUGH EARLY WED...
MOIST UPSLOPE FLOW HAS CONTRIBUTED TO EXTENSIVE LOW-LVL CLOUD COVER
AHEAD OF COLD FRONT OVER MUCH OF SRN AND CNTRL TX.
NEVERTHELESS...MODERATE SFC HEATING WILL OCCUR IN PRE-FRONTAL AIR.
COUPLED WITH RELATIVELY COOL MID-LVL TEMPS AND FAVORABLY-TIMED
ASCENT ASSOCIATED WITH SONORAN UPR IMPULSE...EXPECT TSTMS TO FORM
OVER S CNTRL TX BY MID TO LATE AFTN...LIKELY PREFERENTIALLY ALONG
WRN FRINGE OF LOW CLOUD DECK/NEAR LEE TROUGH NOW EXTENDING NWD FROM
THE BIG BEND.

WHILE NOT PARTICULARLY STRONG /AROUND 35 KTS/...DEEP WLY SHEAR
SHOULD BE AMPLE FOR SUSTAINED STORMS/SUPERCELLS GIVEN RICHLY-MOIST
ENVIRONMENT /PW AOA 1.25 INCHES AND 850 MB DEWPOINTS ABOVE 12 C/ AND
ELY COMPONENT TO NEAR-SFC FLOW. OTHER STORMS MAY FORM ALONG AND
BEHIND SHALLOW POLAR FRONT OVER CNTRL AND N CNTRL TX. WHILE EXPECTED
FAIRLY EXTENSIVE STORM COVERAGE MAY RESULT IN SOME DEGREE OF
DESTRUCTIVE INTERFERENCE...AT LEAST SOME STORMS WILL HAVE THE
POTENTIAL TO PRODUCE LARGE HAIL AND LOCALLY DMGG WIND BEFORE
CONSOLIDATING INTO LARGER-SCALE CLUSTERS. THE STORM CLUSTERS SHOULD
MOVE/DEVELOP GENERALLY ESE TNGT THROUGH EARLY WED...THEREBY EXPOSING
MUCH OF THE TX GULF CSTL PLN /ESPECIALLY MIDDLE PORTIONS/ TO A RISK
FOR LOCALLY DMG WIND AND SVR HAIL. A RISK ALSO WILL EXIST FOR A
TORNADO OR TWO...CONDITIONAL ON FAVORABLE STORM-SCALE INTERACTIONS.


...NW TX/OK THROUGH EARLY WED...
FARTHER N...EPISODES OF ELEVATED TSTMS EXPECTED TO CONTINUE THROUGH
THE PERIOD N OF THE POLAR FRONT ACROSS NW TX AND MUCH OF OK.
DEEPENING OF POST-FRONTAL COLD AIR MASS AND DEVELOPMENT OF STRONGER
SFC-BASED STORMS FARTHER S SUGGEST THAT ELEVATED CAPE WILL REMAIN
TOO LIMITED TO POSE AN APPRECIABLE RISK FOR SVR HAIL.

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WATCHES: Severe Thunderstorm Watch Number 79

WWUS20 KWNS 021941
SEL9
SPC WW 021941
TXZ000-030400-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 79
NWS STORM PREDICTION CENTER NORMAN OK
235 PM CDT TUE APR 2 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

SOUTHERN AND CENTRAL TEXAS

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 235 PM UNTIL
1100 PM CDT.

HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 185
STATUTE MILES EAST AND WEST OF A LINE FROM 75 MILES EAST
NORTHEAST OF SAN ANGELO TEXAS TO 5 MILES EAST OF DEL RIO TEXAS.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU9).

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...TSTMS EXPECTED TO INCREASE IN SEVERAL PARTS OF WW AREA
THROUGH THIS EVE: /1/ ALONG LEE TROUGH/DRY LINE NEAR THE DAVIS
MOUNTAINS AS MID-LVL COOLING ASCENT WITH NRN MEXICO/CHIHUAHUA UPR
IMPULSE AND SFC HEATING FURTHER DESTABILIZE REGION OF MOIST UPSLOPE
FLOW.../2/ ALONG AND N OF W-E COLD FRONT ADVANCING SLOWLY S THROUGH
THE SRN EDWARDS PLATEAU/HILL COUNTRY...AND /3/ ALONG WEAK NW/SE WARM
FRONT/DIFFERENTIAL HEATING BOUNDARY OVER THE ERN HILL COUNTRY INTO
THE WRN PORTIONS OF THE MIDDLE TX CSTL PLN.
MODERATE /25-35 KT/ WLY DEEP SHEAR AND SUSTAINED...SEASONABLY MOIST
LOW-LVL INFLOW SUGGEST GOOD POTENTIAL FOR A FEW SUPERCELLS WITH
LARGE HAIL/LOCALLY DMGG WIND. THIS ACTIVITY SHOULD MERGE INTO ONE OR
TWO SIZABLE MCSS BY MID EVE. A TORNADO OR TWO ALSO CANNOT BE RULED
OUT LATER THIS AFTN...BOTH IN THE BIG BEND REGION WHERE LOW-LVL
LAPSE RATES WILL BE MAXIMIZED UNDER PARTLY CLEAR SKIES...AND IN ERN
QUARTER OF WW...INVOF DIFFUSE WARM FRONT. ENVIRONMENT AND STORM
CHARACTER IN THESE AREAS WILL BE MONITORED FOR POSSIBLE WATCH
UPGRADES.

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 29025.


...CORFIDI

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KSJT [021926]: Preliminary Local Storm Report

NWUS54 KSJT 021926
LSRSJT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
226 PM CDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0833 PM TSTM WND GST 2 NNE WEINERT 33.35N 99.66W
04/01/2013 M64 MPH HASKELL TX MESONET

MESONET STATION IN WIENERT RECORDED SUSTAINED WINDS AT
54 MPH WITH 64 MPH GUST PEAK WIND.


&&

EVENT NUMBER SJT1300130

$$

18

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MESO: Mesoscale Discussion 0370

ACUS11 KWNS 021859
SWOMCD
SPC MCD 021859
TXZ000-022000-

MESOSCALE DISCUSSION 0370
NWS STORM PREDICTION CENTER NORMAN OK
0159 PM CDT TUE APR 02 2013

AREAS AFFECTED...CNTRL TX

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 021859Z - 022000Z

PROBABILITY OF WATCH ISSUANCE...60 PERCENT

SUMMARY...TSTM COVERAGE SHOULD INCREASE THROUGH THE AFTERNOON ALONG
AND AHEAD OF A SWD MOVING COLD FRONT. AN ACCOMPANYING THREAT OF DMGG
WINDS AND LARGE HAIL MAY ALSO DEVELOP WITH THE STRONGEST
TSTMS...POSSIBLY REQUIRING ISSUANCE OF A WW.

DISCUSSION...POCKETS OF HEATING WITHIN BREAKS OF WIDESPREAD
CLOUDINESS HAVE ALLOWED TEMPERATURES TO APPROACH 80 F IN SOME
LOCATIONS...WITH AN INCREASE IN CONVECTION NOTED INVOF LOCALIZED
DIFFERENTIAL HEATING ZONE OVER LLANO COUNTY. THIS IS OCCURRING S OF
A SLOW-MOVING COLD FRONT...WHICH WAS ANALYZED FROM NEAR SJT-BWD-30 S
FTW AS OF 19Z. DESPITE THE PRESENCE OF CLOUD COVER LIMITING SFC
HEATING...MOIST BOUNDARY LAYER CONDITIONS /E.G. SFC DEWPOINTS LOWER
60S/ ALONG WITH INCREASING ASCENT ACCOMPANYING AN UPPER IMPULSE
APPROACHING THE BIG BEND REGION SHOULD PROMOTE A GENERAL INCREASE IN
CONVECTION ALONG AND AHEAD OF THE COLD FRONT. HIGH-RESOLUTION
GUIDANCE SUGGESTS CONVECTION SHOULD EVOLVE INTO A SEMI-ORGANIZED
FRONTAL CLUSTER OR LINE THIS AFTERNOON ACROSS CNTRL TX. A DMGG WIND
THREAT MAY ACCOMPANY THIS ACTIVITY...BUT COULD BE LIMITED BY
ANAFRONTAL CHARACTER OF THE REGIME. ADDITIONALLY...THE POTENTIAL FOR
HAIL AND LOCALIZED DMGG WINDS...AND PERHAPS A BRIEF TORNADO...COULD
ACCOMPANY PRE-FRONTAL DISCRETE STORMS THAT OCCUR. CONVECTIVE TRENDS
WILL CONTINUE TO BE MONITORED FOR SIGNS OF INCREASING COVERAGE AND
INTENSIFICATION WHICH MAY REQUIRE A WW.

