KBMX [160326]: Preliminary Local Storm Report

NWUS54 KBMX 160326
LSRBMX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1026 PM CDT TUE SEP 15 2009

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

0945 PM TSTM WND DMG LOWNDESBORO 32.28N 86.61W
09/15/2009 LOWNDES AL EMERGENCY MNGR

SPORADIC TREES DOWN ALONG COUNTY ROAD 23, COUNTY ROAD 26,
AND COUNTY ROAD 37 IN LOWNDES COUNTY.

&&

$$

GRANTHAM

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KMOB [160326]: Preliminary Local Storm Report

NWUS54 KMOB 160326
LSRMOB

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
1025 PM CDT TUE SEP 15 2009

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

0900 PM TSTM WND DMG LUVERNE 31.72N 86.26W
09/15/2009 CRENSHAW AL PUBLIC

TWO TREES DOWN ON US 331 BETWEEN MILE MARKERS 62 AND 64.

&&

$$

EJ

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KJAN [160318]: Preliminary Local Storm Report...summary

NWUS54 KJAN 160318
LSRJAN

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
1018 PM CDT TUE SEP 15 2009

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

0413 PM FLASH FLOOD 2 SSW EUDORA 33.09N 91.28W
09/15/2009 CHICOT AR EMERGENCY MNGR

6 HOMES FLOODING SOUTH OF EUDORA NEAR THE INDIAN POINT
COMMUNITY. SANDBAGGING IN PROGRESS.

0426 PM FLASH FLOOD ITTA BENA 33.50N 90.32W
09/15/2009 LEFLORE MS EMERGENCY MNGR

2 REPORTS OF HOMES FLOODED JUST RECEIVED BY EMERGENCY
MANAGEMENT.

0430 PM FLASH FLOOD ITTA BENA 33.50N 90.32W
09/15/2009 LEFLORE MS EMERGENCY MNGR

WATER IN SEVERAL HOUSES

0430 PM FLASH FLOOD EUDORA 33.12N 91.26W
09/15/2009 CHICOT AR EMERGENCY MNGR

WATER INSIDE 30 HOMES. ALL MAJOR HIGHWAYS HAVE OVER 2
FEET OF WATER ON THE ROADS. WIDESPREAD STREET FLOODING IN
THE CITY.

0500 PM FLASH FLOOD SCHLATER 33.64N 90.35W
09/15/2009 LEFLORE MS EMERGENCY MNGR

STREET CAVED IN DUE TO EROSION FROM FLOODING

0600 PM LIGHTNING ARCOLA 33.27N 90.88W
09/15/2009 WASHINGTON MS FIRE DEPT/RESCUE

HOUSE BURNED DOWN AFTER BEING STRUCK BY LIGHTNING

&&

$$

BURSE

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KJAN [160316]: Preliminary Local Storm Report

NWUS54 KJAN 160316
LSRJAN

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1016 PM CDT TUE SEP 15 2009

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

0600 PM LIGHTNING ARCOLA 33.27N 90.88W
09/15/2009 WASHINGTON MS FIRE DEPT/RESCUE

HOUSE BURNED DOWN AFTER BEING STRUCK BY LIGHTNING

&&

$$

BURSE

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KMOB [160305]: Preliminary Local Storm Report

NWUS54 KMOB 160305
LSRMOB

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
1004 PM CDT TUE SEP 15 2009

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

0915 PM FLASH FLOOD RUTLEDGE 31.73N 86.31W
09/15/2009 CRENSHAW AL EMERGENCY MNGR

CHICKEN HOUSES FLOODED OFF CR77 NEAR RUTLEDGE. PORTIONS
OF STATE HWY 10 NEAR RUTLEDGE CLOSED DUE TO FLOODING.
SOME HOMES FLOODED IN RUTLEDGE AREA.

&&

$$

EJ

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KPUB [160031]: Preliminary Local Storm Report

NWUS55 KPUB 160031
LSRPUB

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PUEBLO CO
631 PM MDT TUE SEP 15 2009

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

0550 PM HEAVY RAIN AIR FORCE ACADEMY 38.98N 104.86W
09/15/2009 M1.50 INCH EL PASO CO OTHER FEDERAL

STARTED 405 PM.

&&

$$

JKH

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KSGF [160026]: Preliminary Local Storm Report

NWUS53 KSGF 160026
LSRSGF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
726 PM CDT TUE SEP 15 2009

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

0600 PM FLASH FLOOD 4 ESE COUCH 36.58N 91.33W
09/15/2009 OREGON MO DEPT OF HIGHWAYS

STATE ROUTE E FLOODED. TIME ESTIMATED. REPORT FROM THE
MODOT WEB PAGE.

&&

$$

DSA

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 160024
SWODY1
SPC AC 160021

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0721 PM CDT TUE SEP 15 2009

VALID 160100Z - 161200Z

...NO SVR TSTM AREAS FORECAST...

...CNTRL/SRN ROCKIES AND HIGH PLNS...
UPR LOW OVER CNTRL UT WILL REMAIN QSTNRY TONIGHT. SYSTEM HAS
MAINTAINED AN ELY UPSLOPE COMPONENT TO THE LLVL FLOW ALONG THE HIGH
PLNS WITH MODEST AMOUNTS OF MOISTURE COINCIDENT WITH STEEP MID-LVL
LAPSE RATES. ISOLD STG-PULSE SVR TYPE STORMS DEVELOPED ACROSS THE
ERN CO MOUNTAINS AND NERN NM MESAS LATE THIS AFTN WITH BANDS OF
TSTMS LOCATED ALONG ERN EDGE OF THE UPR LOW OVER WRN CO. EXPECT A
REPORT OR TWO OF LARGE HAIL AND/OR GUSTY WINDS WILL ACCOMPANY TSTMS
THROUGH MID-EVENING BEFORE AN OVERALL DECREASE IN INTENSITY
COMMENCES.

..RACY.. 09/16/2009

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KCYS [160011]: Preliminary Local Storm Report

NWUS55 KCYS 160011
LSRCYS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
611 PM MDT TUE SEP 15 2009

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

0609 PM HAIL 9 WSW CHEYENNE 41.10N 104.95W
09/15/2009 M0.25 INCH LARAMIE WY NWS EMPLOYEE

&&

$$

AAH

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KJAN [152339]: Preliminary Local Storm Report

NWUS54 KJAN 152339
LSRJAN

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
639 PM CDT TUE SEP 15 2009

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

0430 PM FLASH FLOOD EUDORA 33.12N 91.26W
09/15/2009 CHICOT AR EMERGENCY MNGR

WATER INSIDE 30 HOMES. ALL MAJOR HIGHWAYS HAVE OVER 2
FEET OF WATER ON THE ROADS. WIDESPREAD STREET FLOODING IN
THE CITY.

&&

$$

BURSE

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KCYS [152339]: Preliminary Local Storm Report

NWUS55 KCYS 152339
LSRCYS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
539 PM MDT TUE SEP 15 2009

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

0520 PM HAIL CHEYENNE 41.15N 104.79W
09/15/2009 M0.25 INCH LARAMIE WY NWS EMPLOYEE

1/4 TO 3/8 INCH HAIL FROM 510 TO 520 PM.

