KBRO [100352]: Preliminary Local Storm Report

NWUS54 KBRO 100352
LSRBRO

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1051 PM CDT WED MAY 09 2012

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

1045 PM HAIL 2 S RAYMONDVILLE 26.45N 97.78W
05/09/2012 E1.75 INCH WILLACY TX EMERGENCY MNGR

WILLACY COUNTY EMERGENCY MANAGER REPORTS GOLFBALL-SIZE
HAIL 2 MILES SOUTH OF RAYMONDVILLE.


&&

EVENT NUMBER BRO1200104

$$

TOMASELLI

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KBRO [100347]: Preliminary Local Storm Report

NWUS54 KBRO 100347
LSRBRO

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1047 PM CDT WED MAY 09 2012

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

1033 PM HAIL 15 S SARITA 27.00N 97.80W
05/09/2012 E1.00 INCH KENEDY TX OTHER FEDERAL

BORDER PATROL CHECKPOINT 15 MILES SOUTH OF SARITA
REPORTS PREDOMINANTLY NICKEL-SIZE HAIL WITH EMBEDDED
QUARTER-SIZE HAIL.


&&

EVENT NUMBER BRO1200103

$$

TOMASELLI

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KBRO [100336]: Preliminary Local Storm Report

NWUS54 KBRO 100336
LSRBRO

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1035 PM CDT WED MAY 09 2012

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

1035 PM HAIL SEBASTIAN 26.34N 97.80W
05/09/2012 E4.50 INCH WILLACY TX EMERGENCY MNGR

TRAINED SPOTTER REPORTS SOFTBALL SIZED HAIL FALLING IN
SEBASTIAN FOR LAST FIVE MINUTES. HAPPENING RIGHT
NOW...FROM WILLACY EM.


&&

EVENT NUMBER BRO1200102

$$

JGG

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MESO: Mesoscale Discussion 0771

ACUS11 KWNS 100309
SWOMCD
SPC MCD 100309
TXZ000-100415-

MESOSCALE DISCUSSION 0771
NWS STORM PREDICTION CENTER NORMAN OK
1009 PM CDT WED MAY 09 2012

AREAS AFFECTED...SRN TX

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 100309Z - 100415Z

PROBABILITY OF WATCH ISSUANCE...5 PERCENT

SUMMARY...A LARGE HAIL AND WIND DAMAGE THREAT IS LIKELY TO CONTINUE
ACROSS SOUTH TX LATE THIS EVENING. HOWEVER...THE SEVERE THREATS ARE
EXPECTED TO REMAIN VERY ISOLATED AND WW ISSUANCE IS NOT EXPECTED.

DISCUSSION...AN ISOLATED SEVERE THUNDERSTORM IS ONGOING ABOUT 50
MILES NORTHWEST OF BROWNSVILLE ALONG THE NWRN EDGE OF MODERATE TO
STRONG INSTABILITY. THE 00Z SOUNDING IN BROWNSVILLE EARLIER THIS
EVENING SHOWED MUCAPE APPROACHING 4000 J/KG. THIS ALONG WITH STEEP
LAPSE RATES IS SUPPORTING A THREAT FOR LARGE HAIL. IN ADDITION...SFC
DEWPOINTS IN THE LOWER 70S F AND PRECIPITABLE WATER VALUES ABOVE 2.0
INCHES IS LIKELY CONTRIBUTING TO PRECIP LOADING WITH AN POTENTIAL
FOR ISOLATED DAMAGING WIND GUSTS. WATER VAPOR IMAGERY CURRENTLY
SHOWS A SHORTWAVE TROUGH OVER NRN MEXICO BUT THIS FEATURE IS LIKELY
TOO FAR TO THE SOUTHWEST TO SUPPORT THE THUNDERSTORM ACTIVITY IN
SOUTH TX. FOR THIS REASON...THE THREAT FOR LARGE HAIL IS EXPECTED TO
REMAIN VERY ISOLATED AND WILL PROBABLY ONLY PERSIST FOR ANOTHER HOUR
OR TWO.

..BROYLES.. 05/10/2012

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

ATTN...WFO...BRO...

LAT...LON 27039790 26899820 26709836 26479839 26289833 26169804
26139782 26209751 26299739 26639732 27019746 27039790

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KBRO [100305]: Preliminary Local Storm Report

NWUS54 KBRO 100305
LSRBRO

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1005 PM CDT WED MAY 09 2012

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

0957 PM HAIL 10 NE EDINBURG 26.40N 98.05W
05/09/2012 E0.75 INCH HIDALGO TX PUBLIC

PUBLIC REPORTS PENNY-SIZE HAIL 10 MILES NE OF EDINBURG
NEAR ELSA AT THE INTERSECTION OF FM 2812 AND VAL VERDE
ROAD.


&&

EVENT NUMBER BRO1200101

$$

TOMASELLI

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KBRO [100248]: Preliminary Local Storm Report

NWUS54 KBRO 100248
LSRBRO

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
948 PM CDT WED MAY 09 2012

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

0946 PM HAIL EDCOUCH 26.29N 97.96W
05/09/2012 E2.75 INCH HIDALGO TX TRAINED SPOTTER

SPOTTER REPORTED HAIL HAD BUSTED HER WINDOWS IN IN
EDCOUCH. WAS NOT CONFIDENT OF EXACT HAIL SIZE.


&&

EVENT NUMBER BRO1200100

$$

JGG

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KTAE [100233]: Preliminary Local Storm Report

NWUS52 KTAE 100233
LSRTAE

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1032 PM EDT WED MAY 09 2012

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

0400 PM TSTM WND DMG PUTNEY 31.48N 84.11W
05/06/2012 DOUGHERTY GA TRAINED SPOTTER

A 10X14 METAL SHED WAS DESTROYED ALONG WITH MINOR ROOF
DAMAGE. THIS IS A DELAYED REPORT FROM THE SUNDAY...MAY
6TH STORMS.


&&

$$

DVD

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KTAE [100217]: Preliminary Local Storm Report...corrected

NWUS52 KTAE 100217
LSRTAE

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1016 PM EDT WED MAY 09 2012

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

0635 PM TSTM WND DMG 6 SW PERRY 30.06N 83.65W
05/09/2012 TAYLOR FL 911 CALL CENTER

ONE TREE DOWN ON HAMPTON SPRINGS ROAD. CORRECTED TIME OF
EVENT.


&&

$$

DVD

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KPSR [100212]: Preliminary Local Storm Report

NWUS55 KPSR 100212
LSRPSR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PHOENIX AZ
712 PM MST WED MAY 09 2012

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

0616 PM DUST STORM GILA BEND 32.95N 112.69W
05/09/2012 MARICOPA AZ MESONET

ZERO VISIBILITY WITH BLOWING DUST AT KGBN. WINDS OF 44
MPH GUSTING TO 56 MPH.


&&

EVENT NUMBER PSR1200096

$$

NOLTE

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KILM [100200]: Preliminary Local Storm Report...summary

NWUS52 KILM 100200
LSRILM

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE WILMINGTON NC
1000 PM EDT WED MAY 09 2012

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

0400 PM TSTM WND DMG 3 ENE CHADBOURN 34.34N 78.77W
05/09/2012 COLUMBUS NC 911 CALL CENTER

TREE REPORTED DOWN ACROSS CHADBOURN HWY NEAR PEACOCK
RD.

0403 PM TSTM WND DMG 6 NNW WHITEVILLE 34.41N 78.75W
05/09/2012 COLUMBUS NC 911 CALL CENTER

TREE REPORTED DOWN ON BILL HOOKS RD.

0404 PM TSTM WND DMG 6 SW CLARKTON 34.44N 78.73W
05/09/2012 COLUMBUS NC 911 CALL CENTER

TREE REPORTED DOWN ON WOOTENS STORE RD.


&&

EVENT NUMBER ILM1200085 ILM1200086 ILM1200087

$$

LACORTE

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KCHS [100155]: Preliminary Local Storm Report...summary

NWUS52 KCHS 100155
LSRCHS

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CHARLESTON SC
955 PM EDT WED MAY 09 2012

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

0204 PM TSTM WND DMG 4 WNW ASHTON 33.05N 81.03W
05/09/2012 COLLETON SC LAW ENFORCEMENT

1 TREE DOWN ON BROXTON BRIDGE HWY AT BACHMAN RD.

0227 PM TSTM WND DMG 3 N SMOAKS 33.13N 80.81W
05/09/2012 COLLETON SC LAW ENFORCEMENT

1 TREE DOWN ON LOWCOUNTRY HIGHWAY AT COMMUNITY AVE.

0325 PM TSTM WND DMG CROSS 33.33N 80.15W
05/09/2012 BERKELEY SC LAW ENFORCEMENT

2 TREES DOWN IN CROSS.

0338 PM TSTM WND DMG 2 SW MARINE CORPS AIR S 32.45N 80.74W
05/09/2012 BEAUFORT SC LAW ENFORCEMENT

1 TREE DOWN AT LAUREL BAY ROAD AND STANLEY FARM ROAD.
TIME ESTIMATED FROM RADAR.

0340 PM TSTM WND DMG MONCKS CORNER 33.20N 80.01W
05/09/2012 BERKELEY SC LAW ENFORCEMENT

3 TREES DOWN IN MONCKS CORNER.

0345 PM TSTM WND DMG 1 NNE CROWFIELD PLANTAT 33.03N 80.06W
05/09/2012 BERKELEY SC BROADCAST MEDIA

TREE DOWN ON NORTH AYLESBURY ROAD. TIME ESTIMATED BASED
ON RADAR DATA.

0405 PM TSTM WND DMG 2 SW POOLER 32.10N 81.27W
05/09/2012 CHATHAM GA TRAINED SPOTTER

TRAINED SPOTTER REPORTED A TREE DOWN ON POOLER PKWY AT
S MORGAN PKWY.

0435 PM TSTM WND DMG 3 WSW SAVANNAH 32.04N 81.12W
05/09/2012 CHATHAM GA PUBLIC

OAK TREE DOWN. TIME ESTIMATED FROM RADAR. REPORT
RELAYED BY BROADCAST MEDIA.