..ROGERS/CORFIDI.. 04/02/2013

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...HGX...FWD...EWX...SJT...

LAT...LON 29629972 29979983 31279975 31569924 31769870 31809837
32049738 31819655 31409642 30399659 29889706 29569744
29499814 29629972

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MESO: Mesoscale Discussion 0369

ACUS11 KWNS 021843
SWOMCD
SPC MCD 021842
TXZ000-022015-

MESOSCALE DISCUSSION 0369
NWS STORM PREDICTION CENTER NORMAN OK
0142 PM CDT TUE APR 02 2013

AREAS AFFECTED...BIG BEND REGION OF SWRN TX INTO THE EDWARDS PLATEAU
AREA

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 021842Z - 022015Z

PROBABILITY OF WATCH ISSUANCE...60 PERCENT

SUMMARY...SEVERE THREAT IS EXPECTED TO INCREASE OVER THE NEXT 1-2
HOURS...WITH LARGE HAIL AND LOCALLY DAMAGING WINDS EXPECTED. WW
ISSUANCE MAY BECOME NECESSARY IN THE NEXT HOUR OR SO.

DISCUSSION...VISIBLE SATELLITE IMAGERY SHOWS A CLEAR TO PARTLY
CLOUDY SKY ACROSS WRN PORTIONS OF THE DISCUSSION AREA...W OF THE LOW
CLOUD DECK WHICH EXTENDS AS FAR WWD AS ROUGHLY VAL VERDE AND
CROCKETT COUNTIES. HERE...AFTERNOON HEATING COMBINED WITH UPPER 40S
TO NEAR 50 F SURFACE DEWPOINTS HAS YIELDED MODEST
DESTABILIZATION...RESULTING IN SCATTERED/WEAK CONVECTIVE DEVELOPMENT
PER VISIBLE SATELLITE AND LIGHTNING DATA. AS LARGE-SCALE ASCENT
CONTINUES TO INCREASE IN ADVANCE OF THE MAIN UPPER SYSTEM CROSSING
THE FOUR CORNERS AREA AND A SECONDARY FEATURE CROSSING NWRN
MEXICO...EXPECT A FURTHER INCREASE IN THUNDERSTORMS ACROSS THE BIG
BEND REGION.

WHILE LIMITED MOISTURE/INSTABILITY W OF THE LOW CLOUD SHIELD MAY
HINDER SEVERE POTENTIAL INITIALLY...MORE FAVORABLY MOIST/UNSTABLE
AIRMASS E OF THIS REGION SHOULD PERMIT STORMS TO INTENSIFY AS THEY
SHIFT EWD FROM THE INITIATION ZONE. THUS -- WITH POTENTIAL FOR
LARGE HAIL AND DAMAGING WINDS TO INCREASE WITH TIME...WW MAY BE
NEEDED.

..GOSS/CORFIDI.. 04/02/2013

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...EWX...SJT...MAF...

LAT...LON 29610448 30120473 31110385 31510183 31399980 29849986
28730050 29620148 29710246 28910306 29280416 29610448

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DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 021732
SWODY2
SPC AC 021730

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1230 PM CDT TUE APR 02 2013

VALID 031200Z - 041200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...

SPLIT FLOW UPPER SYNOPTIC REGIME WILL REMAIN OVER THE U.S. THROUGH
WEDNESDAY. PRIMARY FEATURE OF INTEREST WILL BE THE CUTOFF UPPER LOW
CURRENTLY NEAR THE 4-CORNERS REGION. THIS FEATURE WILL MOVE ESEWD
THROUGH TX...REACHING THE WRN GULF COASTAL REGION BY THE END OF THE
PERIOD. AT THE SFC AN E-W ORIENTED FRONT STRETCHING FROM THE SERN
U.S. WWD INTO SWRN TX WILL CONTINUE SLOWLY SWD THROUGH TX. FARTHER
EAST THE FRONT WILL LIKELY STALL OR LIFT NWD TO NEAR THE LA COAST AS
A SFC WAVE DEVELOPS ALONG THIS BOUNDARY IN RESPONSE TO FORCING
ASSOCIATED WITH THE APPROACHING UPPER TROUGH.

...S TX...

UPPER 60S DEWPOINTS WILL PERSIST IN S TX WARM SECTOR BENEATH STEEP
MID-LEVEL LAPSE RATES PROMOTING MODERATE TO STRONG INSTABILITY BUT
ALSO A CAPPING INVERSION AT BASE OF THE EML. CURRENT INDICATIONS ARE
THAT A FEW CLUSTERS OF STORMS MIGHT BE ONGOING PRIMARILY NORTH OF
THE FRONT ANYWHERE FROM NEAR THE BIG BEND AREA TO SERN TX. THIS
ACTIVITY WILL TEND TO REINFORCE THE FRONT WHICH WILL CONTINUE TO
ADVANCE SWD. ALSO FLOW IN THE PRE-FRONTAL WARM SECTOR WILL LIKELY
VEER TO NNELY WITH TIME AS WEAK CYCLOGENESIS COMMENCES OVER THE WRN
GULF. UNCERTAINTY REMAINS REGARDING INITIATION POTENTIAL IN WARM
SECTOR GIVEN POTENTIAL FOR MODERATELY STRONG CAP AND ONLY WEAK
FRONTAL CONVERGENCE. NEVERTHELESS A FEW STORMS MAY DEVELOP ALONG THE
FRONT/OUTFLOWS OR IN ASSOCIATION WITH EXISTING CONVECTION DEVELOPING
SEWD FROM THE RIO GRAND AREA. SHOULD STORMS DEVELOP...ISOLATED LARGE
HAIL AND DAMAGING WIND GUSTS WILL BE POSSIBLE GIVEN THE FAVORABLE
THERMODYNAMIC ENVIRONMENT.

...COASTAL LA...

A SMALL WARM SECTOR MAY MOVE INTO COASTAL LA OVERNIGHT AS THE UPPER
TROUGH APPROACHES FROM THE WEST...WIND PROFILES WILL
STRENGTHEN...AND DEWPOINTS WILL INCREASE. WHILE SOME FORECAST
SOUNDINGS SHOW A SHALLOW STABLE LAYER NEAR THE SURFACE...A FEW
ROTATING STORMS MAY EXIST OVER THE WATER...AND POSSIBLY THREATEN
COASTAL AREAS EARLY THU MORNING.

..DIAL.. 04/02/2013

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KEWX [021711]: Preliminary Local Storm Report

NWUS54 KEWX 021711
LSREWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1211 PM CDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0905 PM HAIL 1 E QUEMADO 28.95N 100.62W
03/31/2013 E1.75 INCH MAVERICK TX PUBLIC

GOLFBALL SIZE HAIL.


&&

EVENT NUMBER EWX1300206

$$

PM

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KOUN [021705]: Preliminary Local Storm Report

NWUS54 KOUN 021705
LSROUN

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
1205 PM CDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0723 PM HAIL 7 W TRUSCOTT 33.75N 99.92W
04/01/2013 E1.00 INCH KNOX TX PUBLIC

0724 PM TSTM WND DMG 5 NW TRUSCOTT 33.80N 99.86W
04/01/2013 KNOX TX OTHER FEDERAL

TREE DOWN


&&

$$

MBS

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 021648
SWODY1
SPC AC 021647

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1147 AM CDT TUE APR 02 2013

VALID 021630Z - 031200Z

...THERE IS A SLGT RISK OF SVR TSTMS OVER A LARGE PART OF SRN AND
CNTRL TX...