&&

$$

AAH

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KJAN [152335]: Preliminary Local Storm Report

NWUS54 KJAN 152335
LSRJAN

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
635 PM CDT TUE SEP 15 2009

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

0430 PM FLASH FLOOD ITTA BENA 33.50N 90.32W
09/15/2009 LEFLORE MS EMERGENCY MNGR

WATER IN SEVERAL HOUSES

&&

$$

BURSE

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KJAN [152333]: Preliminary Local Storm Report

NWUS54 KJAN 152333
LSRJAN

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
633 PM CDT TUE SEP 15 2009

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

0500 PM FLASH FLOOD SCHLATER 33.64N 90.35W
09/15/2009 LEFLORE MS EMERGENCY MNGR

STREET CAVED IN DUE TO EROSION FROM FLOODING

&&

$$

BURSE

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MESO: Mesoscale Discussion 2020

ACUS11 KWNS 152314
SWOMCD
SPC MCD 152314
NMZ000-160045-

MESOSCALE DISCUSSION 2020
NWS STORM PREDICTION CENTER NORMAN OK
0614 PM CDT TUE SEP 15 2009

AREAS AFFECTED...NERN NM

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 152314Z - 160045Z

THE THREAT FOR ISOLATED SEVERE STORMS CAPABLE OF HAIL AND LOCALLY
STRONG WIND GUSTS WILL CONTINUE THROUGH THIS EVENING. A WW IS NOT
ANTICIPATED.

TSTMS WHICH INITIATED EARLIER ALONG THE RATON MESA HAVE RECENTLY
INTENSIFIED OVER SERN COLFAX COUNTY WITH ADDITION STORM DEVELOPMENT
OCCURRING OVER WRN HARDING COUNTY AS OF 23Z. RUC PROXIMITY
SOUNDINGS FOR THIS AREA INDICATE THAT THE BOUNDARY LAYER IS NOT
OVERLY MOIST /LOWEST 100 MB MEAN MIXING RATIO OF 8-8.5 G PER KG/.
HOWEVER...ENVIRONMENT FEATURES STEEP LOW TO MIDLEVEL LAPSE RATES
WHICH WERE CONTRIBUTING TO MLCAPE OF 500-1000 J/KG. WHILE
DEEP-LAYER BULK SHEAR MAGNITUDES REMAIN LESS THAN 30 KT /PER TCC
PROFILER/...THE PRESENCE OF THE STEEP LAPSE RATES MAY SERVE TO
MAINTAIN A FEW STRONGER STORMS CAPABLE OF MARGINALLY SEVERE HAIL
AND/OR STRONG WIND GUSTS. THIS SEVERE THREAT SHOULD DIMINISH BY
03-04Z AS BOUNDARY LAYER BEGINS TO COOL/STABILIZE.

..MEAD.. 09/15/2009

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

ATTN...WFO...ABQ...

LAT...LON 34580489 35740525 36640512 36760462 36720369 35900324
34990318 34370355 34290433 34580489

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KCHS [152245]: Preliminary Local Storm Report

NWUS52 KCHS 152245
LSRCHS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
644 PM EDT TUE SEP 15 2009

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

0600 PM HIGH ASTR TIDES CHARLESTON 32.78N 79.94W
09/15/2009 CHARLESTON SC OTHER FEDERAL

NOS TIDE GAGE IN CHARLESTON HARBOR REACHED 7.33 FT MLLW
DURING THE HIGH TIDE. SHALLOW COASTAL FLOODING TYPICALLY
BEGINS WHEN TIDES REACH 7.0 FT MLLW.

0600 PM HIGH ASTR TIDES 3 WNW TYBEE ISLAND 32.03N 80.91W
09/15/2009 CHATHAM GA OTHER FEDERAL

NOS TIDE GAGE AT FORT PULASKI REACHED 9.05 FT MLLW DURING
THE HIGH TIDE. SHALLOW COASTAL FLOODING TYPICALLY BEGINS
WHEN TIDES REACH 9.2 FT MLLW.

0603 PM HIGH ASTR TIDES CHARLESTON 32.78N 79.94W
09/15/2009 CHARLESTON SC PUBLIC

CHARLESTON PILOT BOAT OFFICE REPORTS A COUPLE OF INCHES
OF STANDING SALT WATER IN THEIR PARKING LOT ON CONCORD
STREET.

0609 PM HIGH ASTR TIDES CHARLESTON 32.78N 79.94W
09/15/2009 CHARLESTON SC COAST GUARD

REPORT OF SALT WATER FROM THE ASHLEY RIVER UP TO...BUT
NOT ONTO LOCKWOOD DRIVE.

0610 PM HIGH ASTR TIDES CHARLESTON 32.78N 79.94W
09/15/2009 CHARLESTON SC PUBLIC

4 INCHES OF SALT WATER ON THE SIDES OF THE ROAD AT THE
INTERSECTION OF CALHOUN STREET AND COURTNEY STREET.

&&

$$

33

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KMEG [152243]: Preliminary Local Storm Report

NWUS54 KMEG 152243
LSRMEG

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TN
543 PM CDT TUE SEP 15 2009

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

0300 PM FLASH FLOOD 1 N GREENFIELD 35.70N 90.72W
09/15/2009 POINSETT AR TRAINED SPOTTER

ESTIMATED SIX INCHES OF WATER ON RESIDENTIAL PROPERTIES
NEAR THE CRAIGHEAD AND POINSETT COUNTY LINES. HOMES
RECEIVED MINOR INDOOR FLOODING.

&&

$$

JAB

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KPUB [152228]: Preliminary Local Storm Report

NWUS55 KPUB 152228
LSRPUB

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PUEBLO CO
428 PM MDT TUE SEP 15 2009

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

0409 PM HAIL 2 S AIR FORCE ACADEMY 38.95N 104.87W
09/15/2009 M1.50 INCH EL PASO CO TRAINED SPOTTER

&&

$$

MW

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KSLC [152201]: Preliminary Local Storm Report

NWUS55 KSLC 152201
LSRSLC

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
400 PM MDT TUE SEP 15 2009

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

0445 PM FLASH FLOOD 18 W BIG WATER 37.07N 111.99W
09/14/2009 KANE UT OFFICIAL NWS OBS

GAGE ON THE PARIA RIVER AT US HIGHWAY 89. READING WENT
FROM 3 CFS TO 4419 CFS IN 15 MINUTES. PEAK FLOW ESTIMATED
AT 7328 CFS ONE HOUR LATER.

&&

$$

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KJAN [152127]: Preliminary Local Storm Report

NWUS54 KJAN 152127
LSRJAN

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
427 PM CDT TUE SEP 15 2009

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

0426 PM FLASH FLOOD ITTA BENA 33.50N 90.32W
09/15/2009 LEFLORE MS EMERGENCY MNGR

2 REPORTS OF HOMES FLOODED JUST RECEIVED BY EMERGENCY
MANAGEMENT.

&&

$$

AEG

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KJAN [152114]: Preliminary Local Storm Report

NWUS54 KJAN 152114
LSRJAN

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
414 PM CDT TUE SEP 15 2009

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

0413 PM FLASH FLOOD 2 SSW EUDORA 33.09N 91.28W
09/15/2009 CHICOT AR EMERGENCY MNGR

6 HOMES FLOODING SOUTH OF EUDORA NEAR THE INDIAN POINT
COMMUNITY. SANDBAGGING IN PROGRESS.

&&

$$

AEG

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MESO: Mesoscale Discussion 2019

ACUS11 KWNS 152004
SWOMCD
SPC MCD 152004
ARZ000-LAZ000-TXZ000-152230-

MESOSCALE DISCUSSION 2019
NWS STORM PREDICTION CENTER NORMAN OK
0304 PM CDT TUE SEP 15 2009

AREAS AFFECTED...WESTERN AR/EXTREME NORTHEAST TX/NORTHERN LA

CONCERNING...HEAVY RAINFALL

VALID 152004Z - 152230Z

THREAT FOR LOCALLY HEAVY RAINFALL...WITH RATES OF 1+ IN/HR
POSSIBLE...MAY INCREASE ESPECIALLY ACROSS WESTERN AR/EXTREME
NORTHEAST TX/NORTHERN LA INTO THE EVENING.

