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WWUS20 KWNS 300541

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URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 320

NWS STORM PREDICTION CENTER NORMAN OK

1245 AM CDT WED MAY 30 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       FAR SOUTHEAST OKLAHOMA

       NORTH-CENTRAL AND NORTHEAST TEXAS



EFFECTIVE THIS WEDNESDAY MORNING FROM 1245 AM UNTIL 800 AM CDT.



HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 40

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 50 MILES NORTHWEST

OF FORT WORTH TEXAS TO 55 MILES EAST SOUTHEAST OF PARIS TEXAS.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU0).



REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE

FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH

AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR

THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS

AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY

DO PRODUCE TORNADOES.



OTHER WATCH INFORMATION...CONTINUE...WW 319...



DISCUSSION...BOWING MCS WITH EMBEDDED SUPERCELL STRUCTURES IS

EXPECTED TO CONTINUE SEWD THROUGH THE RED RIVER VALLEY EARLY THIS

MORNING INTO A VERY WARM AND MOIST AIR MASS IN PLACE ACROSS NRN TX.

AS SUCH...EXPECT THE RISK FOR LARGE HAIL AND DAMAGING WIND GUSTS TO

CONTINUE FOR THE NEXT FEW HOURS PRIOR TO GRADUAL DECAY OF CONVECTIVE

SYSTEM.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 32030.





...MEAD

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