...SYNOPSIS...
THE LARGE SCALE PATTERN LIKELY WILL CONTINUE TO SHOW MINIMAL CHANGE
THIS PERIOD AS SLOWLY-PROGRESSIVE SPLIT FLOW PATTERN PERSISTS OVER
THE WRN AND CNTRL STATES...IN WAKE OF DEEP VORTEX OVER NEW
ENGLAND/SRN QUE. LOW-LVL WARM ADVECTION/UPR LVL DIVERGENCE WILL
CONTINUE OVER MUCH TX AND THE WRN GULF CST REGION...DOWNSTREAM FROM
FOUR CORNERS UPR LOW. AT THE SAME TIME...DIVERGENCE/ASCENT WILL
INCREASE OVER S TX LATER TODAY...AND OVER THE NWRN GULF THROUGH
TNGT...AS SRN STREAM IMPULSE NOW OVER NW MEXICO/NRN SONORA TRACKS E
TO THE BIG BEND REGION BY EVE...AND INTO LA EARLY WED.

AT THE SFC...SHALLOW POLAR FRONT EXPECTED TO CONTINUE ADVANCING S
ACROSS W TX TODAY. THE S TO SE ADVANCE OF THE BOUNDARY SHOULD BE
MORE GRADUAL WITH EWD EXTENT ACROSS THE LWR PLNS AND HILL COUNTRY.
BY EVE THE FRONT SHOULD ARC NEWD FROM N OF THE BIG BEND REGION INTO
A WEAK WAVE NEAR DFW. A SERIES OF WEAKER BOUNDARIES NOW EXTENDING
ROUGHLY WNW/ESE ACROSS E TX INTO THE WRN GULF SHOULD FURTHER WEAKEN
AS LOW-LVL ESE FLOW PERSISTS ACROSS REGION.

COMBINATION OF MOIST...LOW-LVL UPSLOPE FLOW...SFC HEATING...
APPROACHING SRN STREAM DISTURBANCE...AND UPLIFT ALONG POLAR FRONT
TOGETHER SHOULD SUPPORT FAIRLY WIDESPREAD TSTM DEVELOPMENT ACROSS
PARTS OF CNTRL AND SRN TX LATER TODAY THROUGH EARLY WED. SOME OF
THESE STORMS COULD BECOME SVR.

...CNTRL/SRN TX LATER TODAY THROUGH EARLY WED...
MOIST UPSLOPE FLOW HAS CONTRIBUTED TO EXTENSIVE LOW-LVL CLOUD COVER
AHEAD OF COLD FRONT OVER MUCH OF SRN AND CNTRL TX.
NEVERTHELESS...MODERATE SFC HEATING WILL OCCUR IN PRE-FRONTAL AIR.
COUPLED WITH RELATIVELY COOL MID-LVL TEMPS AND FAVORABLY-TIMED
ASCENT ASSOCIATED WITH SONORAN UPR IMPULSE...EXPECT TSTMS TO FORM
OVER S CNTRL TX BY MID TO LATE AFTN...LIKELY PREFERENTIALLY ALONG
WRN FRINGE OF LOW CLOUD DECK/NEAR LEE TROUGH NOW EXTENDING NWD FROM
THE BIG BEND.

WHILE NOT PARTICULARLY STRONG /AROUND 35 KTS/...DEEP WLY SHEAR
SHOULD BE AMPLE FOR SUSTAINED STORMS/SUPERCELLS GIVEN RICHLY-MOIST
ENVIRONMENT /PW AOA 1.25 INCHES AND 850 MB DEWPOINTS ABOVE 12 C/ AND
ELY COMPONENT TO NEAR-SFC FLOW. OTHER STORMS MAY FORM ALONG AND
BEHIND SHALLOW POLAR FRONT OVER CNTRL AND N CNTRL TX. WHILE EXPECTED
FAIRLY EXTENSIVE STORM COVERAGE MAY RESULT IN SOME DEGREE OF
DESTRUCTIVE INTERFERENCE...AT LEAST SOME STORMS WILL HAVE THE
POTENTIAL TO PRODUCE LARGE HAIL AND LOCALLY DMGG WIND BEFORE
CONSOLIDATING INTO LARGER-SCALE CLUSTERS. THE STORM CLUSTERS SHOULD
MOVE/DEVELOP GENERALLY ESE TNGT THROUGH EARLY WED...THEREBY EXPOSING
MUCH OF THE TX GULF CSTL PLN /ESPECIALLY MIDDLE PORTIONS/ TO A RISK
FOR LOCALLY DMG WIND AND SVR HAIL. A RISK ALSO WILL EXIST FOR A
TORNADO OR TWO...CONDITIONAL ON FAVORABLE STORM-SCALE INTERACTIONS.


...NW TX/OK THROUGH EARLY WED...
FARTHER N...EPISODES OF ELEVATED TSTMS EXPECTED TO CONTINUE THROUGH
THE PERIOD N OF THE POLAR FRONT ACROSS NW TX AND MUCH OF OK.
DEEPENING OF POST-FRONTAL COLD AIR MASS AND DEVELOPMENT OF STRONGER
SFC-BASED STORMS FARTHER S SUGGEST THAT ELEVATED CAPE WILL REMAIN
TOO LIMITED TO POSE AN APPRECIABLE RISK FOR SVR HAIL.

..CORFIDI/ROGERS.. 04/02/2013

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 021632
SWODY1
SPC AC 021630

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1130 AM CDT TUE APR 02 2013

VALID 021630Z - 031200Z

...THERE IS A SLGT RISK OF SVR TSTMS OVER A LARGE PART OF SRN AND
CNTRL TX...

...SYNOPSIS...
THE LARGE SCALE PATTERN LIKELY WILL CONTINUE TO SHOW MINIMAL CHANGE
THIS PERIOD AS SLOWLY-PROGRESSIVE SPLIT FLOW PATTERN PERSISTS OVER
THE WRN AND CNTRL STATES...IN WAKE OF DEEP VORTEX OVER NEW
ENGLAND/SRN QUE. LOW-LVL WARM ADVECTION/UPR LVL DIVERGENCE WILL
CONTINUE OVER MUCH TX AND THE WRN GULF CST REGION...DOWNSTREAM FROM
FOUR CORNERS UPR LOW. AT THE SAME TIME...DIVERGENCE/ASCENT WILL
INCREASE OVER S TX LATER TODAY...AND OVER THE NWRN GULF THROUGH
TNGT...AS SRN STREAM IMPULSE NOW OVER NW MEXICO/NRN SONORA TRACKS E
TO THE BIG BEND REGION BY EVE...AND INTO LA EARLY WED.

AT THE SFC...SHALLOW POLAR FRONT EXPECTED TO CONTINUE ADVANCING S
ACROSS W TX TODAY. THE S TO SE ADVANCE OF THE BOUNDARY SHOULD BE
MORE GRADUAL WITH EWD EXTENT ACROSS THE LWR PLNS AND HILL COUNTRY.
BY EVE THE FRONT SHOULD ARC NEWD FROM N OF THE BIG BEND REGION INTO
A WEAK WAVE NEAR DFW. A SERIES OF WEAKER BOUNDARIES NOW EXTENDING
ROUGHLY WNW/ESE ACROSS E TX INTO THE WRN GULF SHOULD FURTHER WEAKEN
AS LOW-LVL ESE FLOW PERSISTS ACROSS REGION.

COMBINATION OF MOIST...LOW-LVL UPSLOPE FLOW...SFC HEATING...
APPROACHING SRN STREAM DISTURBANCE...AND UPLIFT ALONG POLAR FRONT
TOGETHER SHOULD SUPPORT FAIRLY WIDESPREAD TSTM DEVELOPMENT ACROSS
PARTS OF CNTRL AND SRN TX LATER TODAY THROUGH EARLY WED. SOME OF
THESE STORMS COULD BECOME SVR.

...CNTRL/SRN TX LATER TODAY THROUGH EARLY WED...
MOIST UPSLOPE FLOW HAS CONTRIBUTED TO EXTENSIVE LOW-LVL CLOUD COVER
AHEAD OF COLD FRONT OVER MUCH OF SRN AND CNTRL TX.
NEVERTHELESS...MODERATE SFC HEATING WILL OCCUR IN PRE-FRONTAL AIR.
COUPLED WITH RELATIVELY COOL MID-LVL TEMPS AND FAVORABLY-TIMED
ASCENT ASSOCIATED WITH SONORAN UPR IMPULSE...EXPECT TSTMS TO FORM
OVER S CNTRL TX BY MID TO LATE AFTN...LIKELY PREFERENTIALLY ALONG
WRN FRINGE OF LOW CLOUD DECK/NEAR LEE TROUGH NOW EXTENDING NWD FROM
THE BIG BEND.