NEARLY VERTICALLY STACKED CYCLONE CONTINUES TO SLOWLY MOVE OVER THE
ARKLATEX...WITH THE SURFACE REFLECTION OF THE LOW CENTERED ALONG THE
AR/LA BORDER THIS AFTERNOON. SURFACE ANALYSIS TRENDS IMPLY A MODEST
INCREASE IN LOW LEVEL CONVERGENCE ACROSS WESTERN AR VIA AN INVERTED
TROUGH/CONFLUENCE AXIS ON THE IMMEDIATE NNW SIDE OF THE SURFACE LOW.
AS A VERY MOIST INFLUX CONTINUES INTO THE REGION...WITH GPS DERIVED
PW VALUES ABOVE 2 INCHES...IT IS CONCEIVABLE THAT A QUASI-FOCUSED
AREA OF HEAVY RAINFALL/ENHANCED POTENTIAL FOR ECHO TRAINING MAY
MATERIALIZE ACROSS WESTERN AR/FAR NORTHERN LA/EXTREME NORTHEAST TX
IN VICINITY OF THE AFOREMENTIONED SURFACE TROUGH/CONFLUENCE ZONE.

..GUYER.. 09/15/2009

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

ATTN...WFO...LZK...SHV...TSA...

LAT...LON 35959340 36029276 35069238 32669290 33089433 34739436
35959340

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 151927
SWODY1
SPC AC 151925

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0225 PM CDT TUE SEP 15 2009

VALID 152000Z - 161200Z

...NO SVR TSTM AREAS FORECAST...

...ERN GREAT BASIN TO SRN HIGH PLAINS...

SCATTERED THUNDERSTORMS DEVELOPING FROM UT THROUGH CO AND NM MAY
BECOME CAPABLE OF PRODUCING ISOLATED HAIL AND DOWNBURSTS THIS
AFTERNOON...BUT THREAT IS TOO MARGINAL TO WARRANT MORE THAN 5%
SEVERE PROBABILITIES. SEE PREVIOUS DISCUSSION FOR FURTHER DETAILS.

...LOWER MS VALLEY...

THIS AFTERNOON AT LEAST A COUPLE OF WEAK CONVERGENCE BOUNDARIES
EXTENDS FROM A SURFACE LOW OVER SERN AR THROUGH CNTRL AND SRN MS
INTO SWRN AL. NUMEROUS SHOWERS AND THUNDERSTORMS ARE DEVELOPING IN
THE WEAKLY CAPPED MOIST WARM SECTOR ACROSS MUCH THE GULF COASTAL
STATES WHERE THE BOUNDARY LAYER HAS BEEN DESTABILIZED BY DIABATIC
WARMING. VWP DATA CONTINUES TO INDICATE SUBSTANTIAL 0-1 KM VEERING
ALONG AND NORTH OF THE SURFACE BOUNDARIES...BUT HODOGRAPH SIZE WILL
REMAIN SMALL DUE TO WEAK WINDS IN THE 0-3 KM LAYER. SOME TRANSIENT
WEAK UPDRAFT ROTATION HAS BEEN OBSERVED WITH A FEW CELLS. WILL
MAINTAIN LOW END PROBABILITIES FOR A BRIEF ISOLATED TORNADO THIS
AFTERNOON. AN ISOLATED WET MICROBURST OR TWO ALSO CANNOT BE RULED
OUT...BUT OVERALL THREAT WILL REMAIN QUITE LIMITED.

..DIAL.. 09/15/2009

.PREV DISCUSSION... /ISSUED 1113 AM CDT TUE SEP 15 2009/

...ERN GREAT BASIN TO SRN HIGH PLAINS...
AS EXPECTED UPPER LOW HAS DEVELOPED OVER CENTRAL UT AND WITH
BLOCKING PATTERN IN PLACE WILL DRIFT SEWD ACROSS UT. GIVEN COLD
NATURE OF LOW AND A RELATIVELY MOIST AIR MASS WITHIN ITS
CIRCULATION...PRIMARILY DIURNAL SHOWERS/THUNDERSHOWERS WILL BE
COMMON. WITH GENERALLY WEAK SHEAR AND MLCAPES NOT MUCH ABOVE 500
J/KG BY MID AFTERNOON...SEVERE POTENTIAL WILL BE LIMITED TO ISOLATED
HAIL AND LOCALIZED DOWNBURST WINDS ASSOCIATED WITH STRONGEST
UPDRAFTS. THIS REGIME WILL EXTEND EWD ACROSS SRN CO/NRN NM INTO
ADJACENT SRN HIGH PLAINS.

...LOWER MS VALLEY...
REF MCD 2017
ANOTHER DAY OF THE WEAK UPPER LOW SURFACE AND ALOFT DRIFTING SLOWLY
NEWD AND LOCATED THIS MORNING VICINITY SWRN AR/NRN LA BORDER. AIR
MASS CONTINUES VERY MOIST/TROPICAL IN NATURE ACROSS THE LOWER MS
VALLEY TO E OF THIS CIRCULATION...HOWEVER THE SHEAR PROFILES REMAIN
MARGINAL TO SUPPORT ANY ORGANIZATION TO THE EXPECTED WIDESPREAD
DIURNALLY DRIVEN CONVECTION/THUNDERSTORMS. THERE WILL BE SOME
ENHANCED LOW LEVEL SHEAR VICINITY SUBTLE BOUNDARY/WEAK WARM FRONT
THAT EXTENDS NW/SE ACROSS CENTRAL MS. THIS WOULD BE A MOST FAVORED
REGION FOR ROTATING UPDRAFTS AND AN ISOLATED TORNADO THREAT.
HOWEVER THERE WILL ALSO BE POTENTIAL FOR BRIEF ROTATION AND/OR WET
MICRO BURST COASTAL REGIONS OF MS TO FL PANHANDLE GIVEN THE 15-20KT
OF LOW LEVEL SHEAR AND INTERACTION WITH THE GULF SEA BREEZE.

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KSHV [151921]: Preliminary Local Storm Report

NWUS54 KSHV 151921
LSRSHV

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
221 PM CDT TUE SEP 15 2009

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

0330 PM FLASH FLOOD JEFFERSON 32.76N 94.35W
09/14/2009 MARION TX NEWSPAPER

SEVERAL BUSINESSES DOWNTOWN WERE FLOODED.

&&

$$

24

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MESO: Mesoscale Discussion 2018

ACUS11 KWNS 151846
SWOMCD
SPC MCD 151846
COZ000-UTZ000-152015-

MESOSCALE DISCUSSION 2018
NWS STORM PREDICTION CENTER NORMAN OK
0146 PM CDT TUE SEP 15 2009

AREAS AFFECTED...ERN UT AND WRN CO

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 151846Z - 152015Z

MARGINALLY SEVERE HAIL AND ISOLATED DAMAGING WIND GUSTS MAY BE
POSSIBLE WITH STORMS OCCURRING OVER ERN UT AND WRN CO. THE SEVERE
WEATHER THREAT APPEARS TO BE TOO MARGINAL TO JUSTIFY A WW AT THIS
TIME.