0655 PM HAIL 1 NW YEMASSEE 32.70N 80.86W
05/09/2012 E0.70 INCH HAMPTON SC PUBLIC

PUBLIC REPORTED DIME SIZE HAIL AND GUSTY WINDS ALONG
I-95 BETWEEN YEMASSEE AND EARLY BRANCH.


&&

EVENT NUMBER CHS1200135 CHS1200134 CHS1200136 CHS1200133 CHS1200137
CHS1200139 CHS1200138 CHS1200141 CHS1200140

$$

VB

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KPSR [100154]: Preliminary Local Storm Report

NWUS55 KPSR 100154
LSRPSR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PHOENIX AZ
654 PM MST WED MAY 09 2012

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

0515 PM HEAVY RAIN EAST MESA 33.42N 111.69W
05/09/2012 M0.91 INCH MARICOPA AZ TRAINED SPOTTER

MEASURED AT GUADALUPE CHANNEL ALERT SITE. LOCALIZED
STREET FLOODING ON BROADWAY BETWEEN SOSSAMON AND 80TH
STREET.


&&

EVENT NUMBER PSR1200095

$$

DG

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KRAH [092013]: Preliminary Local Storm Report

NWUS52 KRAH 092013
LSRRAH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
413 PM EDT WED MAY 09 2012

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

0309 PM TSTM WND DMG 2 W LIBERTY 35.85N 79.61W
05/09/2012 RANDOLPH NC EMERGENCY MNGR

FEW TREES DOWN NEAR THE INTERSECTION OF US HIGHWAY 421
AND OLD LIBERTY ROAD


&&

EVENT NUMBER RAH1200208

$$

KRR

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KCHS [092013]: Preliminary Local Storm Report

NWUS52 KCHS 092013
LSRCHS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
413 PM EDT WED MAY 09 2012

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

0227 PM TSTM WND DMG 3 N SMOAKS 33.13N 80.81W
05/09/2012 COLLETON SC LAW ENFORCEMENT

1 TREE DOWN ON LOWCOUNTRY HIGHWAY AT COMMUNITY AVE.


&&

EVENT NUMBER CHS1200134

$$

JRL

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KRAH [092012]: Preliminary Local Storm Report

NWUS52 KRAH 092012
LSRRAH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
411 PM EDT WED MAY 09 2012

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

0303 PM TSTM WND DMG 3 SSE CLIMAX 35.88N 79.70W
05/09/2012 RANDOLPH NC EMERGENCY MNGR

FEW TREES DOWN NEAR THE INTERSECTION OF NEW SALEM ROAD
AND BETHEL CHURCH ROAD


&&

EVENT NUMBER RAH1200207

$$

KRR

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KRAH [092007]: Preliminary Local Storm Report

NWUS52 KRAH 092007
LSRRAH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
407 PM EDT WED MAY 09 2012

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

0357 PM TSTM WND GST CHAPEL HILL APT 35.94N 79.08W
05/09/2012 M47 MPH ORANGE NC ASOS

41 KTS FROM 280 DEGREES AT 357 PM.


&&

EVENT NUMBER RAH1200206

$$

MWS

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KCHS [092006]: Preliminary Local Storm Report

NWUS52 KCHS 092006
LSRCHS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
406 PM EDT WED MAY 09 2012

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

0338 PM TSTM WND DMG 2 SW MARINE CORPS AIR S 32.45N 80.74W
05/09/2012 BEAUFORT SC LAW ENFORCEMENT

1 TREE DOWN AT LAUREL BAY ROAD AND STANLEY FARM ROAD.
TIME ESTIMATED FROM RADAR.


&&

EVENT NUMBER CHS1200133

$$

VB

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KLIX [092003]: Preliminary Local Storm Report

NWUS54 KLIX 092003
LSRLIX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
303 PM CDT WED MAY 09 2012

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

0250 PM TORNADO GRAND ISLE CMAN 29.27N 89.96W
05/09/2012 JEFFERSON LA LAW ENFORCEMENT

POWER LINES DOWN NEAR BOUDREAUX LANE. SOME STRUCTURAL
DAMAGE ALSO REPORTED.


&&

$$

24/RR

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KMFL [091949]: Preliminary Local Storm Report

NWUS52 KMFL 091949
LSRMFL

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIAMI FL
349 PM EDT WED MAY 09 2012

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

0255 PM TSTM WND GST 9 W PAHOKEE 26.80N 80.80W
05/09/2012 M51.00 MPH AMZ610 FL MESONET

MESONET MEASURED 44 KTS AT STATION L006.

0310 PM TSTM WND GST PAHOKEE 26.82N 80.66W
05/09/2012 M51.00 MPH PALM BEACH FL MESONET

MESONET REPORTED 44 KTS NEAR PAHOKEE.

0311 PM TSTM WND GST OPA-LOCKA 25.90N 80.26W
05/09/2012 M45.00 MPH MIAMI-DADE FL ASOS

ASOS REPORTED WIND GUST NEAR 39 KTS AT OPA LOCKA AIRPORT.


0326 PM TSTM WND GST MIAMI SHORES 25.86N 80.19W
05/09/2012 M50.00 MPH MIAMI-DADE FL MESONET

MESONET REPORTED 44 KTS WIND GUST NEAR MIAMI SHORES.


&&

$$

RIVERA

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KLIX [091942]: Preliminary Local Storm Report

NWUS54 KLIX 091942
LSRLIX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
242 PM CDT WED MAY 09 2012

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

0240 PM TORNADO GRAND ISLE CMAN 29.27N 89.96W
05/09/2012 JEFFERSON LA OTHER FEDERAL

WATERSPOUT MOVED ONSHORE ON WEST SIDE OF ISLAND WITH
FLYING DEBRIS SIGHTED. PHOTOS BEING TAKEN OF THE DAMAGE
BY NOAA NOS OFFICIAL ON LOCATION.


&&

$$

24/RR

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KEPZ [091941]: Preliminary Local Storm Report

NWUS54 KEPZ 091941
LSREPZ

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EL PASO TX
140 PM MDT WED MAY 09 2012

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

0138 PM FLOOD 4 NNE SUNLAND PARK 31.86N 106.56W
05/09/2012 EL PASO TX PUBLIC

MINOR STREET FLOODING AT REDD AND RESLER IN WEST EL
PASO.


&&

EVENT NUMBER EPZ1200193

$$

HARDIMAN

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KLIX [091934]: Preliminary Local Storm Report

NWUS54 KLIX 091934
LSRLIX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
234 PM CDT WED MAY 09 2012

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

0230 PM WATER SPOUT GRAND ISLE CMAN 29.27N 89.96W
05/09/2012 JEFFERSON LA OTHER FEDERAL

NOAA NOS OFFICER REPORTED A WATERSPOUT ON THE NORTH SIDE
OF GRAND ISLE...MOVING SOUTHEAST 10 KNOTS. PHOTOS TAKEN
OF THE SPOUT. TORNADO WARNING ISSUED FOR GRAND ISLE.


&&

$$

24/RR

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 091930
SWODY1
SPC AC 091928

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0228 PM CDT WED MAY 09 2012

VALID 092000Z - 101200Z

...THERE IS A SLGT RISK OF SVR TSTMS FROM NRN GA...SRN FL INTO THE
ERN CAROLINAS...

...SRN GA AND NRN FL THROUGH THE ERN CAROLINAS...

HAVE SHIFTED THE SLIGHT RISK AREA A LITTLE FARTHER EAST AND SOUTH.
PRE-FRONTAL MULTICELL BANDS OF STORMS ARE MOVING THROUGH THE WARM
SECTOR FROM CNTRL NC...ERN SC INTO SRN GA. A MODEST INCREASE IN MID
LEVEL WINDS HAS OCCURRED DURING THE PAST COUPLE OF HOURS...BUT THE
STRONGER FLOW ASSOCIATED WITH THE AMPLIFYING TROUGH WILL REMAIN POST
FRONTAL...AND SHEAR PROFILES WILL SUPPORT MULTICELL LINES AND
CLUSTERS. A THREAT FOR ISOLATED STRONG TO DAMAGING WIND GUSTS WILL
PERSIST INTO EARLY EVENING...ESPECIALLY AS ACTIVITY APPROACHES THE
COAST AND BEGINS TO INTERACT WITH THE SEA BREEZE CIRCULATIONS. THE
MARGINAL THERMODYNAMIC ENVIRONMENT WILL LIKELY PROVIDE A LIMITING
FACTOR FOR A MORE ROBUST/WIDESPREAD SEVERE EVENT.

...FAR WRN TX...SWRN NM INTO SERN AZ...

SCATTERED STORMS ARE DEVELOPING WITHING ZONE OF UPPER DIVERGENCE AND
DEEP ASCENT EAST AND NORTH OF CUTOFF UPPER LOW. ELY LOW LEVEL WINDS
VEERING TO SWLY AND INCREASING TO ABOVE 30 KT AT 500 MB IS RESULTING
IN SUFFICIENT VERTICAL SHEAR FOR UPDRAFT ROTATION OVER WRN TX...BUT
WITH WEAKER SHEAR WITH WWD EXTENT INTO SRN NM AND AZ. THE EARLY
DEVELOPMENT OF THUNDERSTORMS AND WIDESPREAD ANVIL CIRRUS ARE
LIMITING OVERALL DESTABILIZATION POTENTIAL SOMEWHAT...BUT STEEP MID
LEVEL LAPSE RATES AND MLCAPE FROM 500-1000 J/KG WILL SUPPORT A
THREAT OF ISOLATED LARGE HAIL AND LOCALLY STRONG TO DAMAGING WIND
GUSTS INTO THE EARLY EVENING. OVERALL THREAT DOES NOT APPEAR TO
WARRANT MORE THAN 5% SEVERE PROBABILITIES.

..DIAL.. 05/09/2012

.PREV DISCUSSION... /ISSUED 1108 AM CDT WED MAY 09 2012/

...SYNOPSIS...