WHILE NOT PARTICULARLY STRONG /AROUND 35 KTS/...DEEP WLY SHEAR
SHOULD BE AMPLE FOR SUSTAINED STORMS/SUPERCELLS GIVEN RICHLY-MOIST
ENVIRONMENT /PW AOA 1.25 INCHES AND 850 MB DEWPOINTS ABOVE 12 C/ AND
ELY COMPONENT TO NEAR-SFC FLOW. OTHER STORMS MAY FORM ALONG AND
BEHIND SHALLOW POLAR FRONT OVER CNTRL AND N CNTRL TX. WHILE EXPECTED
FAIRLY EXTENSIVE STORM COVERAGE MAY RESULT IN SOME DEGREE OF
DESTRUCTIVE INTERFERENCE...AT LEAST SOME STORMS WILL HAVE THE
POTENTIAL TO PRODUCE LARGE HAIL AND LOCALLY DMGG WIND BEFORE
CONSOLIDATING INTO LARGER-SCALE CLUSTERS. THE STORM CLUSTERS SHOULD
MOVE/DEVELOP GENERALLY ESE TNGT THROUGH EARLY WED...THEREBY EXPOSING
MUCH OF THE TX GULF CSTL PLN /ESPECIALLY MIDDLE PORTIONS/ TO A RISK
FOR LOCALLY DMG WIND AND SVR HAIL. A RISK ALSO WILL EXIST FOR A
TORNADO OR TWO...CONDITIONAL ON FAVORABLE STORM-SCALE INTERACTIONS.


...NW TX/OK THROUGH EARLY WED...
FARTHER N...EPISODES OF ELEVATED TSTMS EXPECTED TO CONTINUE THROUGH
THE PERIOD N OF THE POLAR FRONT ACROSS NW TX AND MUCH OF OK.
DEEPENING OF POST-FRONTAL COLD AIR MASS AND DEVELOPMENT OF STRONGER
SFC-BASED STORMS FARTHER S SUGGEST THAT ELEVATED CAPE WILL REMAIN
TOO LIMITED TO POSE AN APPRECIABLE RISK FOR SVR HAIL.

..CORFIDI/ROGERS.. 04/02/2013

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KEWX [021616]: Preliminary Local Storm Report

NWUS54 KEWX 021616
LSREWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1116 AM CDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0530 PM HAIL 10 E ALAMO VILLAGE 29.42N 100.23W
03/31/2013 E1.00 INCH KINNEY TX PUBLIC

QUARTER SIZE HAIL.


&&

EVENT NUMBER EWX1300205

$$

PM

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KSLC [021531]: Preliminary Local Storm Report

NWUS55 KSLC 021531
LSRSLC

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
930 AM MDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0430 AM SNOW PARK CITY 40.66N 111.57W
04/02/2013 M10.0 INCH SUMMIT UT TRAINED SPOTTER

THE CANYONS - 8800 FT

0427 AM SNOW ALTA 40.58N 111.64W
04/02/2013 M12.0 INCH SALT LAKE UT TRAINED SPOTTER

ALTA COLLINS - 9662 FT

0545 AM SNOW ALTA 40.59N 111.64W
04/02/2013 M9.0 INCH SALT LAKE UT TRAINED SPOTTER

ALTA UDOT - 8799 FT

0513 AM SNOW BRIGHTON 40.62N 111.59W
04/02/2013 M11.0 INCH SALT LAKE UT TRAINED SPOTTER

SOLITUDE - 8200 FT

0625 AM SNOW PARK CITY 40.61N 111.54W
04/02/2013 M12.0 INCH SUMMIT UT TRAINED SPOTTER

PARK CITY SUMMIT - 9300 FT

0430 AM SNOW BRIGHTON 40.59N 111.58W
04/02/2013 M13.0 INCH SALT LAKE UT TRAINED SPOTTER

BRIGHTON CREST - 9500 FT

0459 AM SNOW BRIGHTON 40.64N 111.64W
04/02/2013 M7.0 INCH SALT LAKE UT TRAINED SPOTTER

BIG COTTONWOOD SPRUCES - 7402 FT

&&

$$

ROGOWSKI

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KEWX [021355]: Preliminary Local Storm Report

NWUS54 KEWX 021355
LSREWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
854 AM CDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0711 PM HAIL 6 NNW CRYSTAL CITY 28.78N 99.85W
03/31/2013 M2.75 INCH ZAVALA TX EMERGENCY MNGR

BASEBALL SIZE HAIL.


&&

EVENT NUMBER EWX1300204

$$

PM

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KMLB [021334]: Preliminary Local Storm Report

NWUS52 KMLB 021334
LSRMLB

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
933 AM EDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0500 PM WILDFIRE 3 SSE KENNEDY SPACE CEN 28.49N 80.67W
04/01/2013 BREVARD FL BROADCAST MEDIA

LIGHTNING SPARKED A BRUSH FIRE NEAR STATE ROAD 3 AND
JEROME ROAD CLOSE TO KENNEDY SPACE CENTER AROUND 5 PM
MONDAY, APRIL 1ST. IT HAS GROWN TO AROUND 1000 ACRES.
REPORT OBTAINED FROM WKMG.


&&

$$

DKW

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KAPX [021239]: Preliminary Local Storm Report

NWUS53 KAPX 021239
LSRAPX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GAYLORD MI
839 AM EDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0800 AM SNOW PICKFORD 46.16N 84.36W
04/02/2013 M3.5 INCH CHIPPEWA MI SPOTTER

12 HR TOTAL THRU 8 AM.


&&

$$

LOCKER

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 021229
SWODY1
SPC AC 021227

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0727 AM CDT TUE APR 02 2013

VALID 021300Z - 031200Z

...THERE IS A SLGT RISK OF SVR TSTMS TODAY INTO TONIGHT ACROSS PARTS
OF CENTRAL AND SOUTHERN TEXAS...

...SYNOPSIS...
WITHIN THE PREVAILING SPLIT MID-LATITUDE WESTERLIES...MODELS
INDICATE THAT THE MAIN SHORT WAVE IMPULSE...WITHIN THE PROMINENT
NORTHERN BRANCH TROUGH OVER THE EASTERN U.S...WILL SLOWLY PROGRESS
EASTWARD INTO AND THROUGH THE CANADIAN MARITIMES DURING THIS
FORECAST PERIOD. AS THIS OCCURS...THE TRAILING EDGE OF CYCLONIC
NORTHERN STREAM FLOW IS EXPECTED TO SHIFT EAST OF THE MID/UPPER
MISSISSIPPI VALLEY. AT THE SAME TIME...THE TRAILING SOUTHERN BRANCH
CLOSED LOW/TROUGH IS FORECAST TO SLOWLY DIG THROUGH THE FOUR CORNERS
STATES...AS UPPER RIDGING BUILDS INTO CALIFORNIA...AHEAD OF THE NEXT
SIGNIFICANT SOUTHERN STREAM IMPULSE ADVANCING ACROSS THE EASTERN
PACIFIC. TO THE SOUTH AND EAST OF THE FOUR CORNERS TROUGH...BROADLY
CYCLONIC FLOW IS EXPECTED TO PERSIST ACROSS THE MEXICAN
PLATEAU...WHILE DEVELOPING EASTWARD ACROSS THE LOWER RIO GRANDE
VALLEY INTO THE WESTERN GULF COAST REGION.

SEVERAL WEAK/SMALLER SCALE IMPULSES WITHIN THIS LATTER REGIME MAY
CONTRIBUTE TO CONVECTIVE POTENTIAL TODAY ACROSS PARTS OF THE CENTRAL
AND SOUTHERN PLAINS...WHERE LOWER LEVELS REMAIN RELATIVELY
MOIST...AND MID-LEVEL LAPSE RATES REMAIN RELATIVELY STEEP. SEVERE
WEATHER POTENTIAL...HOWEVER...WILL BE COMPLICATED BY A DEEPENING
COLD INTRUSION ACROSS THE CENTRAL INTO SOUTHERN HIGH PLAINS. THIS
AIR IS ASSOCIATED WITH MUCH MORE EXPANSIVE SURFACE RIDGING EXTENDING
SOUTHEASTWARD OUT OF CENTRAL CANADA THROUGH THE EASTERN GULF OF
MEXICO...AND SOUTH ATLANTIC COASTAL AREAS...IN THE WAKE OF THE
NORTHERN BRANCH TROUGH.