A COLD CORE UPPER LEVEL LOW WAS LOCATED AT 18Z OVER CENTRAL-S
CENTRAL UT...AND IS FORECAST TO DRIFT SLOWLY SSEWD THROUGH THE
AFTERNOON AND INTO THE EVENING. LARGE SCALE ASCENT PRESENT ENE OF
THE UPPER LOW COMBINED WITH STRONG DAYTIME HEATING/BOUNDARY LAYER
DESTABILIZATION IS AIDING IN THUNDERSTORM DEVELOPMENT AND INCREASING
COVERAGE OVER PORTIONS OF ERN UT AND WRN CO. ONE STORM MOVING NEWD
FROM SAN MIGUEL COUNTY INTO MONTROSE COUNTY COLORADO HAS RECENTLY
DISPLAYED DEVIANT RIGHTWARD MOTION /COMPARED TO SURROUNDING CELLS/
ALONG WITH WEAK MID LEVEL UPDRAFT ROTATION. EFFECTIVE BULK SHEAR
VALUES ACROSS THE REGION ARE AROUND 30-35 KT AND MID LEVEL LAPSE
RATES RESIDE NEAR 8 C/KM...WHICH SUGGESTS THAT ADDITIONAL STORM
ACTIVITY MAY ACQUIRE BRIEF SUPERCELLULAR ORGANIZATION...POSING A
THREAT OF MARGINALLY SEVERE HAIL GIVEN THE COOL MID LEVEL AIRMASS.
STEEPENING LOW LEVEL LAPSE RATES/DRY BOUNDARY LAYER MAY ALSO AID IN
AN ISOLATED THREAT FOR DAMAGING DOWNBURST WINDS DURING THE REMAINDER
OF THE AFTERNOON.

..GARNER.. 09/15/2009

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

ATTN...WFO...GJT...SLC...

LAT...LON 37601131 38601181 39771165 40621031 40700866 40040758
38970725 37770760 37400876 37331044 37601131

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KPIH [151821]: Preliminary Local Storm Report

NWUS55 KPIH 151821
LSRPIH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO
1220 PM MDT TUE SEP 15 2009

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

1219 PM HEAVY RAIN 1 SSE PRESTON 42.09N 111.87W
09/15/2009 M0.53 INCH FRANKLIN ID TRAINED SPOTTER

24 HOUR STORM TOTAL RAINFALL

&&

$$

JKEYES

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DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 151711
SWODY2
SPC AC 151709

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1209 PM CDT TUE SEP 15 2009

VALID 161200Z - 171200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...

PRIMARY FEATURES OF INTEREST THIS PERIOD WILL CONTINUE TO BE THE
UPPER LOW CIRCULATIONS CURRENTLY OVER UT AND THE LOWER MS VALLEY.
THESE FEATURES WILL REMAIN CUTOFF FROM BELT OF STRONGER WLYS AND AS
A RESULT WILL MOVE VERY SLOWLY.

...SRN ROCKIES AREA...

MODEL CONSENSUS IS THAT CUTOFF UPPER LOW NOW OVER UT WILL DRIFT SWD
INTO ERN AZ WEDNESDAY. LAPSE RATES WILL STEEPEN AS DIABATIC HEATING
COMMENCES DURING THE DAY. HOWEVER...LIMITED BOUNDARY LAYER MOISTURE
WILL RESULT IN MLCAPE AOB 500 J/KG FROM PARTS OF NM THROUGH NERN AZ.
STORMS SHOULD REDEVELOP AS THE ATMOSPHERE DESTABILIZES...ESPECIALLY
OVER THE HIGHER TERRAIN WITHIN ZONE OF DEEPER ASCENT EAST AND NORTH
OF UPPER LOW CENTER. STEEP LAPSE RATES AND INVERTED-V BOUNDARY
LAYERS WILL PROMOTE A RISK FOR HAIL AND ISOLATED STRONG GUSTY WINDS.
OVERALL THREAT WILL BE LIMITED BY MARGINAL INSTABILITY AND VERTICAL
SHEAR.

...LOWER MS VALLEY THROUGH CNTRL GULF COAST REGION...

ENVIRONMENT IN THIS REGION WILL REMAIN SIMILAR TO PREVIOUS SEVERAL
DAYS WITH A WEAK BOUNDARY EXTENDING SEWD THROUGH THE GULF COASTAL
STATES FROM A WEAK SURFACE LOW OVER THE LOWER MS VALLEY. BAROTROPIC
NATURE OF THE WEAK UPPER LOW WILL LIMIT VERTICAL SHEAR IN THIS
REGION. HOWEVER...VEERING LOW LEVEL WINDS IN VICINITY OF THE SURFACE
BOUNDARY MAY CONTRIBUTE TO A LOW END THREAT FOR AN ISOLATED BRIEF
TORNADO AS STORMS LIFT NWD AND INTERACT WITH THIS BOUNDARY. ISOLATED
STRONG WIND GUSTS WILL ALSO REMAIN POSSIBLE WITH THE STRONGER CORES.

..DIAL.. 09/15/2009

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 151616
SWODY1
SPC AC 151613

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1113 AM CDT TUE SEP 15 2009

VALID 151630Z - 161200Z

...NO SVR TSTM AREAS FORECAST...

...ERN GREAT BASIN TO SRN HIGH PLAINS...
AS EXPECTED UPPER LOW HAS DEVELOPED OVER CENTRAL UT AND WITH
BLOCKING PATTERN IN PLACE WILL DRIFT SEWD ACROSS UT. GIVEN COLD
NATURE OF LOW AND A RELATIVELY MOIST AIR MASS WITHIN ITS
CIRCULATION...PRIMARILY DIURNAL SHOWERS/THUNDERSHOWERS WILL BE
COMMON. WITH GENERALLY WEAK SHEAR AND MLCAPES NOT MUCH ABOVE 500
J/KG BY MID AFTERNOON...SEVERE POTENTIAL WILL BE LIMITED TO ISOLATED
HAIL AND LOCALIZED DOWNBURST WINDS ASSOCIATED WITH STRONGEST
UPDRAFTS. THIS REGIME WILL EXTEND EWD ACROSS SRN CO/NRN NM INTO
ADJACENT SRN HIGH PLAINS.

...LOWER MS VALLEY...
REF MCD 2017
ANOTHER DAY OF THE WEAK UPPER LOW SURFACE AND ALOFT DRIFTING SLOWLY
NEWD AND LOCATED THIS MORNING VICINITY SWRN AR/NRN LA BORDER. AIR
MASS CONTINUES VERY MOIST/TROPICAL IN NATURE ACROSS THE LOWER MS
VALLEY TO E OF THIS CIRCULATION...HOWEVER THE SHEAR PROFILES REMAIN
MARGINAL TO SUPPORT ANY ORGANIZATION TO THE EXPECTED WIDESPREAD
DIURNALLY DRIVEN CONVECTION/THUNDERSTORMS. THERE WILL BE SOME
ENHANCED LOW LEVEL SHEAR VICINITY SUBTLE BOUNDARY/WEAK WARM FRONT
THAT EXTENDS NW/SE ACROSS CENTRAL MS. THIS WOULD BE A MOST FAVORED
REGION FOR ROTATING UPDRAFTS AND AN ISOLATED TORNADO THREAT.
HOWEVER THERE WILL ALSO BE POTENTIAL FOR BRIEF ROTATION AND/OR WET
MICRO BURST COASTAL REGIONS OF MS TO FL PANHANDLE GIVEN THE 15-20KT
OF LOW LEVEL SHEAR AND INTERACTION WITH THE GULF SEA BREEZE.