AN AMPLIFIED...YET PROGRESSIVE LARGE-SCALE PATTERN WILL BE
MAINTAINED OVER THE CONUS THROUGH THE D1 PERIOD. POLAR BRANCH
TROUGH FROM HUDSON BAY TO MID MS VALLEY WILL INTENSIFY WHILE
ADVANCING EWD TOWARD THE ATLANTIC COAST...DOWNSTREAM FROM MIGRATORY
SYSTEM MOVING THROUGH WRN CANADA AND THE PACIFIC NW.
ELSEWHERE...SUBTROPICAL BRANCH UPPER LOW OVER THE GULF OF CA WILL
DRIFT EWD ACROSS NWRN MEXICO.

AT THE SURFACE...COLD FRONT FROM THE HUDSON VALLEY SSWWD ALONG THE
LEE OF THE CNTRL/SRN APPALACHIANS WILL ADVANCE EWD TO OFF THE
ATLANTIC COAST...WHILE SRN EXTENSION OF BOUNDARY SETTLES SWD INTO
THE FL PENINSULA.

...MID ATLANTIC COAST TO FL THIS AFTERNOON AND EVENING...

VISIBLE SATELLITE IMAGERY SHOWS WIDESPREAD CLOUDS ACROSS PRE-FRONTAL
WARM SECTOR FROM SERN VA INTO THE CAROLINAS WITH THE POTENTIAL FOR
STRONGER DAYTIME HEATING AND RESULTANT AIR MASS DESTABILIZATION
ACROSS SRN GA INTO FL. LOW-LEVEL UPLIFT ALONG THE FRONT COMBINED
WITH A COUPLED UPPER-LEVEL JET STRUCTURE AND INCREASING HEIGHT FALLS
AHEAD OF MIDLEVEL TROUGH WILL RESULT IN AN UPSWING IN TSTM
DEVELOPMENT THIS AFTERNOON...ESPECIALLY WHERE GREATER INSTABILITY
CAN DEVELOP.

LATEST MODEL GUIDANCE AND CURRENT OBSERVATIONAL DATA SUGGEST THAT
THE STRONGEST MID AND HIGH-LEVEL FLOW /AND RESULTING VERTICAL SHEAR/
WILL REMAIN WITHIN POST-FRONTAL ENVIRONMENT FROM THE CNTRL
APPALACHIANS INTO THE LOWER GREAT LAKES. THE EXCEPTION MAY BE
ACROSS SRN GA INTO NRN FL LATER THIS AFTERNOON INTO EVENING AS THE
EXIT REGION OF THE SUBTROPICAL JET EDGES EWD. DAMAGING WINDS WILL
BE THE PRIMARY SEVERE WEATHER HAZARD WITH DEVELOPING MULTICELL
CLUSTERS/LINE SEGMENTS...THOUGH SOME HAIL IS POSSIBLE.

...SRN TX THIS AFTERNOON AND TONIGHT...

WEAK...BUT PERSISTENT WAA AND POST-FRONTAL UPSLOPE ALONG THE HIGH
TERRAIN OF NRN MEXICO ARE LIKELY TO FOSTER AN INCREASE IN TSTMS
LATER TODAY INTO TONIGHT. WLY MEAN FLOW WILL ALLOW TSTMS TO MOVE
INTO THE REGION /MAINLY TONIGHT/ WITHIN AN ENVIRONMENT FEATURING A
RESIDUAL EML AND MOIST LOW-LEVEL ENVIRONMENT AND RESULTING MODERATE
INSTABILITY. GIVEN THE COLLOCATION OF THE SUBTROPICAL JET
AXIS...SUFFICIENT CLOUD-BEARING SHEAR WILL EXIST TO SUPPORT
ORGANIZED/ROTATING UPDRAFTS WITH A RISK FOR SOME HAIL AND PERHAPS
LOCALLY STRONG WIND GUSTS.

...SERN AZ/SWRN NM/FAR WRN TX THIS AFTERNOON AND EVENING...

THE SLOW EWD ADVANCEMENT OF UPPER LOW AND ASSOCIATED MIDLEVEL COLD
POOL ATOP WRN EXTENSION OF LOW-LEVEL MOISTURE AXIS WITHIN
POST-FRONTAL ELY/ENELY FLOW REGIME WILL CONTRIBUTE TO AIR MASS
DESTABILIZATION TODAY. HEATING ALONG THE HIGH TERRAIN COUPLED WITH
UPPER-LEVEL DIVERGENCE IMMEDIATELY DOWNSTREAM FROM THE LOW WILL GIVE
RISE TO WIDELY SCATTERED TSTMS THIS AFTERNOON AND EVENING. SEVERE
HAIL WILL BE POSSIBLE WITH THE STRONGEST STORMS...AS WILL DAMAGING
WIND GUSTS OWING TO THE DEVELOPMENT OF A DEEPLY MIXED BOUNDARY LAYER
AND MODERATELY STRONG ELY FLOW BELOW 3 KM /PER 12Z TUCSON SOUNDING/.

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KGRR [091925]: Preliminary Local Storm Report

NWUS53 KGRR 091925
LSRGRR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
325 PM EDT WED MAY 09 2012

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

0322 PM HAIL LANSING 42.74N 84.55W
05/09/2012 M0.25 INCH INGHAM MI TRAINED SPOTTER

PEA SIZE HAIL REPORTED AT GRAND AND KALAMAZOO AVE IN
DOWNTOWN LANSING.


&&

$$

HOVING

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KGRR [091914]: Preliminary Local Storm Report

NWUS53 KGRR 091914
LSRGRR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
314 PM EDT WED MAY 09 2012

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

0311 PM HAIL 1 S KENTWOOD 42.88N 85.59W
05/09/2012 M0.25 INCH KENT MI TRAINED SPOTTER

HAIL FELL FOR ABOUT TWO MINUTES.


&&

$$

HOVING

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KGRR [091902]: Preliminary Local Storm Report

NWUS53 KGRR 091902
LSRGRR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
302 PM EDT WED MAY 09 2012

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

0257 PM HAIL 2 ESE CUTLERVILLE 42.83N 85.63W
05/09/2012 E0.25 INCH KENT MI NWS EMPLOYEE


&&

$$

NJJ

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KMLB [091858]: Preliminary Local Storm Report

NWUS52 KMLB 091858
LSRMLB

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
258 PM EDT WED MAY 09 2012

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

0235 PM TSTM WND GST 4 NW HAULOVER CANAL 28.78N 80.80W
05/09/2012 M54 MPH BREVARD FL OTHER FEDERAL

U.S. AIR FORCE WIND TOWER 421 AT THE KENNEDY SPACE CENTER
RECORDED A 47KT/54MPH THUNDERSTORM WIND GUST.


&&

$$

JCG

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KGRR [091858]: Preliminary Local Storm Report

NWUS53 KGRR 091858
LSRGRR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
258 PM EDT WED MAY 09 2012

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

0255 PM HAIL WILLIAMSTON 42.69N 84.28W
05/09/2012 E0.25 INCH INGHAM MI TRAINED SPOTTER


&&

$$

NJJ

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KMOB [091850]: Preliminary Local Storm Report

NWUS54 KMOB 091850
LSRMOB

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
149 PM CDT WED MAY 09 2012

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

1205 PM WATER SPOUT DAUPHIN ISLAND 30.26N 88.11W
05/09/2012 MOBILE AL COAST GUARD

6 WATERSPOUTS REPORTED BY US COAST GUARD AIRCRAFT CREWS
OVER THE MISSISSIPPI SOUND BETWEEN DAUPHIN ISLAND AND
CODEN.


&&

$$

JG

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KGRR [091849]: Preliminary Local Storm Report

NWUS53 KGRR 091849
LSRGRR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
249 PM EDT WED MAY 09 2012

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

0244 PM HAIL BELDING 43.10N 85.23W
05/09/2012 M0.25 INCH IONIA MI TRAINED SPOTTER

PEA SIZE HAIL FELL FOR 2 MINUTES AND NEARLY COVERED THE
GROUND BEFORE IT STOPPED.


&&

$$

BMARINO

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KLIX [091844]: Preliminary Local Storm Report

NWUS54 KLIX 091844
LSRLIX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
144 PM CDT WED MAY 09 2012

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

1142 AM WATER SPOUT 3 S PASCAGOULA 30.32N 88.55W
05/09/2012 GMZ532 MS EMERGENCY MNGR

JACKSON CO EMERGENCY MANAGEMENT REPORTED TWO WATERSPOUTS
JUST OFFSHORE. MEDIA PHOTOS TAKEN OF THESE SPOUTS.
MOVEMENT WAS TO THE SOUTHEAST 15 KNOTS.


&&

$$

24/RR

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KGRR [091844]: Preliminary Local Storm Report

NWUS53 KGRR 091844
LSRGRR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
244 PM EDT WED MAY 09 2012

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

0237 PM HAIL 1 SW EATON RAPIDS 42.50N 84.66W
05/09/2012 E0.25 INCH EATON MI TRAINED SPOTTER

HAIL LESS THAN PEA SIZED IN DIAMETER.


&&

$$

NJJ

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KCAE [091837]: Preliminary Local Storm Report

NWUS52 KCAE 091837
LSRCAE

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
237 PM EDT WED MAY 09 2012

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

1230 PM TSTM WND DMG 4 ENE AIKEN 33.55N 81.66W
05/09/2012 AIKEN SC EMERGENCY MNGR

EMERGENCY MANAGER REPORTED SEVERAL TREES DOWN IN THE
NICHOLSON VILLAGE AREA EAST OF AIKEN. A TIN ROOF WAS ALSO
TAKEN OFF A BUILDING AND UNDERPINNING OF SOME MOBILE
HOMES WAS DAMAGED.


&&

$$

SJN

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WATCHES: Severe Thunderstorm Watch Number 269

WWUS20 KWNS 091802
SEL9
SPC WW 091802
GAZ000-SCZ000-CWZ000-100100-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 269
NWS STORM PREDICTION CENTER NORMAN OK
200 PM EDT WED MAY 9 2012

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

EASTERN GEORGIA
SOUTHEAST SOUTH CAROLINA
COASTAL WATERS

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 200 PM UNTIL
900 PM EDT.