...CENTRAL/SOUTHERN PLAINS...
NEAR/NORTH OF THE SURFACE FRONTAL ZONE...LOW POTENTIAL FOR
THUNDERSTORMS CAPABLE OF PRODUCING SEVERE HAIL MAY LINGER AS FAR
NORTH AS THE RED RIVER VALLEY AND PARTS OF NORTH CENTRAL TEXAS THIS
MORNING. MID-TROPOSPHERIC WARM ADVECTION DOWNSTREAM OF THE DIGGING
SOUTHERN BRANCH TROUGH MAY ALSO CONTRIBUTE TO STORMS CAPABLE OF
PRODUCING SOME HAIL LATER TONIGHT ACROSS PARTS OF THE TEXAS
PANHANDLE AND SOUTH PLAINS. HOWEVER...AS THE DEPTH OF THE COLDER
AND DRIER SURFACE-BASED LAYER INCREASES...CAPE IS CURRENTLY EXPECTED
TO DECREASE ENOUGH THAT THE RISK FOR SEVERE HAIL WILL REMAIN BELOW
SLIGHT RISK PROBABILITIES.

FARTHER SOUTH...GUIDANCE IS SUGGESTIVE THAT A WEAK IMPULSE MAY
CONTRIBUTE TO CONVECTIVE DEVELOPMENT DURING THE DAY TODAY WITHIN A
BROAD WARM FRONTAL ZONE NEAR MID/UPPER TEXAS COASTAL AREAS. THE
BOUNDARY LAYER ACROSS THIS REGION IS INCREASINGLY MOIST...WITH MID
TO UPPER 60S SURFACE DEW POINTS CONTRIBUTING TO SIZABLE CAPE. AS
MODEST SOUTHERLY 850 MB FLOW STRENGTHENING TAKES PLACE BENEATH 30+
KT WEST SOUTHWESTERLY 500 MB FLOW...VERTICAL SHEAR PROFILES MAY
BECOME SUFFICIENT FOR A FEW SEVERE STORMS...INCLUDING ISOLATED
SUPERCELLS.

OTHERWISE...FORCING FOR CONVECTION TO THE WEST REMAINS
UNCLEAR...EXCEPT FOR THE MOIST UPSLOPE REGIME ACROSS THE HIGHER
TERRAIN WEST OF THE RIO GRANDE RIVER INTO THE DAVIS MOUNTAINS AREA
OF SOUTHWEST TEXAS. THE ENVIRONMENT ACROSS THIS REGION APPEARS
CONDUCIVE TO SUPERCELLS...WHICH MAY TEND TO PROPAGATE EAST
SOUTHEASTWARD OFF THE HIGHER TERRAIN INTO TEXAS. THERE IS SOME
SIGNAL AMONG THE MODEL DATA THAT LARGE-SCALE FORCING FOR UPWARD
VERTICAL MOTION COULD CONTRIBUTE TO THE UPSCALE CONVECTIVE GROWTH OF
A MESOSCALE CONVECTIVE SYSTEM ACROSS PARTS OF SOUTH CENTRAL TEXAS
LATE THIS EVENING. IF THIS OCCURS...THE ENVIRONMENT SHOULD BE
CONDUCIVE TO THE RISK FOR DAMAGING WIND GUSTS AND LARGE HAIL.

..KERR/LEITMAN.. 04/02/2013

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KPBZ [021140]: Preliminary Local Storm Report

NWUS51 KPBZ 021140
LSRPBZ

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
740 AM EDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0623 AM SNOW 1 WNW GREENSBURG 40.31N 79.55W
04/02/2013 M0.2 INCH WESTMORELAND PA COCORAHS

24 HOUR SNOWFALL.

0700 AM SNOW 3 SE DAVIS 39.10N 79.43W
04/02/2013 M2.0 INCH TUCKER WV CO-OP OBSERVER

24 HOUR SNOWFALL. CO-OP OBSERVER

0700 AM SNOW 1 N TERRA ALTA 39.45N 79.55W
04/02/2013 M1.5 INCH PRESTON WV CO-OP OBSERVER

24 HOUR SNOWFALL. CO-OP OBSERVER


&&

EVENT NUMBER PBZ1301783
EVENT NUMBER PBZ1301784
EVENT NUMBER PBZ1301785

$$

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KMQT [021012]: Preliminary Local Storm Report

NWUS53 KMQT 021012
LSRMQT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MARQUETTE MI
611 AM EDT TUE APR 02 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0610 AM SNOW 10 S GRAND MARAIS 46.53N 85.98W
04/02/2013 M2.0 INCH ALGER MI CO-OP OBSERVER

24-HR REPORT


&&

$$

KC

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DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 020830
SWOD48
SPC AC 020830

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0330 AM CDT TUE APR 02 2013

VALID 051200Z - 101200Z

...DISCUSSION...
...FLORIDA AND SRN GA FRI/D4...
MODELS CONTINUE TO BE IN DISAGREEMENT WITH THE SPEED OF A SHORTWAVE
TROUGH THAT WILL MOVE ACROSS THE GULF COAST AND SERN STATES ON
FRI/D4. THE GFS CONTINUES TO BE MUCH FASTER WHILE THE ECMWF AS WELL
AS NAM MOVE THE SYSTEM SLOWER. WHILE THE SLOWER SOLUTION IS
PREFERRED...PREDICTABILITY REMAINS TOO LOW FOR A 96 HR OUT SEVERE
AREA. THE FASTER SOLUTION WOULD SUGGEST A THREAT OF SEVERE STORMS
THURSDAY NIGHT INTO EARLY FRIDAY...WHILE THE SLOWER SOLUTION
INDICATES A SEVERE THREAT ON FRIDAY. CONDITIONALLY...A DAMAGING
SQUALL LINE APPEARS POSSIBLE...ALONG WITH A FEW QLCS TORNADOES. THE
GREATEST THREAT AREA WOULD BE CNTRL AND NRN FL...PERHAPS INTO FAR
SRN GA...CLOSER TO THE SURFACE LOW TRACK AND WHERE THE STRONGEST
FORCING FOR ASCENT WILL BE. HOWEVER...WIND DAMAGING POTENTIAL COULD
EXTEND INTO FAR SRN FL AS WELL.

...CNTRL/SRN PLAINS MON/D7...
DESPITE SHORT TERM DISCREPANCIES...MODELS ARE IN GOOD AGREEMENT
DEVELOPING A WRN TROUGH...AND EJECTING A LEADING SHORTWAVE INTO THE
PLAINS ON MON/D7. THE GFS IS QUICKER TO BRING MID 60S F DEWPOINTS
INTO OK BY MON...SUGGESTING AN UNBROKEN FETCH FROM THE GULF...WHILE
THE ECMWF MIXES DEWPOINTS INTO THE UPPER 50S TO PERHAPS LOWER 60S.
REGARDLESS...IF THE SPEED OF THE TROUGH HOLDS TRUE...A DRYLINE
SUPERCELL EVENT WILL OCCUR WITH TORNADOES AND VERY LARGE HAIL.
TORNADO DAMAGE POTENTIAL WILL DEPEND HEAVILY ON BOUNDARY LAYER
MOISTURE MAGNITUDE AS STEEP MID TO UPPER LEVEL LAPSE RATES AND SHEAR
PROFILES WILL BOTH FAVOR SIGNIFICANT SEVERE. HOWEVER...GIVEN
MOISTURE QUALITY QUESTIONS...TIMING OF PRIMARY SHORTWAVE TROUGH AND
RELATIVELY SMALL THREAT AREA...NO AREA WILL BE OUTLINED AT THIS
TIME.