..HALES/GARNER.. 09/15/2009

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MESO: Mesoscale Discussion 2017

ACUS11 KWNS 151614
SWOMCD
SPC MCD 151614
FLZ000-ALZ000-MSZ000-LAZ000-151815-

MESOSCALE DISCUSSION 2017
NWS STORM PREDICTION CENTER NORMAN OK
1114 AM CDT TUE SEP 15 2009

AREAS AFFECTED...CENTRAL/SOUTHERN MS AND SOUTHERN AL/WESTERN FL
PANHANDLE

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 151614Z - 151815Z

POTENTIAL FOR ISOLATED WIND DAMAGE AND PERHAPS A BRIEF TORNADO MAY
GRADUALLY INCREASE THROUGH EARLY AFTERNOON ACROSS CENTRAL/SOUTHERN
MS AND SOUTHERN AL/ADJACENT FL PANHANDLE. LIMITED/MARGINAL NATURE OF
THE RISK IS CURRENTLY EXPECTED TO PRECLUDE A WATCH ISSUANCE.

AS A VERTICALLY STACKED LOW CONTINUES TO REMAIN QUASI-STATIONARY
ACROSS THE ARKLATEX VICINITY...SHOWERS/TSTMS HAVE INCREASED OVER THE
PAST FEW HOURS IN THE WARM/VERY MOIST AND WEAKLY CAPPED WARM SECTOR
ACROSS SOUTHEAST LA AND THE SOUTHERN PORTIONS OF MS/AL. 12Z OBSERVED
RAOBS AND MORE CONTEMPORARY WSR-88D DERIVED WINDS ONLY REFLECT
MODEST LOW LEVEL SRH /UP TO 100 MS PER S2/ WITH RESPECT TO UPDRAFT
ROTATION. NONETHELESS...WITHIN A VERY MOIST AIRMASS...THIS COULD BE
SUFFICIENT FOR A BRIEF TORNADO OR WIND DAMAGE...PERHAPS FAVORED
ALONG A NW-SE AXIS COINCIDENT WITH A SUBTLE WARM/DIFFERENTIAL
HEATING FRONT ACROSS SOUTHERN MS/AL...WHERE LOW LEVEL FLOW IS
MODESTLY BACKED. WHILE WEAK LAPSE RATES ALOFT AND WEAK DEEP LAYER
TROPOSPHERIC FLOW WILL BE LIMITING FACTORS...A FEW SEVERE STORMS
CAPABLE OF WIND DAMAGE/PERHAPS A BRIEF TORNADO WILL BE POSSIBLE
THROUGH THE AFTERNOON INTO EARLY EVENING.

..GUYER.. 09/15/2009

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

ATTN...WFO...TAE...BMX...MOB...JAN...LIX...

LAT...LON 33409043 32058689 30668638 30188840 30708960 31859064
33409043

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KGGW [151441]: Preliminary Local Storm Report...summary

NWUS55 KGGW 151441
LSRGGW

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE GLASGOW MT
841 AM MDT TUE SEP 15 2009

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

0530 PM HAIL CROW ROCK 46.91N 106.07W
09/13/2009 E1.00 INCH PRAIRIE MT PUBLIC

STORM PRODUCED QUARTER SIZE HAIL AND DAMAGED A PICK UP
TRUCK ON THE PROPERTY.

0545 PM HAIL 2 S CROW ROCK 46.88N 106.07W
09/13/2009 E0.75 INCH PRAIRIE MT PUBLIC

0631 PM HAIL 11 SW MILDRED 46.56N 105.12W
09/13/2009 E1.75 INCH PRAIRIE MT TRAINED SPOTTER

GOLFBALL SIZED HAIL AND SMALLER

0640 PM HAIL 13 N TERRY 46.98N 105.31W
09/13/2009 E1.75 INCH DAWSON MT TRAINED SPOTTER

0650 PM HAIL 10 N TERRY 46.94N 105.31W
09/13/2009 E1.75 INCH PRAIRIE MT PUBLIC

0700 PM HAIL 2 SE MILDRED 46.66N 104.93W
09/13/2009 E1.25 INCH PRAIRIE MT PUBLIC

MOSTLY PENNY SIZED HAIL BUT MIXED WITH QUARTER AND HALF
DOLLAR SIZED HAIL

0707 PM HAIL 13 SSW LINDSAY 47.04N 105.26W
09/13/2009 E1.75 INCH DAWSON MT TRAINED SPOTTER

GOLFBALL SIZED HAIL MIXED WITH NICKEL AND DIME SIZED

0720 PM HAIL 11 NE MILDRED 46.79N 104.79W
09/13/2009 E1.00 INCH PRAIRIE MT PUBLIC

MOSTLY NICKEL WITH SOME QUARTER SIZED HAIL MIXED IN

0750 PM HAIL 11 N JORDAN 47.48N 106.91W
09/13/2009 E1.75 INCH GARFIELD MT PUBLIC

MOSTLY PEA SIZED HAIL WITH A FEW GOLFBALL SIZED HAIL
STONES

0805 PM HAIL 8 N LINDSAY 47.33N 105.15W
09/13/2009 E0.75 INCH DAWSON MT TRAINED SPOTTER

1.75IN OF RAINFALL IN 15 MINUTES

0830 PM HAIL 12 N LINDSAY 47.39N 105.15W
09/13/2009 E1.00 INCH DAWSON MT PUBLIC

HAIL DAMAGED HEADS ON WHEAT CROP.

0910 PM HAIL 5 S LINDSAY 47.15N 105.15W
09/13/2009 E1.00 INCH DAWSON MT TRAINED SPOTTER

HAIL STONES CAUSED DENTS ON AN EXPOSED CAMPER. RAINFALL
WAS MEASURED AT 1.4 INCHES. RUN OFF FROM RAIN FILLED
DITCHES AND ALMOST FILLED A DAM ON THE PROPERTY.

0925 PM HAIL 7 N LINDSAY 47.32N 105.15W
09/13/2009 E1.50 INCH DAWSON MT AIRPLANE PILOT

NEARLY 2 INCHES OF RAIN MIXED WITH WALNUT SIZED
HAILSTONES AND SMALLER.

1000 PM HAIL 7 N LINDSAY 47.32N 105.15W
09/13/2009 E1.50 INCH DAWSON MT AIRPLANE PILOT

MIXTURE OF HAILSTONES WALNUT SIZED AND SMALLER.

1005 PM HAIL 8 NNE BLOOMFIELD 47.52N 104.85W
09/13/2009 E1.75 INCH DAWSON MT TRAINED SPOTTER

HAIL FELL FOR ABOUT 5 MINUTES. RAINFALL TOTALLED 0.30
INCHES.