HAIL TO 1.5 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 35
STATUTE MILES EITHER SIDE OF A LINE FROM 30 MILES NORTH NORTHEAST
OF CHARLESTON SOUTH CAROLINA TO 55 MILES SOUTHWEST OF SAVANNAH
GEORGIA. 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...A BAND OF TSTMS...INCLUDING A BOWING SEGMENT...HAS
EVOLVED OVER THE LOWER SAVANNAH RIVER VALLEY THIS AFTERNOON. INFLOW
AIR MASS IS WARM AND MOIST WITH MLCAPE OF 1000-2000 J/KG. THIS
INSTABILITY COUPLED WITH FORCING FOR ASCENT ATTENDANT TO A WEAK
MIDLEVEL IMPULSE MOVING ACROSS THE REGION SHOULD SUSTAIN ONGOING
STORMS EWD ACROSS THE WATCH AREA. ADDITIONAL STORMS ARE EXPECTED TO
DEVELOP INVOF THE COAST ALONG SEA BREEZE CIRCULATION. WHILE
DAMAGING WINDS APPEAR TO BE THE PRIMARY HAZARD...SOME HAIL IS ALSO
POSSIBLE WITH THE STRONGEST STORMS.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 27025.


...MEAD

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KGRR [091753]: Preliminary Local Storm Report

NWUS53 KGRR 091753
LSRGRR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
153 PM EDT WED MAY 09 2012

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

0148 PM HAIL 1 ESE LANSING 42.73N 84.53W
05/09/2012 M0.25 INCH INGHAM MI FIRE DEPT/RESCUE

PEA SIZE HAIL WAS REPORTED TO BE FALLING AT SPARROW
HOSPITAL. JUST PEA SIZE HAIL WAS FALLING AT THIS TIME.


&&

$$

BMARINO

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KVEF [091748]: Preliminary Local Storm Report...corrected

NWUS55 KVEF 091748
LSRVEF

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE LAS VEGAS NV
1047 AM PDT WED MAY 09 2012

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

0315 PM NON-TSTM WND DMG 5 ENE LAS VEGAS 36.19N 115.06W
05/07/2012 CLARK NV PUBLIC

A DUST DEVIL DEVELOPED IN A DIRT LOT NEAR NELLIS
BOULEVARD AND LAKE MEAD BOULEVARD THEN TRACKED SOUTH
ALONG NELLIS BOULEVARD. THE DUST DEVIL KNOCKED OVER A
CINDER BLOCK WALL AND A LIGHT POLE AT A BUSINESS NEAR
NELLIS BOULEVARD AND KELL LANE. THE DUST DEVIL LASTED
ABOUT 35 SECONDS AT THIS LOCATION PER AN EMPLOYEE AND WAS
CAUGHT BY A SECURITY CAMERA. ADDITIONAL DAMAGE WAS DONE
TO TELEPHONE POLES IN THE AREA AS WELL AS TO ANOTHER
NEARBY BUSINESS AS WELL AS THE ROOF OF A NEARBY APARTMENT
COMPLEX.

0330 PM NON-TSTM WND DMG 2 ENE LAS VEGAS 36.18N 115.11W
05/07/2012 CLARK NV BROADCAST MEDIA

DAMAGE TO A ROOF OF A BUSINESS NEAR THE INTERSECTION OF
EASTERN AND OWENS AND ALSO KNOCKED DOWN TREES AT THE
SHOPPING CENTER. THE DAMAGE WAS CAUSED BY A DUST DEVIL.

0330 PM NON-TSTM WND DMG 1 NE GREEN VALLEY 36.07N 115.07W
05/07/2012 CLARK NV BROADCAST MEDIA

THREE TREES WERE UPROOTED AT SUNSET DRIVE AND VALLEY
VERDE DRIVE IN HENDERSON.

0330 PM NON-TSTM WND DMG 5 NNW GREEN VALLEY 36.11N 115.12W
05/07/2012 CLARK NV BROADCAST MEDIA

DAMAGE TO THE ROOF OF A BUSINESS LOCATED NEAR THE
INTERSECTION OF EASTERN AND FLAMINGO. A NATIONAL WEATHER
SERVICE EMPLOYEE SURVEYED THE DAMAGE AND INTERVIEWED THE
PUBLIC AND THE DAMAGE WAS DETERMINED TO BE CAUSED BY A
DUST DEVIL. IN ADDITION PART OF THE INSERT OF A SIGN AND
A LARGE CERAMIC FOUNTAIN WERE ALSO DAMAGED AND AN AWNING
ON THE BUSINESS COLLAPSED.

0330 PM NON-TSTM WND DMG NORTH LAS VEGAS 36.27N 115.14W
05/07/2012 CLARK NV BROADCAST MEDIA

HIGH WINDS KNOCKED OUT POWER TO 2,000 CUSTOMERS IN NORTH
LAS VEGAS.

0440 PM NON-TSTM WND DMG 4 NW LAS VEGAS 36.22N 115.20W
05/07/2012 CLARK NV NEWSPAPER

WIND GUSTS OF AT LEAST 40 MPH BROKE A TREE AND TORE A
SWAMP COOLER OFF THE ROOF OF A HOUSE IN NORTH LAS VEGAS
NEAR CHEYENNE AVENUE AND VALLEY DRIVE.

1230 AM TSTM WND DMG 1 SSE AMBOY 34.56N 115.74W
05/08/2012 SAN BERNARDINO CA CO-OP OBSERVER

GUSTY WINDS FROM A DRY THUNDERSTORM KNOCKED OUT POWER TO
AMBOY FOR ABOUT 3 HOURS AND DROPPED VISIBILITY TO ABOUT
100 YARDS FOR TWO HOURS.


&&
THIS IS AN UPDATE TO THE DAMAGE REPORTS FROM MONDAY. A TOTAL OF 3
DUST DEVILS DEVELOPED ON THE EAST SIDE OF THE LAS VEGAS VALLEY
CAUSING DAMAGE. NEW REPORTS OF DAMAGE WERE ADDED FROM THE THIRD DUST
DEVIL AS WELL AS ADDITIONAL DETAILS ON ANOTHER.
$$

STACHELSKI

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KIWX [091709]: Preliminary Local Storm Report

NWUS53 KIWX 091709
LSRIWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
109 PM EDT WED MAY 09 2012

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

0108 PM HAIL 2 SE MONTPELIER 41.56N 84.58W
05/09/2012 E0.25 INCH WILLIAMS OH TRAINED SPOTTER


&&

$$

MCS

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MESO: Mesoscale Discussion 0765

ACUS11 KWNS 091659
SWOMCD
SPC MCD 091659
SCZ000-GAZ000-FLZ000-ALZ000-091900-

MESOSCALE DISCUSSION 0765
NWS STORM PREDICTION CENTER NORMAN OK
1159 AM CDT WED MAY 09 2012

AREAS AFFECTED...FAR SRN SC/SRN GA/PARTS OF NRN FL AND THE FL
PANHANDLE/FAR SERN AL

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 091659Z - 091900Z

PROBABILITY OF WATCH ISSUANCE...40 PERCENT

SUMMARY...DESTABILIZING AIRMASS AHEAD OF THE SLOWLY ADVANCING COLD
FRONT SHOULD PERMIT INCREASING CONVECTIVE DEVELOPMENT THIS
AFTERNOON. DEGREE OF SEVERE POTENTIAL MAY EVENTUALLY REQUIRE WW
ISSUANCE.

DISCUSSION...LATEST VISIBLE SATELLITE IMAGERY SHOWS PARTLY CLOUDY
CONDITIONS -- AND THUS ONGOING HEATING/DESTABILIZATION -- FROM SERN
SC WSWWD INTO THE FL PANHANDLE AHEAD OF THE ADVANCING COLD FRONT.
OBJECTIVE ANALYSES SHOW MIXED-LAYER CAPE VALUES NOW INTO THE 1000 TO
1500 J/KG RANGE ACROSS THIS AREA...SUPPORTING A CONVECTIVE INCREASE
OBSERVED IN BOTH RADAR AND VISIBLE SATELLITE IMAGERY.

WHILE THE KINEMATIC ENVIRONMENT ACROSS THIS AREA REMAINS MODEST --
FLOW REMAINS GENERALLY UNIDIRECTIONAL FROM THE WSW AND LESS THAN 30
KT THROUGH THE LOWER HALF OF THE TROPOSPHERE...MODEST INCREASES IN
MID-LEVEL FLOW ARE POSSIBLE AS THE UPPER TROUGH SHIFTS SEWD WITH
TIME THUS INCREASING THE HEIGHT GRADIENT.

GIVEN THE COMBINATION OF FURTHER/MODEST DESTABILIZATION AND SOME
POSSIBLE INCREASE IN THE MID-LEVEL FLOW FIELD...A FEW STRONGER
STORMS SHOULD BECOME CAPABLE OF PRODUCING AT LEAST MARGINAL HAIL AND
LOCALLY GUSTY/DAMAGING WINDS. THIS EVOLUTION COULD REQUIRE SEVERE
THUNDERSTORM WATCH ISSUANCE -- POSSIBLY IN THE NEXT 1-2 HOURS.

..GOSS/MEAD.. 05/09/2012

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

ATTN...WFO...CHS...JAX...FFC...TAE...

LAT...LON 32728061 31018138 30728181 29658506 30378621 31508515
32468248 33058116 32728061

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MESO: Mesoscale Discussion 0764

ACUS11 KWNS 091656
SWOMCD
SPC MCD 091656
TXZ000-NMZ000-AZZ000-091900-

MESOSCALE DISCUSSION 0764
NWS STORM PREDICTION CENTER NORMAN OK
1156 AM CDT WED MAY 09 2012

AREAS AFFECTED...SERN AZ...SWRN NM

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 091656Z - 091900Z

PROBABILITY OF WATCH ISSUANCE...20 PERCENT

SUMMARY...SCATTERED THUNDERSTORMS WILL PRODUCE STRONG TO POTENTIALLY
DAMAGING WIND GUSTS INTO THIS AFTERNOON/EARLY EVENING. THE STRONGEST
STORMS THIS AFTERNOON WILL ALSO POSE A MARGINALLY SEVERE HAIL
THREAT.