...SRN PLAINS INTO LOWER MS VALLEY TUE/D8...
MODELS AGREE MOISTURE WILL CONTINUE TO INCREASE WITH MID TO UPPER
60S F DEWPOINTS LIKELY AS FAR N AS ERN OK/AR BY TUE. WHILE SWLY FLOW
ALOFT WILL REMAIN...RESULTING IN FAVORABLE SHEAR FOR
SUPERCELLS...PREDICTABILITY DECREASES ESPECIALLY IN TERMS OF
POTENTIAL FORCING MECHANISMS. THE GFS SHOWS A FEATURE WHICH COULD
RESULT IN AN OUTBREAK OF SEVERE WEATHER ACROSS THE ARKLATEX
REGION...WHILE THE ECMWF INDICATES RISING HEIGHTS WITH THE MAIN
TROUGH DIGGING SWD OVER THE SWRN CONUS.

..JEWELL.. 04/02/2013

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MESO: Mesoscale Discussion 0368

ACUS11 KWNS 020821
SWOMCD
SPC MCD 020820
TXZ000-021015-

MESOSCALE DISCUSSION 0368
NWS STORM PREDICTION CENTER NORMAN OK
0320 AM CDT TUE APR 02 2013

AREAS AFFECTED...PORTIONS CENTRAL TX.

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 020820Z - 021015Z

PROBABILITY OF WATCH ISSUANCE...20 PERCENT

SUMMARY...ISOLATED SVR THREAT CONTINUES WITH SVR TSTMS INITIALLY
OVER ERATH/COMANCHE COUNTIES. THIS ACTIVITY IS FCST TO MOVE ESEWD
TO SEWD ACROSS PORTIONS CENTRAL TX...POSING THREAT FOR OCNL HAIL AND
DAMAGING WINDS. LOW/CONDITIONAL POTENTIAL EXISTS FOR MORE
WIDESPREAD/ORGANIZED SVR THREAT IN CORRIDOR EXTENDING INTO SE TX.
AS LONG AS CONVECTION REMAINS RELATIVELY SMALL AND SVR THREAT
MRGL...WW IS NOT ANTICIPATED. HOWEVER...ACTIVITY WILL BE MONITORED
FOR STORM-SCALE/UPSCALE GROWTH AND ASSOCIATED COLD-POOL ORGANIZATION
THAT WOULD INDICATE GREATER AREAL COVERAGE OF SVR WIND THREAT IN
PARTICULAR.

DISCUSSION...SFC MESOANALYSIS SHOWS WARM FRONT FROM BPT AREA NWWD TO
WRN PORTIONS DFW METROPLEX...INTERSECTING SYNOPTIC COLD FRONT
BETWEEN MWL-DTO. WARM FRONT IS DRIFTING NWD. OUTFLOW BOUNDARY ARCS
ACROSS ERATH/COMANCHE COUNTIES...AND IS BEING SHIFTED SEWD BY
ONGOING CONVECTION. PERSISTENT CLUSTER OF TSTMS OVER THOSE COUNTIES
HAS EVOLVED AS OF 08Z SUCH THAT
1. INITIAL SVR STORM SW OF WARM FRONT HAS NEARLY DISSIPATED AND
BECOME ENTRAINED WITHIN WARM-ADVECTION WING OF
2. LOOSELY ORGANIZED MULTICELL WITH INTERMITTENT BOWING AND
WEAK-MESOCYCLONE CHARACTERISTICS. THIS CONVECTION DEVELOPED OVER
TOP OF OUTFLOW FROM INITIAL STORM...BUT NOW APPEARS TO HAVE REACHED
SFC WARM SECTOR AND IS MOVING ESEWD ABOUT 20 KT. SOME POTENTIAL
EXISTS FOR THIS ACTIVITY TO EXPAND AND PRODUCE DAMAGING GUSTS ALONG
AND S OF WARM FRONT...HOWEVER THIS THREAT IS VERY CONDITIONAL ATTM.

MODIFIED RAOBS AND FCST SOUNDINGS SHOW PLUME OF RELATIVELY STEEP
MIDLEVEL LAPSE RATES OVER THIS REGION OVERLYING 60-63 F SFC DEW
POINTS S OF WARM FRONT. THIS LEADS TO MLCAPE 500-1200
J/KG...DECREASING RAPIDLY N OF WARM FRONT. CAPE ALSO
DIMINISHES...WITH SUBSTANTIALLY INCREASING MLCINH...DOWNSHEAR ALONG
WARM FRONT WHERE LOW-LEVEL THETAE IS WEAKER. THAT IS ONE LIMITING
FACTOR...AS IS CURRENT TENDENCY FOR SUPPORTIVE LLJ TO WEAKEN WITH
EWD EXTENT. LLJ GEOMETRY GENERALLY WILL BE MAINTAINED THROUGH
REMAINDER PRE-DAWN HOURS AS HEIGHTS FALL ALOFT IN ADVANCE OF
GREAT-BASIN CYCLONE...HOWEVER ITS MAGNITUDE WILL WEAKEN GRADUALLY.
CONTINUED DIABATIC SFC COOLING ALSO WILL RESULT IN GREATER STATIC
STABILITY WITH TIME...ESPECIALLY IN AREAS E OF I-35. FINALLY...DEEP
SHEAR AND MEAN-WIND VECTORS EACH ARE MODEST...WITH EFFECTIVE SHEAR
MAGNITUDES ONLY IN 25-30 KT RANGE AND MIDLEVEL FLOW ONLY 10-15 KT.
STORM-SCALE PROCESSES WILL NEED TO MANUFACTURE
INTENSE/PRECIP-LOADING-DRIVEN COLD POOL IN ORDER TO IMPART ENOUGH
FORCED ASCENT TO GROW THIS CONVECTION AT MORE THAN MRGL SVR
LEVELS...INTO WHAT APPEARS TO BE MORE UNFAVORABLE ENVIRONMENT WITH
SEWD EXTENT.

..EDWARDS/KERR.. 04/02/2013

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...HGX...FWD...EWX...

LAT...LON 31809847 31999822 32249801 32099737 31809640 31379556
30289685 31709843 31809847

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KFWD [020758]: Preliminary Local Storm Report

NWUS54 KFWD 020758
LSRFWD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
300 AM CDT TUE APR 02 2013

..TIME.. ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE.. ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0207 AM HAIL DUSTER 32.13N 98.65W
04/02/2013 E1.00 INCH COMANCHE TX PUBLIC

QUARTER SIZE HAIL IN DUSTER

$$

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KFWD [020722]: Preliminary Local Storm Report

NWUS54 KFWD 020722
LSRFWD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
224 AM CDT TUE APR 02 2013

..TIME.. ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE.. ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0210 AM HAIL 10 W DE LEON 32.12N 98.72W
04/02/2013 E1.00 INCH COMANCHE TX TRAINED SPOTTER

QUARTER SIZE HAIL 10 MILES WEST OF DE LEON

$$

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KFWD [020719]: Preliminary Local Storm Report

NWUS54 KFWD 020719
LSRFWD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
221 AM CDT TUE APR 02 2013

..TIME.. ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE.. ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0112 AM HAIL 5 SE DUBLIN 32.03N 98.27W
04/02/2013 E1.00 INCH ERATH TX PUBLIC

QUARTER SIZE HAIL 5 MILES SOUTHEAST OF DUBLIN ON FM 219

$$

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DAY3SVR: Nws Storm Prediction Center Norman Ok

ACUS03 KWNS 020632
SWODY3
SPC AC 020630

DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0130 AM CDT TUE APR 02 2013

VALID 041200Z - 051200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
A SHORTWAVE TROUGH WILL MOVE FROM THE SRN PLAINS EWD ACROSS THE GULF
COAST STATES ON THURSDAY. AT THE SURFACE...SLY WINDS WILL INCREASE
ACROSS THE REGION AS LOW PRESSURE BEGINS TO DEEPEN OVER THE N CNTRL
GULF MEXICO BY 00Z. THIS LOW IS FORECAST TO DEVELOP NEWD ACROSS SRN
AL/GA AND THE FL PANHANDLE OVERNIGHT WITH A COLD FRONT EXTENDING
SWWD ACROSS THE ERN GULF. RAIN AND STORMS WILL BE WIDESPREAD
AREA-WIDE AS MOISTURE RETURNS NWD ATOP A RELATIVELY COOL AIR MASS
INITIALLY. WITH TIME...MORE ROBUST MOISTURE AND INSTABILITY WILL
DEVELOP WITH A FEW SEVERE STORMS POSSIBLE.