1016 PM HAIL FRAZER 48.06N 106.04W
09/13/2009 E1.00 INCH VALLEY MT PUBLIC

0138 AM HAIL 2 S LARSLAN 48.55N 106.19W
09/14/2009 E1.00 INCH VALLEY MT PUBLIC

SOME QUARTER SIZED HAIL. MOSTLY NICKEL AND DIME SIZED.

&&

$$

RMORGAN

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KSHV [151432]: Preliminary Local Storm Report

NWUS54 KSHV 151432
LSRSHV

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
932 AM CDT TUE SEP 15 2009

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

0928 AM FLASH FLOOD TEXARKANA 33.44N 94.07W
09/15/2009 BOWIE TX EMERGENCY MNGR

RAILROAD OVERPASS CLOSED AT HWY 67 AND OVERPASS AT HWY 82
EAST AND BROAD STREET. NUMEROUS SECONDARY STREETS CLOSED
ACROSS THE CITY. STREAMS AND DITCHES OVERFLOWING.

&&

$$

ASTEVENS

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KPIH [151400]: Preliminary Local Storm Report

NWUS55 KPIH 151400
LSRPIH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO
800 AM MDT TUE SEP 15 2009

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

1159 PM HEAVY RAIN 4 N INKOM 42.85N 112.24W
09/14/2009 M0.00 INCH BANNOCK ID TRAINED SPOTTER

RAIN FALL YESTERDAY 0.56 INCH.

&&

$$

RSURVICK

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 151248
SWODY1
SPC AC 151245

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0745 AM CDT TUE SEP 15 2009

VALID 151300Z - 161200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
WITH THE EXCEPTION OF THE NORTHEAST...MOST OF THE COUNTRY WILL
REMAIN BYPASSED BY THE WLYS THROUGH EARLY WED AS BROAD UPR RDG
LINGERS OVER THE MUCH OF THE LWR 48. WITHIN THE RDG...TWO UPR LOWS
WILL MODULATE TSTM DEVELOPMENT THROUGH THE PERIOD. THE FIRST
LOW...NOW OVER NRN UT...SHOULD SETTLE SLOWLY S TO THE AZ BORDER BY
12Z WED...WHILE THE SECOND REMAINS NEARLY STNRY OVER THE ARKLATEX.
AT LWR LVLS...RELATIVELY HIGH PRESSURE WILL PERSIST OVER MUCH OF THE
COUNTRY. HOWEVER...WEAK...NEARLY STNRY LOW WILL CONTINUE INVOF THE
AR/LA BORDER...WITH ATTENDANT STNRY FRONT ALSO PERSISTING E/SE TO
THE FL PANHANDLE.

...GRT BASIN INTO CNTRL/SRN HI PLNS...
STEEP MID LVL LAPSE RATES AROUND 8 C/KM WILL PREVAIL FROM THE ERN
GRT BASIN ACROSS THE CNTRL RCKYS INTO THE CNTRL/SRN HI PLNS...ON ERN
SIDE OF UPR LOW. SIMILAR TO MONDAY...MOISTURE WILL REMAIN
LIMITED...WITH PW AROUND .75 INCH. HEATING WILL...HOWEVER...YIELD
MODEST SBCAPE...WITH VALUES TO 1000 J/KG EXPECTED OVER THE CO/NRN NM
HIGHER TERRAIN AND ADJACENT HI PLNS.

LARGE SCALE ASCENT ASSOCIATED WITH UPR LOW LIKELY WILL BE WEAKER
TODAY RELATIVE TO YESTERDAY GIVEN DECELERATION OF THE FEATURE AND
FACT THAT IT IS NOW A CLOSED SYSTEM. BUT...COMBINATION OF STEEP LOW
TO MID LVL LAPSE RATES WITH TERRAIN-INDUCED CIRCULATIONS AND
CONVERGENCE ALONG LEE TROUGH SHOULD YIELD ISOLD TO SCTD AFTN/EVE
STORMS FROM VICINITY OF MID LVL COLD POOL OVER UT ESE ACROSS CO INTO
NE NM. MARGINAL VERTICAL SHEAR AND INSTABILITY SHOULD PRECLUDE AN
ORGANIZED/SUSTAINED SVR THREAT....BUT BRIEFLY SVR STORMS WITH HAIL
AND LOCALLY STRONG WINDS MAY OCCUR.

...CNTRL GULF CST/LWR MS VLY...
PATTERN WILL ONCE AGAIN BE VERY SIMILAR TO THAT OF RECENT
DAYS...WITH WEAK DISTURBANCES ROTATING E/NE AROUND ARKLATEX UPR LOW
SERVING TO FOCUS DIURNALLY-ENHANCED TSTMS OVER THE CNTRL GULF
CST/LWR MS VLY. A FEW CLUSTERS OF STRONG STORMS COULD OCCUR THIS
AFTN AND EVE GIVEN VERY MOIST AIR /PW AOA 2 INCHES/ AND SBCAPE OF
1000-2000 J/KG. WHILE A LOW PROBABILITY THREAT WILL EXIST FOR A
BRIEF TORNADO OR SVR WIND GUST...MARGINAL VERTICAL SHEAR AND WEAK
LAPSE RATES SHOULD PRECLUDE A MORE ROBUST SVR THREAT.

..CORFIDI/HURLBUT.. 09/15/2009

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KSLC [151109]: Preliminary Local Storm Report...summary

NWUS55 KSLC 151109
LSRSLC

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
509 AM MDT TUE SEP 15 2009

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

1015 AM TSTM WND GST WENDOVER 40.74N 114.02W
09/14/2009 M60.00 MPH TOOELE UT AWOS

1215 PM TSTM WND GST 1 ESE DUGWAY 40.23N 112.73W
09/14/2009 M59.00 MPH TOOELE UT MESONET

ENGLISH VILLAGE MESONET

1245 PM TSTM WND GST 4 NE VERNON 40.13N 112.39W
09/14/2009 M64.00 MPH TOOELE UT MESONET

VERNON HILL

0115 PM TSTM WND DMG 6 NNW GRANTSVILLE 40.67N 112.51W
09/14/2009 TOOELE UT DEPT OF HIGHWAYS

SEMI-TRAILER BLOWN OVER AT MP 85 ON I-80

0115 PM TSTM WND DMG 2 E DELLE 40.77N 112.74W
09/14/2009 TOOELE UT DEPT OF HIGHWAYS

SEMI-TRAILER BLOWN OVER AT MP 72 ON I-80

0200 PM TSTM WND GST 18 W DUGWAY 40.24N 113.09W
09/14/2009 M60.00 MPH TOOELE UT MESONET

PLAYA STATION - 4280 FT

0200 PM TSTM WND DMG LAYTON 41.08N 111.96W
09/14/2009 DAVIS UT BROADCAST MEDIA

TREES BLOWN DOWN

0200 PM TSTM WND GST 24 SSW DUGWAY 39.92N 112.94W
09/14/2009 M61.00 MPH TOOELE UT MESONET

SIMPSON SPRINGS - 4645 FT

0200 PM TSTM WND GST 5 ESE OGDEN 41.20N 111.88W
09/14/2009 M69.00 MPH WEBER UT MESONET

OGDEN PEAK - 9570 FT

0200 PM TSTM WND GST 13 SW DUGWAY 40.12N 112.95W
09/14/2009 M77.00 MPH TOOELE UT MESONET

CAMEL BACK MTN - 5077 FT

0300 PM TSTM WND GST 5 NNW DUGWAY 40.30N 112.78W
09/14/2009 M60.00 MPH TOOELE UT MESONET

CEDAR MTN - 4650 FT

0300 PM TSTM WND GST 16 NW DUGWAY 40.37N 113.00W
09/14/2009 M66.00 MPH TOOELE UT MESONET

UPPER CEDAR MTN - 7052 FT

0300 PM TSTM WND GST 1 ENE FREMONT JCT 38.76N 111.38W
09/14/2009 M60.00 MPH SEVIER UT MESONET

FREMONT JUNCTION - 6801 FT

0420 PM HAIL HUNTINGTON 39.33N 110.96W
09/14/2009 M1.00 INCH EMERY UT TRAINED SPOTTER

0420 PM FLOOD HUNTINGTON 39.33N 110.96W
09/14/2009 EMERY UT BROADCAST MEDIA

WIDESPREAD SUBSTANTIAL STREET FLOODING IN TOWN

0500 PM FLASH FLOOD 8 NNW INDIANOLA 39.91N 111.54W
09/14/2009 UTAH UT BROADCAST MEDIA

DEBRIS FROM A BURN AREA WAS WASHED INTO THE TOWN OF
BIRDSEYE.