DISCUSSION...THUNDERSTORMS CONTINUE TO INCREASE IN COVERAGE AND
INTENSITY WITH DIURNAL HEATING IN ADVANCE OF UPPER LOW OVER NWRN
MEXICO. LARGE TEMP-DEW POINT SPREADS WILL DEVELOP BY EARLY AFTERNOON
PROMOTING AN INCREASED THREAT OF STG/DAMAGING WIND GUSTS WITH THE
STRONGER STORMS. STEEP LAPSE RATES COMBINED WITH COOL TEMPERATURES
ALOFT WILL ALSO RESULT IN A MARGINAL HAIL THREAT THIS AFTERNOON AS
INSTABILITY INCREASES TO AROUND 1000 J/KG. WHILE A WATCH IS NOT
ANTICIPATED IN THE SHORT TERM CONVECTIVE TRENDS WILL CONTINUE TO BE
MONITORED.

..BUNTING/MEAD/LEITMAN.. 05/09/2012

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

ATTN...WFO...ABQ...EPZ...TWC...FGZ...PSR...

LAT...LON 31300942 31321109 31821264 32431299 33421245 33851155
33860985 33440868 32960729 32030649 31780654 31750824
31300822 31300942

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DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 091648
SWODY2
SPC AC 091647

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1147 AM CDT WED MAY 09 2012

VALID 101200Z - 111200Z

...THERE IS A SLGT RISK OF SVR TSTMS OVER S TX...

...SYNOPSIS...

AMPLIFIED BUT PROGRESSIVE SPLIT FLOW REGIME WILL PERSIST THURSDAY.
UPPER TROUGH NOW OVER THE OH VALLEY WILL ADVANCE THROUGH THE NERN
U.S. AND MID ATLANTIC...WHILE AN UPSTREAM TROUGH MOVES THROUGH THE
NRN ROCKIES. CUTOFF LOW OVER NWRN MEXICO IS FCST TO MOVE SLOWLY EAST
INTO SWRN TX. COLD FRONT ATTENDING THE LEAD NRN STREAM UPPER TROUGH
WILL MOVE OFF THE ATLANTIC SEABOARD BY LATE WEDNESDAY NIGHT.
TRAILING PORTIONS OF THIS BOUNDARY WILL EXTEND SWWD THROUGH FL AND
INTO DEEP S TX WHERE IT SHOULD REMAIN STATIONARY.

...S TX...

STORMS WILL LIKELY BE IN PROGRESS EARLY THURSDAY MAINLY WITHIN ZONE
OF ISENTROPIC ASCENT NORTH OF STALLED FRONT WITH GREATEST COVERAGE
OF STORMS EXPECTED FROM SWRN INTO SCNTRL TX. LOW CLOUDS SHOULD AT
LEAST PARTIALLY DIMINISH IN S TX WARM SECTOR AS MIXING COMMENCES
WITH DIABATIC HEATING CONTRIBUTING TO 1500-2000 J/KG MLCAPE. A 50+
KT MID LEVEL JET ROTATING THROUGH BASE OF THE APPROACHING UPPER LOW
WILL CONTRIBUTE TO 40-50 KT VERTICAL SHEAR SUPPORTIVE OF ORGANIZED
CONVECTION. STORMS MAY DEVELOP OVER THE HIGHER TERRAIN OF MEXICO AND
MOVE EAST INTO S TX. OTHER STORMS MAY FORM ALONG CONVECTIVELY
REINFORCED STATIONARY FRONT. SUPERCELLS WITH LARGE HAIL AND PERHAPS
A TORNADO OR TWO WILL BE POSSIBLE. HOWEVER...STORMS MAY EVENTUALLY
EVOLVE INTO A FORWARD PROPAGATING MCS WITH A THREAT OF DAMAGING WIND
AS THEY DEVELOP EWD SUPPORTED BY FAVORABLE 0-2 KM MOIST AND UNSTABLE
SELY STORM RELATIVE INFLOW.

..DIAL.. 05/09/2012

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KBRO [091639]: Preliminary Local Storm Report...summary

NWUS54 KBRO 091639
LSRBRO

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1138 AM CDT WED MAY 09 2012

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

1200 PM TSTM WND DMG SAN YGNACIO 27.03N 99.45W
05/08/2012 ZAPATA TX EMERGENCY MNGR

THREE TO FOUR HOMES WITH ROOF DAMAGE IN SAN YGNACIO AS
WELL AS ONE MOBILE HOME DESTROYED.

1200 PM TSTM WND GST SAN YGNACIO 27.03N 99.45W
05/08/2012 E65 MPH ZAPATA TX EMERGENCY MNGR

ZAPATA COUNTY EMERGENCY MANAGER REPORTS THUNDERSTORM
WIND GUSTS OF 60 TO 65 MPH OCCURRED IN SAN YGNACIO.

1211 PM HEAVY RAIN SAN YGNACIO 27.03N 99.45W
05/08/2012 E1.00 INCH ZAPATA TX TRAINED SPOTTER

1235 PM TSTM WND GST ZAPATA 26.89N 99.26W
05/08/2012 M62 MPH ZAPATA TX AWOS

0103 PM TSTM WND DMG ZAPATA 26.89N 99.26W
05/08/2012 ZAPATA TX PUBLIC

SEVERAL TREES DOWN AROUND 4 INCHES IN DIAMETER AT 4TH
AND FLORES STREETS IN ZAPATA.

0323 PM HAIL ZAPATA 26.89N 99.26W
05/08/2012 E1.00 INCH ZAPATA TX PUBLIC

QUARTER SIZE HAIL REPORTED AT LINCOLN AND 5TH STREET.

0326 PM TSTM WND GST ZAPATA 26.89N 99.26W
05/08/2012 E60 MPH ZAPATA TX PUBLIC

WIND GUSTS ESTIMATED 60 TO 65 MPH AT LINCOLN AND 5TH
STREET.

0335 PM HEAVY RAIN ZAPATA 26.89N 99.26W
05/08/2012 U0.00 INCH ZAPATA TX LAW ENFORCEMENT

STREET FLOODING WITH BRIEFLY UP TO 3 FEET OF MOVING
WATER NEAR INTERSECTION OF IRENE AND US 83.

0510 PM TSTM WND DMG 6 N SAN MANUEL 26.66N 98.11W
05/08/2012 HIDALGO TX LAW ENFORCEMENT

*** 1 INJ *** SEMI TRAILER BLOWN OVER ON US 281 6 MILES
NORTH OF TX HWY 186.

0510 PM DOWNBURST 6 N SAN MANUEL 26.66N 98.12W
05/08/2012 E80 MPH HIDALGO TX COUNTY OFFICIAL

CONSTABLE REPORTED HOME LOST NUMEROUS SHIGLES... ONE
WINDOW BLOWN OUT... LARGE MESQUITE AND EBONY TREE
BRANCHES SNAPPED

0515 PM FUNNEL CLOUD ELSA 26.30N 97.99W
05/08/2012 HIDALGO TX PUBLIC

FUNNEL CLOUD REPORTED ON HWY 107 NEAR ELSA AT CORNER OF
CURVE AND DOOLITTLE.

0605 PM TSTM WND GST RAYMONDVILLE 26.48N 97.78W
05/08/2012 E60 MPH WILLACY TX EMERGENCY MNGR

WILLACY COUNTY EMERGENCY MANAGER REPORTS 50 TO 60 MPH
WINDS OCCURRED IN RAYMONDVILLE.


&&

EVENT NUMBER BRO1200090 BRO1200096 BRO1200097 BRO1200088 BRO1200089
BRO1200091 BRO1200092 BRO1200093 BRO1200098 BRO1200099 BRO1200095
BRO1200094

$$

JMS

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 091610
SWODY1
SPC AC 091608

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1108 AM CDT WED MAY 09 2012

VALID 091630Z - 101200Z

...THERE IS A SLGT RISK OF SVR TSTMS THIS AFTERNOON AND EVENING
ACROSS THE ERN CAROLINAS INTO SRN GA...NRN FL...AND FAR SERN AL...

...SYNOPSIS...

AN AMPLIFIED...YET PROGRESSIVE LARGE-SCALE PATTERN WILL BE
MAINTAINED OVER THE CONUS THROUGH THE D1 PERIOD. POLAR BRANCH
TROUGH FROM HUDSON BAY TO MID MS VALLEY WILL INTENSIFY WHILE
ADVANCING EWD TOWARD THE ATLANTIC COAST...DOWNSTREAM FROM MIGRATORY
SYSTEM MOVING THROUGH WRN CANADA AND THE PACIFIC NW.
ELSEWHERE...SUBTROPICAL BRANCH UPPER LOW OVER THE GULF OF CA WILL
DRIFT EWD ACROSS NWRN MEXICO.

AT THE SURFACE...COLD FRONT FROM THE HUDSON VALLEY SSWWD ALONG THE
LEE OF THE CNTRL/SRN APPALACHIANS WILL ADVANCE EWD TO OFF THE
ATLANTIC COAST...WHILE SRN EXTENSION OF BOUNDARY SETTLES SWD INTO
THE FL PENINSULA.

...MID ATLANTIC COAST TO FL THIS AFTERNOON AND EVENING...

VISIBLE SATELLITE IMAGERY SHOWS WIDESPREAD CLOUDS ACROSS PRE-FRONTAL
WARM SECTOR FROM SERN VA INTO THE CAROLINAS WITH THE POTENTIAL FOR
STRONGER DAYTIME HEATING AND RESULTANT AIR MASS DESTABILIZATION
ACROSS SRN GA INTO FL. LOW-LEVEL UPLIFT ALONG THE FRONT COMBINED
WITH A COUPLED UPPER-LEVEL JET STRUCTURE AND INCREASING HEIGHT FALLS
AHEAD OF MIDLEVEL TROUGH WILL RESULT IN AN UPSWING IN TSTM
DEVELOPMENT THIS AFTERNOON...ESPECIALLY WHERE GREATER INSTABILITY
CAN DEVELOP.