...SRN AL/GA INTO NRN FL...
THE GFS APPEARS TO BE AN OUTLIER OVER THE PAST FEW MODEL
RUNS...MOVING THE UPPER TROUGH AND COLD FRONT MUCH FASTER THAN THE
ECMWF OR NAM. THE SLOWER SOLUTION IS PREFERRED.

STORMS SHOULD BE ONGOING ACROSS THE GULF OF MEXICO THUR
MORNING...AND SOME MAY THREATEN COASTAL LA/MS/AL INTO THE FL
PANHANDLE. THE SEVERE THREAT SHOULD INCREASE ONCE THE HIGHER THETA-E
SURFACE AIR MAKES IT ONSHORE...WHICH IS MOST LIKELY TO OCCUR ALONG
AND JUST AHEAD OF THE COLD FRONTAL CONVECTION. WIND PROFILES WILL BE
STRENGTHENING...AND WILL CONDITIONALLY FAVOR SUPERCELLS AND/OR BOWS
WITH DAMAGING WINDS. TIMING OF THE FRONT REMAINS IN QUESTION GIVEN
AFOREMENTIONED MODEL DIFFERENCES...THUS WILL ONLY INTRODUCE LOW
SEVERE PROBS.

..JEWELL.. 04/02/2013

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KFWD [020621]: Preliminary Local Storm Report

NWUS54 KFWD 020621
LSRFWD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
121 AM CDT TUE APR 02 2013

..TIME.. ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE.. ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0110 AM HAIL DUBLIN 32.08N 98.33W
04/02/2013 E1.75 INCH ERATH TX LAW ENFORCEMENT

GOLFBALL SIZE HAIL IN DUBLIN

$$

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 020600
SWODY1
SPC AC 020558

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1258 AM CDT TUE APR 02 2013

VALID 021200Z - 031200Z

...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PORTIONS OF WRN...SWRN
AND CENTRAL TX...

...SYNOPSIS...
A SPLIT FLOW REGIME WILL PERSIST ACROSS THE WRN HALF OF THE CONUS AS
A MEAN RIDGE IS MAINTAINED ALONG THE U.S. WEST COAST. A PROMINENT
UPPER LOW...CURRENTLY MOVING INTO SRN QUEBEC PER WATER VAPOR
IMAGERY...WILL PROGRESS NEWD THIS FORECAST PERIOD WITH UPSTREAM
HEIGHT RISES EXPECTED ACROSS THE MID-UPPER MS VALLEY REGION.
MEANWHILE...THE CLOSED LOW CENTERED OVER THE GREAT BASIN MON EVENING
SHOULD UNDERGO SOME WEAKENING AS IT EVOLVES INTO A POSITIVELY-TILTED
OPEN WAVE TRACKING TOWARD NM AND THE SRN HIGH PLAINS.

A COLD FRONT STRETCHING FROM THE TN VALLEY WWD INTO N TX SHOULD HAVE
GREATER SWD MOVEMENT WITH ITS TX PORTION. MODELS CONTINUE TO DIFFER
/00Z NAM REMAINS FASTER THAN THE 00Z GFS/12Z ECMWF/ WITH THIS SWD
FRONTAL MOVEMENT ACROSS WEST CENTRAL INTO SW TX FROM THIS MORNING
INTO THE AFTERNOON. GIVEN THE PRESENT LOCATION OF THE COLD FRONT
INTO THE NRN PORTION OF THE WFO MIDLAND CWA...THE NAM MAY HAVE A
BETTER FORECAST FOR DAY 1...INDICATING THE FRONT WILL HAVE MOVED S
OF KMAF BY MID-LATE AFTERNOON. DESPITE THE MODEL DIFFERENCE IN
FRONTAL PLACEMENT...THE NWD EXTENT OF THE SLIGHT RISK WILL BE
MAINTAINED BETWEEN KMAF TO KLBB FOR THE POTENTIAL OF ELEVATED SEVERE
STORMS LATER IN THE FORECAST PERIOD. MEANWHILE...A DRY LINE SHOULD
INTERSECT THE COLD FRONT ABOUT 40 SW KMAF BY MID AFTERNOON AND
EXTEND SWD INTO THE TX BIG BEND REGION.

...WRN AND SWRN THROUGH CENTRAL TX...
LOW LEVEL MOISTURE RETURN ACROSS THE WRN EXTENT OF THE WARM SECTOR
SHOULD RESULT IN SURFACE DEW POINTS IN THE UPPER 50S TO AROUND 60 F
REACHING THE WRN PART OF THE EDWARDS PLATEAU NW OF KDRT. STEEP
MIDLEVEL LAPSE RATES /8-8.5 C PER KM/ ACROSS MUCH OF THE SLIGHT RISK
AREA COMBINED WITH THE MOISTURE RETURN AND SURFACE HEATING WILL
RESULT IN A MODERATELY UNSTABLE ENVIRONMENT /MLCAPE 1500-2000 J PER
KG/.

ASCENT ATTENDANT TO GRADUAL HEIGHT FALLS WITH THE APPROACH OF THE
GREAT BASIN TROUGH AND CONVERGENCE INVOF THE COLD FRONT AND DRY LINE
SHOULD ENCOURAGE TSTM DEVELOPMENT THIS AFTERNOON...GIVEN MODERATE
INSTABILITY AND STEEP LAPSE RATES. STRENGTHENING WLY MIDLEVEL WINDS
ATOP BACKING/SELY LOW LEVEL FLOW WILL RESULT IN A VERTICALLY VEERING
WIND PROFILE AND EFFECTIVE BULK SHEAR OF 40-50 KT. THUS...SUPERCELLS
WILL BE LIKELY WITH HAIL AND DAMAGING WINDS THE PRIMARY THREATS.
HOWEVER...FORECAST SOUNDINGS/HODOGRAPHS SUGGEST THE TORNADO THREAT
CANNOT BE RULED...GIVEN LOW LEVEL DIRECTIONAL SHEAR WHICH SHOULD
INCREASE BY EARLY EVENING...AS SURFACE WINDS UNDERGO FURTHER BACKING
WITH THE APPROACH OF THE COLD FRONT. THERE IS SOME INDICATION THAT
INITIAL ACTIVITY COULD GROW UPSCALE INTO A FORWARD PROPAGATING MCS
ACROSS THE EDWARDS PLATEAU WITH THE SEVERE WEATHER THREAT PERSISTING
THROUGH THE EVENING.

FARTHER NW TO THE N OF THE COLD FRONT...ELEVATED TSTMS WILL BE
POSSIBLE LATER IN THE EVENING AND OVERNIGHT/EARLY WED MORNING AS
FURTHER HEIGHT FALLS AND INCREASING LOW LEVEL WAA SUPPORT
CONVECTION/EMBEDDED TSTMS OVER WEST CENTRAL TX AND POSSIBLY SERN NM.
STEEPENING MIDLEVEL LAPSE RATES AND MODERATE ELEVATED INSTABILITY
WILL SUPPORT MAINLY A HAIL THREAT...SOME REACHING SEVERE VALUES.

...PART OF SOUTH CENTRAL TO SERN AND E TX...
LOW SEVERE HAIL/DAMAGING WIND PROBABILITIES EXTEND E/NEWD ACROSS
SOUTH CENTRAL TO SERN AND PART OF E TX WHERE MODELS SUGGEST LOW
LEVEL MOISTENING AND DIABATIC HEATING WILL DECREASE WEAKER SURFACE
BASED INHIBITION. STORMS MAY DEVELOP IN THIS PART OF THE WARM
SECTOR AS DEEP LAYER ASCENT IS AUGMENTED BY A WEAK SRN STREAM
IMPULSE OR TWO TRACKING ENEWD ACROSS THIS REGION. WEAK INSTABILITY
SHOULD LIMIT THE SEVERE WEATHER THREAT.