&&

$$

MPS

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KSHV [150954]: Preliminary Local Storm Report

NWUS54 KSHV 150954
LSRSHV

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
454 AM CDT TUE SEP 15 2009

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

0450 AM FLASH FLOOD STERLINGTON 32.69N 92.06W
09/15/2009 OUACHITA LA TRAINED SPOTTER

HIGH WATER ACROSS HIGHWAY 165 BETWEEN STERLINGTON HIGH
SCHOOL AND OLD STERLINGTON. HIGH WATER ON KEYSTONE ROAD.
HIGH WATER APPROACHING SEVERAL HOMES IN STERLINGTON...BUT
NONE APPEAR TO BE ENTERING THE HOMES AT THIS TIME.

&&

$$

15

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KSHV [150902]: Preliminary Local Storm Report

NWUS54 KSHV 150902
LSRSHV

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
402 AM CDT TUE SEP 15 2009

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

0340 AM FLASH FLOOD SWARTZ 32.57N 91.99W
09/15/2009 OUACHITA LA TRAINED SPOTTER

HIGH WATER OVER SEVERAL RESIDENTIAL ROADS NEAR SWARTZ.

&&

$$

15

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DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 150859
SWOD48
SPC AC 150858

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0358 AM CDT TUE SEP 15 2009

VALID 181200Z - 231200Z

...DISCUSSION...
MEDIUM-RANGE MODELS IN DECENT AGREEMENT THROUGH DAYS 5-6...IN
FORECASTING AN INCREASINGLY-PROGRESSIVE UPPER PATTERN ACROSS THE
CONUS. LITTLE SEVERE POTENTIAL IS EVIDENT THROUGH DAY 6 /SUN. SEPT.
20/...AT WHICH POINT BOTH MODELS BEGIN DIGGING A MID-LEVEL TROUGH
SEWD INTO THE CENTRAL CONUS.

TIMING DIFFERENCES BETWEEN THE GFS AND ECMWF FROM DAY 6 ONWARD WITH
THIS TROUGH -- AND THE ASSOCIATED COLD FRONT MOVING THROUGH THE
PLAINS -- INCREASE WITH TIME. SEVERE POTENTIAL SHOULD INCREASE ONCE
THIS FRONT PROGRESSES FAR ENOUGH SEWD INTO THE CENTRAL CONUS TO
WHERE A REASONABLE POTENTIAL FOR FAVORABLE THERMODYNAMICS WOULD
EXIST. HOWEVER...THE MODEL DIFFERENCES IN TIMING OF THE FRONT ARE
SIGNIFICANT ENOUGH TO PRECLUDE ANY CONFIDENCE IN LOCATION/TIMING OF
ANY SEVERE POTENTIAL.

..GOSS.. 09/15/2009

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KSHV [150823]: Preliminary Local Storm Report

NWUS54 KSHV 150823
LSRSHV

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
322 AM CDT TUE SEP 15 2009

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

0645 PM FLASH FLOOD SWARTZ 32.57N 91.99W
09/14/2009 OUACHITA LA TRAINED SPOTTER

HIGH WATER OVER SEVERAL ROADS NEAR SWARTZ.

0645 PM FLASH FLOOD MONROE 32.51N 92.08W
09/14/2009 OUACHITA LA PUBLIC

HIGH WATER ON DESIARD AVE.

0720 PM FLASH FLOOD N MONROE 32.51N 92.08W
09/14/2009 OUACHITA LA LAW ENFORCEMENT

HIGH WATER OVER PORTIONS OF HIGHWAY 165 IN NORTH MONROE.

0720 PM FLASH FLOOD 2 NE MONROE 32.53N 92.06W
09/14/2009 OUACHITA LA LAW ENFORCEMENT

HIGH WATER OVER FINKS HIDEAWAY ROAD NORTHEAST OF MONROE.

&&

$$

15

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DAY3SVR: Nws Storm Prediction Center Norman Ok

ACUS03 KWNS 150729
SWODY3
SPC AC 150726

DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0226 AM CDT TUE SEP 15 2009

VALID 171200Z - 181200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
LARGE-SCALE UPPER PATTERN ACROSS THE U.S. IS FORECAST TO REMAIN
RELATIVELY UNCHANGED...WITH THE NWRN U.S. TROUGH PROGGED TO WEAKEN
AS IT GETS SHUNTED ENEWD ACROSS THE NWRN U.S. TOWARD WRN CANADA BY
THE PERSISTENT LARGE-SCALE RIDGE OVER THE CENTRAL CONUS.
MEANWHILE...A SHORT-WAVE TROUGH SHOULD EXIT THE NORTHEAST ONLY TO BE
REPLACED BY A SECOND FEATURE...MAINTAINING THE MEAN/LARGER-SCALE
TROUGHING OVER THIS REGION. ELSEWHERE...TWO WEAK UPPER LOWS WILL
PERSIST WITHIN THE MEAN LONGWAVE RIDGE PREVAILING OVER MOST OF THE
CONUS.

THE FIRST OF THESE TWO LOWS SHOULD SHIFT SLOWLY EWD OUT OF AZ AND
ACROSS SRN NM...RESULTING IN ANOTHER DAY OF SHOWERS AND STORMS OVER
THE CENTRAL AND SRN ROCKIES. MEANWHILE...THE SECOND LOW -- PROGGED
TO LINGER/SHIFT SLOWLY EWD ACROSS THE LOWER MS VALLEY REGION -- WILL
ALSO SUPPORT ANOTHER DAY OF CONVECTION ACROSS THE SERN QUARTER OF
THE COUNTRY. IN BOTH AREAS...LIMITED SHEAR/INSTABILITY COMBINATION
PRECLUDES APPRECIABLE SEVERE POTENTIAL...AND THUS ANY NEED FOR EVEN
LOW SEVERE PROBABILITIES ATTM.

ELSEWHERE...CONVECTION SHOULD ALSO DEVELOP DURING THE AFTERNOON
ACROSS PARTS OF ID/WRN MT AHEAD OF THE WEAKENING TROUGH MOVING ENEWD
ACROSS THIS REGION TOWARD THE CANADIAN PRAIRIE. HERE TOO...THE LACK
OF APPRECIABLE INSTABILITY SUGGESTS LITTLE IF ANY POTENTIAL FOR
SEVERE WEATHER.