LATEST MODEL GUIDANCE AND CURRENT OBSERVATIONAL DATA SUGGEST THAT
THE STRONGEST MID AND HIGH-LEVEL FLOW /AND RESULTING VERTICAL SHEAR/
WILL REMAIN WITHIN POST-FRONTAL ENVIRONMENT FROM THE CNTRL
APPALACHIANS INTO THE LOWER GREAT LAKES. THE EXCEPTION MAY BE
ACROSS SRN GA INTO NRN FL LATER THIS AFTERNOON INTO EVENING AS THE
EXIT REGION OF THE SUBTROPICAL JET EDGES EWD. DAMAGING WINDS WILL
BE THE PRIMARY SEVERE WEATHER HAZARD WITH DEVELOPING MULTICELL
CLUSTERS/LINE SEGMENTS...THOUGH SOME HAIL IS POSSIBLE.

...SRN TX THIS AFTERNOON AND TONIGHT...

WEAK...BUT PERSISTENT WAA AND POST-FRONTAL UPSLOPE ALONG THE HIGH
TERRAIN OF NRN MEXICO ARE LIKELY TO FOSTER AN INCREASE IN TSTMS
LATER TODAY INTO TONIGHT. WLY MEAN FLOW WILL ALLOW TSTMS TO MOVE
INTO THE REGION /MAINLY TONIGHT/ WITHIN AN ENVIRONMENT FEATURING A
RESIDUAL EML AND MOIST LOW-LEVEL ENVIRONMENT AND RESULTING MODERATE
INSTABILITY. GIVEN THE COLLOCATION OF THE SUBTROPICAL JET
AXIS...SUFFICIENT CLOUD-BEARING SHEAR WILL EXIST TO SUPPORT
ORGANIZED/ROTATING UPDRAFTS WITH A RISK FOR SOME HAIL AND PERHAPS
LOCALLY STRONG WIND GUSTS.

...SERN AZ/SWRN NM/FAR WRN TX THIS AFTERNOON AND EVENING...

THE SLOW EWD ADVANCEMENT OF UPPER LOW AND ASSOCIATED MIDLEVEL COLD
POOL ATOP WRN EXTENSION OF LOW-LEVEL MOISTURE AXIS WITHIN
POST-FRONTAL ELY/ENELY FLOW REGIME WILL CONTRIBUTE TO AIR MASS
DESTABILIZATION TODAY. HEATING ALONG THE HIGH TERRAIN COUPLED WITH
UPPER-LEVEL DIVERGENCE IMMEDIATELY DOWNSTREAM FROM THE LOW WILL GIVE
RISE TO WIDELY SCATTERED TSTMS THIS AFTERNOON AND EVENING. SEVERE
HAIL WILL BE POSSIBLE WITH THE STRONGEST STORMS...AS WILL DAMAGING
WIND GUSTS OWING TO THE DEVELOPMENT OF A DEEPLY MIXED BOUNDARY LAYER
AND MODERATELY STRONG ELY FLOW BELOW 3 KM /PER 12Z TUCSON SOUNDING/.

..MEAD/BUNTING/LEITMAN.. 05/09/2012

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MESO: Mesoscale Discussion 0763

ACUS11 KWNS 091532
SWOMCD
SPC MCD 091532
NCZ000-SCZ000-GAZ000-091700-

MESOSCALE DISCUSSION 0763
NWS STORM PREDICTION CENTER NORMAN OK
1032 AM CDT WED MAY 09 2012

AREAS AFFECTED...SC/FAR ERN GA

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 091532Z - 091700Z

PROBABILITY OF WATCH ISSUANCE...20 PERCENT

SUMMARY...CONVECTION CONTINUES TO INCREASE ACROSS WESTERN SC AND
ADJACENT AREAS...BUT ENVIRONMENT SHOULD REMAIN UNSUPPORTIVE OF
SUBSTANTIAL SEVERE POTENTIAL.

DISCUSSION...LATEST RADAR LOOP SHOWS A BAND OF THUNDERSTORMS MOVING
EWD ACROSS WRN SC AND EXTREME E CENTRAL GA ATTM...AIDED BY A BAND OF
WEAK ASCENT WHICH IS EVIDENT IN WATER VAPOR IMAGERY SHIFTING ACROSS
THIS REGION IN ADVANCE OF THE LARGER-SCALE UPPER TROUGH. THE
CONVECTION IS ONGOING WITHIN AN ENVIRONMENT FEATURING ONLY MODEST
CAPE...WHERE POTENTIAL FOR ADDITIONAL DESTABILIZATION WILL REMAIN
LIMITED DUE TO MODEST LAPSE RATES AND SUBSTANTIAL CLOUD COVER.
ALONG WITH THE LIMITED INSTABILITY...A MODEST KINEMATIC ENVIRONMENT
IS ALSO IN PLACE ACROSS THE AREA -- WITH UNIDIRECTIONAL WSWLY FLOW
AOB 30 KT THROUGH THE LOWER HALF OF THE TROPOSPHERE.

AS STORMS CONTINUE SHIFTING EWD...WEAK/SLOW DESTABILIZATION INTO THE
AFTERNOON HOURS COULD PERMIT A FEW STORMS TO BECOME CAPABLE OF
PRODUCING MARGINAL HAIL/WIND. HOWEVER...ATTM EXPECT THREAT TO
REMAIN SUFFICIENTLY LIMITED TO PRECLUDE THE NEED FOR WW ISSUANCE.

..GOSS.. 05/09/2012

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

ATTN...WFO...RAH...ILM...CHS...CAE...GSP...FFC...

LAT...LON 32808132 33008239 34778163 35438044 35327892 34397854
33198023 32808132

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KBMX [091317]: Preliminary Local Storm Report

NWUS54 KBMX 091317
LSRBMX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
817 AM CDT WED MAY 09 2012

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

0730 PM FLASH FLOOD 2 SSE BEAVERTON 33.90N 88.01W
05/08/2012 LAMAR AL 911 CALL CENTER

SEVERAL ROADS IN THE AREA CLOSED DUE TO WATER OVER THEM.


&&

$$

REM

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KBMX [091307]: Preliminary Local Storm Report

NWUS54 KBMX 091307
LSRBMX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
806 AM CDT WED MAY 09 2012

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

0730 PM FLASH FLOOD VERNON 33.76N 88.11W
05/08/2012 LAMAR AL EMERGENCY MNGR

HIGHWAY 18 IN VERNON CLOSED DUE TO WATER OVER THE
ROADWAY.


&&

$$

REM

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 091253
SWODY1
SPC AC 091251

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0751 AM CDT WED MAY 09 2012

VALID 091300Z - 101200Z

...THERE IS A SLGT RISK OF SVR TSTMS FROM THE NERN GULF CST INTO THE
CAROLINAS/SE VA...

...SYNOPSIS...
POSITIVE TILT UPR GRT LKS/MID MS VLY TROUGH APPEARS TO BE AMPLIFYING
ATTM AND SHOULD FURTHER AMPLIFY AS JET STREAK NOW OVER THE MN
ARROWHEAD ADVANCES SSE INTO IL/IND. THE TROUGH SHOULD REACH THE MID
OH VLY THIS EVE...AND THE MID ATLANTIC STATES EARLY THU...ASSUMING A
MORE NEUTRAL TILT IN THE PROCESS. ELSEWHERE...NW MEXICO UPR LOW
EXPECTED TO TURN E ACROSS NRN SONORA TODAY/TNGT...AND BE LOCATED S
OF EL PASO BY 12Z THU.

AT THE SFC...DIFFUSE COLD FRONT ASSOCIATED WITH GRT LKS/MS VLY
TROUGH SHOULD PROGRESS SLOWLY E/SE ACROSS THE MID ATLANTIC
STATES...CAROLINAS...AND GA. THE LEADING WIND SHIFT SHOULD REACH A
NYC-ORF-FLO-VAD-VPS LINE BY EVE...AND MAY SERVE AS A FOCUS FOR
STRONG TO POSSIBLY SVR STORMS LATER TODAY.

...NERN GULF/GA TO CAROLINAS/MID ATLANTIC CST THIS AFTN/EVE...
COLD FRONTAL ZONE WILL PROGRESS SLOWLY SE ACROSS AL/GA/N FL...AND E
ACROSS THE CAROLINAS/VA/MD/DE LATER TODAY AND TNGT. THERMODYNAMIC
ENVIRONMENT INVOF FRONT WILL BE CHARACTERIZED BY WEAK MID LVL LAPSE
RATES AND ABUNDANT CLOUDS...BUT SUBSTANTIAL MOISTURE /PW AOA 1.50
INCHES/. POCKETS OF MODERATE LOW LVL DESTABILIZATION WILL
NEVERTHELESS OCCUR AHEAD OF THE BOUNDARY...ESPECIALLY ALONG THE NERN
GULF CST AND OVER THE ERN CAROLINAS/ERN VA...WHERE AFTN SBCAPE COULD
REACH 1500 J/KG.

WINDS ACROSS THE SLGT RISK REGION...INITIALLY MODEST...WILL INCREASE
WITH TIME AS UPR TROUGH AMPLIFIES ESEWD. THIS WILL BE ESPECIALLY
TRUE OVER THE ERN CAROLINAS/SE VA...WHERE 500 MB WSWLY FLOW WILL
APPROACH 40 KTS BY EVE. COUPLED WITH INCREASING UPR DIVERGENCE IN
DEVELOPING JET ENTRANCE REGION ASSOCIATED WITH UPR TROUGH...SETUP
THERE MAY YIELD A FEW LOOSELY-ORGANIZED BANDS OF STORMS WITH STRONG
TO POSSIBLY LOCALLY DMGG WINDS INTO EARLY TNGT. FARTHER S...SFC
HEATING AND SOMEWHAT STEEPER LOW-TO-MID LVL LAPSE RATES MAY SUPPORT
MORE WIDELY SCTD...W-TO-E MOVING STORMS WITH STRONG WINDS OVER S
GA/N FL.