..PETERS/COHEN.. 04/02/2013

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DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 020529
SWODY2
SPC AC 020528

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1228 AM CDT TUE APR 02 2013

VALID 031200Z - 041200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
A SHORTWAVE TROUGH WILL MOVE SLOWLY EWD ACROSS THE SRN PLAINS
THROUGH THE PERIOD...BRINGING COOLING ALOFT AND SOME MIDLEVEL
MOISTENING. AT THE SURFACE...HIGH PRESSURE WILL CONTINUE TO BUILD
SWD ACROSS TX...BUT THE COLD FRONT WILL STALL ACROSS THE NRN GULF OF
MEXICO WHERE SURFACE WINDS WILL BE ELY. WITH WARM AND MOIST AIR
ACROSS DEEP S TX MUCH OF THE DAY...A FEW STRONG TO SEVERE STORMS MAY
OCCUR.

OVERNIGHT...A WEAK LOW PRESSURE TROUGH WILL DEVELOP OVER THE WRN
GULF OF MEXICO...AND WILL EXTEND NWD INTO SRN LA WITH THUNDERSTORMS
REDEVELOPING AND POSSIBLY AFFECTING COASTAL AREAS.

..DEEP S TX DURING THE DAY...
MID TO UPPER 60S F BOUNDARY LAYER DEWPOINTS WILL EXIST ACROSS DEEP S
TX FOR MUCH OF THE DAY BEFORE THE COLD FRONT PASSES DURING THE
AFTERNOON. WITH HEATING...INSTABILITY WILL INCREASE BUT CAPPING
AROUND 700 MB WILL LIKELY LIMIT STORM COVERAGE. FORCING FOR ASCENT
WILL BE WEAK AND SHOULD ALSO LIMIT STORM COVERAGE. INCREASING WLY
FLOW WITH HEIGHT AND STEEP LAPSE RATES ALOFT WILL CONDITIONALLY
FAVOR HAIL.

...COASTAL LA AND MS LATE...
RAIN AND STORMS WILL BE ONGOING MUCH OF THE DAY DUE TO WARM
ADVECTION...BUT WILL NOT BE SEVERE. OVERNIGHT...AS THE UPPER TROUGH
APPROACHES...WIND PROFILES WILL STRENGTHEN...AND DEWPOINTS WILL
INCREASE ACROSS SERN LA AND PERHAPS SRN MS. WHILE SOME FORECAST
SOUNDINGS SHOW A SHALLOW STABLE LAYER NEAR THE SURFACE...A FEW
ROTATING STORMS MAY EXIST OVER THE WATER...AND POSSIBLY THREATEN
COASTAL AREAS EARLY THU MORNING.

..JEWELL.. 04/02/2013

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KHNX [020515]: Preliminary Local Storm Report

NWUS56 KHNX 020515
LSRHNX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HANFORD CA
1015 PM PDT MON APR 1 2013

...TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
...DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0853 PM NON-TSTM WND GST 1 NNW MOJAVE 35.07N 118.18W
04/01/2013 M45 MPH KERN CA MESONET

REPORTED AT APRSWXNET STATION AT442

&&

$$

IRIS SYSTEM

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KHNX [020515]: Preliminary Local Storm Report

NWUS56 KHNX 020515
LSRHNX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HANFORD CA
1014 PM PDT MON APR 1 2013

...TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
...DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0840 PM NON-TSTM WND GST 3 N MOJAVE 35.10N 118.19W
04/01/2013 M50 MPH KERN CA MESONET

REPORTED AT MESOWEST STATION UP479

&&

$$

IRIS SYSTEM

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KHNX [020515]: Preliminary Local Storm Report

NWUS56 KHNX 020515
LSRHNX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HANFORD CA
1014 PM PDT MON APR 1 2013

...TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
...DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0955 PM NON-TSTM WND GST 2 NE MOJAVE 35.07N 118.15W
04/01/2013 M51 MPH KERN CA AWOS

REPORTED AT AWOS STATION MHV

&&

$$

IRIS SYSTEM

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KHNX [020514]: Preliminary Local Storm Report

NWUS56 KHNX 020514
LSRHNX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HANFORD CA
1014 PM PDT MON APR 1 2013

...TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
...DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0836 PM NON-TSTM WND GST 2 E MOJAVE 35.06N 118.15W
04/01/2013 M52 MPH KERN CA MESONET

REPORTED AT APRSWXNET STATION AT407

&&

$$

IRIS SYSTEM

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MESO: Mesoscale Discussion 0367

ACUS11 KWNS 020453
SWOMCD
SPC MCD 020452
TXZ000-020545-

MESOSCALE DISCUSSION 0367
NWS STORM PREDICTION CENTER NORMAN OK
1152 PM CDT MON APR 01 2013

AREAS AFFECTED...W-CNTRL INTO PORTIONS OF N-CNTRL AND CNTRL TX

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 020452Z - 020545Z

PROBABILITY OF WATCH ISSUANCE...40 PERCENT

SUMMARY...STORMS MAY TEND TO INCREASE IN AREAL COVERAGE AND
INTENSITY INTO EARLY TUESDAY WITH AN ATTENDANT THREAT FOR HAIL AND
LOCALLY STRONG WIND GUSTS.

DISCUSSION...RECENT TRENDS IN RADAR DATA INDICATE THE
INTENSIFICATION OF A LONG-LIVED TSTM CLUSTER OVER STEPHENS AND
EASTLAND COUNTIES WITH UPSTREAM STORM DEVELOPMENT NOTED ALONG THE
TRAILING COLD POOL AS FAR WEST AS FISHER AND NOLAN COUNTIES. 04Z
MESOANALYSIS SUGGESTS THAT THE STEPHENS/EASTLAND STORM COMPLEX IS
SITUATED AT THE NEXUS OF A W-E ORIENTED BOUNDARY THAT EXTENDS EWD
THROUGH THE METROPLEX...AND A WARM FRONT THAT EXTENDS SEWD TO N OF
ACT. PREFERRED STORM PROPAGATION APPEARS TO BE ALONG THE WARM
FRONT.

LOCAL VAD DATA SHOW THAT A SLY NOCTURNAL LOW-LEVEL WIND MAXIMUM IS
IN IT/S FORMATIVE STAGES WITH 30-35 KT FLOW NOW OBSERVED IN THE
1.0-1.5 KM AGL LEVEL AT THE SAN ANGELO...FORT WORTH...AND THE CNTRL
TX RADAR SITES. THIS FEATURE IS FORECAST TO STRENGTHEN
FURTHER...ENHANCING LOW-LEVEL MOISTURE TRANSPORT INTO REGION OF
DEVELOPING/RE-INTENSIFYING STORMS. THIS PROCESS WILL OCCUR BENEATH
A PLUME OF STEEP MIDLEVEL LAPSE RATES /REF. 00Z SOUNDINGS/...
RESULTING IN AIR MASS DESTABILIZATION OVERNIGHT. GIVEN THE PRESENCE
OF 40-50 KT OF DEEP LAYER SHEAR...THE POTENTIAL WILL EXIST FOR
ORGANIZED STORM MODES...INCLUDING SUPERCELLS WITH A RISK FOR LARGE
HAIL AND DAMAGING WIND GUSTS.

SHOULD STORMS CONTINUE TO INTENSIFY AND INCREASE IN AREAL
COVERAGE...A WATCH MAY BECOME NECESSARY.

..MEAD.. 04/02/2013

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...FWD...EWX...SJT...MAF...

LAT...LON 31860159 32640118 32869974 32939813 32789746 31739683
31159712 30879742 31039908 31530084 31860159

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KLUB [020435]: Preliminary Local Storm Report

NWUS54 KLUB 020435
LSRLUB

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LUBBOCK TX
1134 PM CDT MON APR 01 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0510 PM HAIL 4 ESE SILVERTON 34.45N 101.24W
04/01/2013 M2.00 INCH BRISCOE TX STORM CHASER


&&

EVENT NUMBER LUB1300180

$$

FB

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KSJT [020421]: Preliminary Local Storm Report

NWUS54 KSJT 020421
LSRSJT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
1121 PM CDT MON APR 01 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0835 PM HAIL HASKELL 33.16N 99.73W
04/01/2013 E0.88 INCH HASKELL TX NEWSPAPER

STAMFORD AND HASKELL STAR NEWSPAPER REPORTED NICKEL
SIZE HAIL IN HASKELL.


&&

EVENT NUMBER SJT1300129

$$

SN

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