..GOSS.. 09/15/2009

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DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 150601
SWODY2
SPC AC 150559

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1259 AM CDT TUE SEP 15 2009

VALID 161200Z - 171200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
WHILE A LARGE UPPER TROUGH WILL CONTINUE MOVING SLOWLY INLAND ACROSS
NWRN NOAM AND A SECOND TROUGH LINGERS OVER THE NORTHEAST CONUS...THE
TWO MAIN FEATURES WITH RESPECT TO THE CONVECTIVE FORECAST WILL
REMAIN THE WEAK UPPER LOWS EMBEDDED WITHIN THE MEAN LONG-WAVE RIDGE
OVER MUCH OF THE CONUS. THE FIRST OF THESE LOWS IS PROGGED TO DRIFT
SWD INTO THE DESERT SW...WHILE THE SECOND REMAINS QUASI-STATIONARY
ACROSS THE S CENTRAL CONUS.

AT THE SURFACE...HIGH PRESSURE WILL PREVAIL ACROSS MUCH OF THE
COUNTRY...THOUGH A WEAK LOW AND E-W FRONT OVER THE S CENTRAL U.S. IS
EXPECTED TO PERSIST...IN CONJUNCTION WITH THE UPPER LOW.

...CENTRAL AND SRN NM INTO FAR W TX...
STORMS WILL AGAIN DEVELOP THROUGH THE AFTERNOON ACROSS PORTIONS OF
THE ROCKIES AHEAD OF THE UPPER LOW...THOUGH OVERALL THE CAPE/SHEAR
COMBINATION SHOULD PROVE INSUFFICIENT FOR APPRECIABLE SEVERE THREAT.
ONE REGION OF SLIGHTLY-ENHANCED SEVERE POTENTIAL MAY EVOLVE ACROSS
PARTS OF CENTRAL AND SRN NM AND FAR W TX...WHERE LOW-LEVEL ELYS MAY
INCREASE INTO THE EVENING. WITH THIS POSSIBLY RESULTING IN AN
ENHANCEMENT OF LOW-LEVEL UVV DUE TO UPSLOPE FLOW...AND WITH 20 TO 25
KT MID-LEVEL WLYS ACROSS THIS REGION...A FEW STRONGER CELLS MAY
EVOLVE AS STORMS INCREASE ACROSS THIS REGION -- POSSIBLY YIELDING A
LOW-END THREAT FOR HAIL/WIND.

...CENTRAL GULF COAST REGION...
THUNDERSTORMS ARE AGAIN FORECAST ACROSS THE GULF COAST REGION...AS A
SURFACE LOW REMAINS INVOF THE LOWER MS VALLEY AND THE ASSOCIATED W-E
BAROCLINIC ZONE LINGERS INVOF THE GULF COAST. WITH MODEST SWLYS
ALOFT AHEAD OF THE UPPER LOW ATOP LOW-LEVEL SLYS/SELYS...SHEAR --
BOTH LOW-LEVEL AND DEEP-LAYER -- SHOULD ONCE AGAIN BE SUFFICIENT FOR
LOCAL STORM ORGANIZATION. WITH ONLY MODEST INSTABILITY FORECAST
ONCE AGAIN HOWEVER...STORMS WILL LIKELY STRUGGLE TO INTENSIFY...AND
THUS EXPECT ONLY A LOW-END SEVERE POTENTIAL AT BEST.

..GOSS.. 09/15/2009

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 150533
SWODY1
SPC AC 150530

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1230 AM CDT TUE SEP 15 2009

VALID 151200Z - 161200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...

A LARGE-SCALE BLOCKING PATTERN WILL BE MAINTAINED OVER N AMERICA
WITH THE PRIMARY BELT OF POLAR WESTERLIES CONFINED LARGELY TO
CANADA. DETACHED FROM THIS HIGHER MOMENTUM FLOW ARE TWO UPPER
LOWS...ONE WHICH WILL DRIFT SLOWLY SWD THROUGH UT INTO NRN AZ...AND
THE OTHER WHICH WILL REMAIN QUASI-STATIONARY OVER THE ARKLATEX.

...GREAT BASIN INTO CNTRL/SRN HIGH PLAINS...

15/00Z UPPER-AIR ANALYSIS SHOWED 500 MB TEMPERATURES OF -14 C
ASSOCIATED WITH UPPER LOW WHICH WERE CONTRIBUTING TO STEEP MIDLEVEL
LAPSE RATES OF AROUND 8 C/KM. MOISTURE WILL REMAIN MARGINAL AND
SIMILAR TO THAT OF MONDAY /PW VALUES OF .7-.8 INCH/...WITH THE STEEP
LAPSE RATES LARGELY CONTRIBUTING TO WEAK CONVECTIVE INSTABILITY OVER
THE COMPLEX TERRAIN OF UT/CO AS WELL AS ALONG LEE TROUGH OVER THE
HIGH PLAINS.

DYNAMIC FORCING FOR ASCENT ATTENDANT TO UPPER SYSTEM WILL LIKELY BE
WEAKER TODAY OWING TO DECELERATION AND NOW CLOSED NATURE OF MIDLEVEL
SYSTEM. BUT...WHEN COUPLED WITH OROGRAPHIC FORCING AND CONVERGENCE
ALONG LEE TROUGH...EXPECT ISOLATED TO SCATTERED DIURNAL STORM
DEVELOPMENT FROM VICINITY OF MIDLEVEL COLD POOL OVER UT/CO EWD/SEWD
ALONG LEE TROUGH. MARGINAL VERTICAL SHEAR AND INSTABILITY ARE
EXPECTED TO PRECLUDE AN ORGANIZED SEVERE THREAT. HOWEVER...BRIEFLY
SEVERE STORMS WILL BE POSSIBLE WITH THE THREAT FOR HAIL AND LOCALLY
STRONG WIND GUSTS THROUGH THIS EVENING.

...CNTRL GULF STATES...

SYNOPTIC PATTERN WILL REMAIN THE SAME AS PREVIOUS SEVERAL DAYS WHERE
VORTICITY MAXIMA ROTATING AROUND QUASI-STATIONARY UPPER LOW FOCUS
CLUSTERS OF STRONG TSTMS THROUGH THE AFTERNOON AND EVENING HOURS.
AIR MASS WILL REMAIN QUITE MOIST WITH PW VALUES AOA 2 INCHES...
SUPPORTING MLCAPE OF 1000-2000 J/KG. WHILE A LOW PROBABILITY THREAT
OF A BRIEF TORNADO OR WIND GUST WILL EXIST ACROSS SYSTEM WARM
SECTOR...THE MARGINAL VERTICAL SHEAR WILL PRECLUDE A MORE ROBUST
SEVERE THREAT.

..MEAD/JEWELL.. 09/15/2009

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KSLC [150410]: Preliminary Local Storm Report

NWUS55 KSLC 150410
LSRSLC

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1010 PM MDT MON SEP 14 2009

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

0420 PM FLOOD HUNTINGTON 39.33N 110.96W
09/14/2009 EMERY UT BROADCAST MEDIA

WIDESPREAD SUBSTANTIAL STREET FLOODING IN TOWN

0500 PM FLASH FLOOD 8 NNW INDIANOLA 39.91N 111.54W
09/14/2009 UTAH UT BROADCAST MEDIA

DEBRIS FROM A BURN AREA WAS WASHED INTO THE TOWN OF
BIRDSEYE.

&&

$$

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