...S TX LATER TODAY/TNGT...
MOIST...POST COLD-FRONTAL UPSLOPE FLOW WILL REMAIN FAVORABLE FOR
TSTM DEVELOPMENT OVER THE HIGHER TERRAIN OF NE MEXICO THROUGH THE
PERIOD...WITH THE GREATEST LIKELIHOOD FOR STORMS EXPECTED TO OCCUR
IN RESPONSE TO SFC HEATING. THE STORMS SHOULD MOVE GENERALLY EWD
WITH 30 KT WLY MID LVL FLOW...AND COULD AFFECT S TX WITH A
CONDITIONAL RISK FOR SVR HAIL/LOCALLY DMGG WIND LATE THIS AFTN INTO
TNGT. ABSENCE OF LARGE SCALE FORCING FOR ASCENT AND LARGELY
ELEVATED NATURE OF THE CONVECTION SUGGEST THAT ANY SVR THREAT WILL
REMAIN ISOLD.

...SE AZ/SRN NM INTO FAR W TX THIS AFTN/EVE...
WWD-MOVING LOW-LVL OUTFLOW FROM YESTERDAYS TSTMS HAS MOISTENED THE
BOUNDARY LAYER ACROSS PARTS OF NM AND SRN/ERN AZ. TODAY THE REGION
WILL REMAIN IN ZONE OF MODERATE ELY MID LVL FLOW ON N SIDE OF
MEXICAN UPR LOW. THIS SETUP MAY YIELD A FEW PULSE STORMS WITH
MARGINALLY SVR HAIL EWD INTO FAR W TX. A LIMITED THREAT ALSO WILL
EXIST FOR A FEW STORMS WITH GUSTY WINDS IN SE AZ/SRN NM...WHERE
INVERTED-VEE TYPE SOUNDINGS SUGGEST GUST POTENTIAL WILL BE ENHANCED
BY SUB-CLOUD EVAPORATIVE COOLING.

..CORFIDI/GARNER.. 05/09/2012

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KCHS [091203]: Preliminary Local Storm Report

NWUS52 KCHS 091203
LSRCHS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
802 AM EDT WED MAY 09 2012

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

1100 PM HIGH ASTR TIDES 1 E CHARLESTON 32.78N 79.93W
05/08/2012 CHARLESTON SC TIDE GAGE

A MAXIMUM TIDE LEVEL OF 7.26 FT MLLW WAS OBSERVED AT
THE CHARLESTON HARBOR TIDE GAGE. SHALLOW COASTAL
FLOODING TYPICALLY BEGINS ALONG THE LOWER SOUTH CAROLINA
COAST WHEN TIDE LEVELS REACH 7.0 FT MLLW IN THE
CHARLESTON HARBOR.


&&

EVENT NUMBER CHS1200132

$$

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KCLE [091128]: Preliminary Local Storm Report

NWUS51 KCLE 091128
LSRCLE

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CLEVELAND OH
728 AM EDT WED MAY 09 2012

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

0740 PM HAIL 5 NW JEFFERSON 41.79N 80.84W
05/07/2012 E1.25 INCH ASHTABULA OH PUBLIC

QUARTER SIZE TO DOLLAR SIZE HAIL IN AUSTINBURG.


&&

$$

KIELTYKA

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DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 090831
SWOD48
SPC AC 090830

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0330 AM CDT WED MAY 09 2012

VALID 121200Z - 171200Z

...DISCUSSION...
MID-UPPER LEVEL LOW NOW OVER NWRN MEX IS FCST TO MOVE ENEWD ACROSS
LOWER MS VALLEY AND SERN STATES AS A MUCH WEAKER/OPEN-WAVE
PERTURBATION DAYS 4-5/12TH-14TH...BECOMING ILL-DEFINED AMIDST
LARGER-SCALE TROUGHING OVER ERN CONUS. ANY RELATED SVR POTENTIAL
APPEARS TOO MRGL...CONDITIONAL AND POORLY FOCUSED FOR 30% RISK AREA.
FROM LATE DAY-4 THROUGH AT LEAST DAY-6/14TH-15TH...PATTERN ALOFT
WILL TRANSITION TO ONE DOMINATED BY HIGH HEIGHTS AND WEAK FLOW OVER
MOST OF WRN CONUS...AND MEAN TROUGHING IN ERN STATES. THIS RESULTS
IN TOO MUCH DISPLACEMENT OF DEEP-LAYER SHEAR FROM SUBSTANTIAL
LOW-LEVEL THETAE TO SUPPORT WELL-ORGANIZED SVR THREAT.

..EDWARDS.. 05/09/2012

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DAY3SVR: Nws Storm Prediction Center Norman Ok

ACUS03 KWNS 090657
SWODY3
SPC AC 090655

DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0155 AM CDT WED MAY 09 2012

VALID 111200Z - 121200Z

...SYNOPSIS...
UPPER-AIR PATTERN IS FCST TO LOSE SOME AMPLITUDE OVER CONUS AS THREE
MAIN PROCESSES OCCUR...
1. E COAST TROUGH FROM DAY-2 MOVES OFFSHORE BY EARLY DAY-3...
2. POSITIVELY TILTED NRN STREAM SHORTWAVE MOVES ENEWD FROM NRN HIGH
PLAINS TO NRN ONT...WHILE CONTINUING GRADUAL DEAMPLIFICATION...AND
3. SRN-STREAM CYCLONE NOW OVER NRN BAJA DRIFTS EWD TO NEWD ACROSS
CENTRAL TX AND CONTINUES SLOW FILLING/WEAKENING.

SFC COLD FRONT RELATED TO CANADIAN-BORDER PERTURBATION WILL MOVE
SEWD ACROSS LS...UPPER MS VALLEY AND CENTRAL PLAINS...REACHING LOWER
MI...IL...MO AND ERN OK BY 12/12Z. THIS FRONT WILL BECOME DIFFUSE
FARTHER W AND SW ACROSS SRN HIGH PLAINS...AMIDST WEAK NLY FLOW ON
BOTH SIDES THAT IS RELATED TO SRN-STREAM SYSTEM. MEANWHILE...GULF
OF MEXICO FRONTAL ZONE DISCUSSED IN DAY-2 OUTLOOK WILL DRIFT NWD
ACROSS PORTIONS S TX AND PERHAPS SWRN LA...WITH WEAK FRONTAL WAVE
LOW OR INFLECTION AREA NEAR TX COAST.

...MIDDLE-UPPER TX COASTAL PLAIN...
TSTMS ARE POSSIBLE INVOF WARM FRONTAL ZONE OVER THIS REGION...WITH
CONDITIONAL THREAT FOR TORNADOES OR DAMAGING GUSTS. ATTM
UNCERTAINTIES ARE TOO GREAT FOR CATEGORICAL RISK AREA.

ALTHOUGH MIDDLE-UPPER LEVEL PERTURBATION WILL BE
WEAKENING...LARGE-SCALE ASCENT AND NRN RIM OF STG UPPER-LEVEL FLOW
WILL SHIFT EWD ACROSS S TX IN ADVANCE OF IT...RELATED TO
CYCLONICALLY CURVED EXIT REGION OF 250-300 MB SUBTROPICAL JET MAX.
MEANWHILE...NEAR-SFC WINDS WILL BE RELATIVELY BACKED INVOF SFC
FRONTAL ZONE...CONTRIBUTING TO ENHANCED DEEP-LAYER SHEAR AND
POTENTIALLY ENLARGED LOW-LEVEL HODOGRAPHS. THOUGH FRONTAL POSITION
VARIES ACROSS S-CENTRAL/SE TX IN PROGS...FCST SOUNDINGS SAMPLING
THAT ENVIRONMENT DEPICT FAVORABLE HELICITY FOR SUPERCELLS AND
POTENTIAL TORNADO THREAT. FURTHER LENDING UNCERTAINTY--DAY-2 TSTM
COMPLEX MAY MODULATE LOCATION/STRENGTH OF FRONTAL ZONE INTO THIS
PERIOD...AND CLOUD COVER/PRECIP FROM EARLIER CONVECTION MAY HINDER
SFC DIABATIC HEATING OVER PARTS OF THIS AREA. WHERE SUSTAINED
HEATING CAN OCCUR...WEAK MIDLEVEL LAPSE RATES WILL BE OFFSET BY RICH
LOW-LEVEL THETAE AND WEAK CINH...TO GENERATE SUFFICIENT BUOYANCY FOR
TSTMS.

...UPPER MS VALLEY REGION...
BAND OF TSTMS MAY DEVELOP ALONG SFC COLD FRONT DURING
AFTERNOON/EARLY EVENING...OVER PORTIONS WI/SERN MN/IA. FCST
SOUNDINGS SUGGEST WEAK DEEP SHEAR...E.G. EFFECTIVE SHEAR LESS THAN
25 KT OVER MOST AREAS...AND MRGL LOW-LEVEL MOISTURE...LIMITING SVR
POTENTIAL.

..EDWARDS.. 05/09/2012

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KRNK [090609]: Preliminary Local Storm Report...summary

NWUS51 KRNK 090609
LSRRNK

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE BLACKSBURG VA
208 AM EDT WED MAY 09 2012

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

1030 PM FLASH FLOOD 2 S BOONES HILL 36.44N 80.57W
05/08/2012 SURRY NC EMERGENCY MNGR

2 HOMES EVACUATED

1235 AM FLASH FLOOD 1 NW LONG HILL 36.43N 80.53W
05/09/2012 SURRY NC EMERGENCY MNGR

ROADS CLOSED

1235 AM FLASH FLOOD 2 WSW WESTFIELD 36.46N 80.48W
05/09/2012 SURRY NC EMERGENCY MNGR

ROADS CLOSED

1235 AM FLASH FLOOD 1 NW LONG HILL 36.43N 80.53W
05/09/2012 SURRY NC EMERGENCY MNGR

ROAD CLOSED

1235 AM FLASH FLOOD 1 SE WHITE PLAINS 36.44N 80.63W
05/09/2012 SURRY NC EMERGENCY MNGR

ROAD CLOSED


&&

EVENT NUMBER RNK1200116 RNK1200117 RNK1200118 RNK1200119 RNK1200120

$$

AMS

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DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 090526
SWODY2
SPC AC 090525

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1225 AM CDT WED MAY 09 2012

VALID 101200Z - 111200Z

...THERE IS A SLGT RISK OF SVR TSTMS PORTIONS S TX...

...SYNOPSIS...
HIGH-AMPLITUDE UPPER-AIR PATTERN FCST ACROSS MOST OF CONUS THIS
PERIOD. POSITIVELY TILTED TROUGH THAT NOW EXTENDS FROM UPPER GREAT
LAKES TO CENTRAL PLAINS IS FCST TO BECOME NEARLY NEUTRALLY TILTED BY
START OF PERIOD...OVER ERN CONUS. ANCHORING/EMBEDDED UPPER LOW IS
PROGGED TO DEVELOP OVER SERN ONT/NRN NY REGION...AROUND
10/12Z-10/18Z TIME FRAME. THIS LOW IS EXPECTED TO PIVOT SEWD ACROSS
NY/NEW ENGLAND THROUGH REMAINDER PERIOD...AS TRAILING TROUGH MOVES
EWD TO MID-ATLC COAST. ASSOCIATED SFC COLD FRONT WILL BE OFFSHORE
MOST OF ATLC COAST BY 10/12Z...AND IS EXPECTED TO MOVE SEWD THROUGH
FL PENINSULA BY ABOUT 11/12Z.

SRN-STREAM CYCLONE -- NOW EVIDENT IN MOISTURE CHANNEL IMAGERY OVER
NRN BAJA -- IS EXPECTED TO TURN EWD ACROSS NWRN MEX DAY-1...REACHING
TX BIG BEND REGION BY 11/00Z. THIS SYSTEM WILL WEAKEN THROUGHOUT
PERIOD...AS IT TURNS ENEWD ACROSS PORTIONS SW TX. TRACK GUIDANCE
FOR THIS SYSTEM DIVERGES CONSIDERABLY AFTER 11/00Z...SPECTRAL
DEVIATING NEWD ACROSS W TX WHILE MOST OTHER PROGS PROCEED EWD WITH
REMNANT LOW OVER S-CENTRAL/SW TX.

AT SFC...WRN LIMB OF ATLC COAST FRONTAL ZONE WILL BECOME
QUASISTATIONARY OVER CENTRAL/WRN GULF...WHILE RETURNING NWD ACROSS
PART OF DEEP S AND PERHAPS S-CENTRAL AHEAD OF EJECTING/WEAKENING
UPPER PERTURBATION. FAVORABLE SFC MOISTURE WILL BE PRESENT ON BOTH
SIDES OF FRONT...GIVEN SUBSTANTIAL ELY FLOW COMPONENT EXPECTED TO
ITS IMMEDIATE N.

MEANWHILE...POSITIVELY TILTED NRN-STREAM SHORTWAVE TROUGH IS FCST TO
MOVE ACROSS NRN ROCKIES AND NRN HIGH PLAINS THIS PERIOD...WHILE
GRADUALLY DEAMPLIFYING. FOREGOING COLD FRONT SHOULD MOVE EWD ACROSS
NRN PLAINS AND SEWD OVER CENTRAL HIGH PLAINS...REACHING WRN
MN...CENTRAL NEB AND ERN CO BY 11/12Z. TSTM DEVELOPMENT MAY BE
FOCUSED ALONG/BEHIND SFC COLD FRONT FROM LATE AFTERNOON/EARLY
EVENING ONWARD...HOWEVER MOISTURE APPEARS TOO SCANT FOR SVR RISK
ATTM.

...S-CENTRAL TX...RIO GRANDE VALLEY...
ARC OF CONVECTION MAY BE ONGOING EARLY IN PERIOD OVER PARTS OF SW
AND FAR W TX...N THROUGH ENE OF MID-UPPER VORTEX...IN CONVEYOR OF
STRONGEST ELEVATED WAA/ASCENT. ISOLATED HAIL IS POSSIBLE...ALTHOUGH
PRIMARY SVR THREAT WILL BE WITH LATER ACTIVITY FARTHER SE. SERN
FRINGE OF THIS ARC MAY BE TIMED INTO HIGHER TERRAIN OF NRN COAHUILA
WITH AFTERNOON HEATING...AIDING IN PROCESS DESCRIBED BELOW.

SCATTERED TSTMS SHOULD FORM OVER SERRANIAS DEL BURRO RANGE OF NRN
COAHUILA...AND PERHAPS FARTHER E INVOF FRONT...DURING
AFTERNOON...WHEN STG DIABATIC HEATING MINIMIZES CINH. ACTIVITY WILL
MOVE EWD TO SEWD INTO ENVIRONMENT OF INCREASINGLY LARGE
BOUNDARY-LAYER THETAE...WITH SFC DEW POINTS MID-60S TO LOW-70S F
SUPPORTING MLCAPE 1500-2500 J/KG. MAIN UNCERTAINTY ATTM INVOLVES
SPECIFIC LOCATION OF SFC BAROCLINIC ZONE...WHOSE BACKED SFC FLOW
SHOULD ACT AS
1. ENHANCING MECHANISM FOR UPSLOPE FLOW AND TSTM DEVELOPMENT OVER
HIGHER TERRAIN OF MEX...
2. CORRIDOR OF RELATIVELY MAXIMIZED LOW-LEVEL LIFT AND
STORM-RELATIVE INFLOW FOR ANY ACTIVITY THAT CAN MOVE ALONG
BOUNDARY...AND
3. SOURCE OF ENHANCED LOW-LEVEL VORTICITY AND SRH...IN SUPPORT OF
SUPERCELL POTENTIAL WHILE CONVECTION STILL IS AT LEAST SOMEWHAT
DISCRETE.

LOW-LEVEL VERTICAL SHEAR WILL BE ENHANCED INVOF FRONT...WHILE DEEP
SHEAR AND LARGE-SCALE ASCENT ALOFT ARE MAXIMIZED BENEATH NRN FRINGE
OF CYCLONICALLY CURVED...SUBTROPICAL...UPPER-LEVEL SPEED MAX. FCST
SOUNDINGS SUGGEST CAPPING NEAR 700-MB LEVEL WILL STRENGTHEN WITH SWD
EXTENT FROM LRD-CRP LINE TOWARD LOWER VALLEY/MFE-BRO AREA...WHICH
APPEARS REASONABLE GIVEN ANTECEDENT SWLYS OFF OF MEX PLATEAU.
HOWEVER...ANY MCS THAT EVOLVES FROM AFTERNOON CONVECTION MAY PROVIDE
SUFFICIENT FORWARD-PROPAGATIONAL FORCED ASCENT TO TAP INTO RICHLY
MOIST BOUNDARY LAYER AND POTENTIALLY AFFECT THIS REGION.

..EDWARDS.. 05/09/2012

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 090433
SWODY1
SPC AC 090430

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1130 PM CDT TUE MAY 08 2012

VALID 091200Z - 101200Z

...THERE IS A SLGT RISK OF SVR TSTMS SERN STATES INTO THE MID
ATLANTIC...

...SYNOPSIS...
AN UPPER TROUGH EXTENDING FROM THE GREAT LAKES SWD TO THE LOWER MS
VALLEY WILL AMPLIFY AND PROGRESS EWD...REACHING THE ERN STATES BY
LATE PERIOD. THE ASSOCIATED COLD FRONT WILL PROGRESS OFFSHORE OF A
MAJORITY OF THE EAST AND GULF COASTS OVERNIGHT...BECOMING ORIENTED
WSWWD/WWD ACROSS THE CNTRL FL PENINSULA INTO S TX.

FARTHER W...A NRN BAJA UPPER LOW WILL DRIFT EWD INTO NRN
MEXICO...WHILE A CNTRL PLAINS SFC HIGH MAINTAINS UPSLOPE WINDS
ACROSS SRN/WRN TX AND NM.

...SERN STATES INTO THE MID ATLANTIC...
POOR MID LEVEL LAPSE RATES ARE ALREADY RESIDING ACROSS MUCH OF THE
SERN STATES INTO THE MID ATLANTIC /AROUND 5.5 TO 6.0 C/KM PER AREA
00Z SOUNDINGS/...WITH UPSTREAM SOUNDINGS REFLECTING LITTLE POTENTIAL
FOR THE ADVECTION OF STEEPER RATES DESPITE A SUBTLE STRENGTHENING IN
MID LEVEL FLOW. ADDITIONALLY...SEVERAL CLUSTERS OF THUNDERSTORMS ARE
ONGOING AS OF 04Z. CONVECTIVE DEBRIS/REMNANT CLOUD COVER WILL LIKELY
LIMIT POTENTIAL DAYTIME SURFACE HEATING...POSSIBLY HINDERING GREATER
DESTABILIZATION. IN AREAS THAT CAN SUFFICIENTLY DESTABILIZE
...CONVECTION WILL GRADUALLY INCREASE THROUGH THE AFTERNOON ALONG A
SEWD PROGRESSING COLD FRONT AND ANY LINGERING OUTFLOW BOUNDARIES
FROM THE PREVIOUS CONVECTION. WITH THE PRIMARY UPPER TROUGH
REMAINING WELL TO THE WEST...UPPER FORCING WILL BE LIMITED...AND THE
LOW LEVEL WIND FIELD RESPONSE WILL BE MINIMAL ACROSS THE SOUTHEAST
INTO THE MID ATLANTIC. AS SUCH...GENERALLY WEAKLY ORGANIZED
MULTICELLULAR CLUSTERS CAPABLE PRIMARILY OF DMGG WINDS WILL BE
POSSIBLE AS LOW LEVEL LAPSE RATES BEGIN TO STEEPEN.

...S TX...
WEAK UPSLOPE WINDS WILL MAINTAIN A POTENTIAL FOR CONVECTION ALONG
THE HIGHER TERRAIN OF MEXICO THROUGHOUT THE PERIOD...WITH INCREASING
POTENTIAL FOR STRONGER STORMS AS SURFACE-BASED DESTABILIZATION
OCCURS BY AFTERNOON. THESE STORMS MAY THEN POTENTIALLY DRIFT EWD
INTO S TX AMIDST MODEST DEEP LAYER WLYS...WITH ISOLATED HAIL/DMGG
WINDS POSSIBLE.

..HURLBUT/PETERS.. 05/09/2012

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