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WWUS20 KWNS 012324

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OKZ000-TXZ000-020500-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 337

NWS STORM PREDICTION CENTER NORMAN OK

625 PM CDT FRI JUN 1 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       FAR SOUTHWEST OKLAHOMA

       WEST CENTRAL TEXAS



EFFECTIVE THIS FRIDAY NIGHT FROM 625 PM UNTIL MIDNIGHT CDT.



HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 75

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



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 105

STATUTE MILES EAST AND WEST OF A LINE FROM 65 MILES NORTH

NORTHEAST OF PLAINVIEW TEXAS TO 60 MILES SOUTHEAST OF LUBBOCK

TEXAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED

WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).



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 332...WW 333...WW

334...WW 335...WW 336...



DISCUSSION...INTENSE TSTMS NOW IN THE SRN TX PANHANDLE EXPECTED TO

CONTINUE MOVING/DEVELOPING SSE THROUGH MID EVE GIVEN CURRENT AND

FCST SLY LOW LVL FLOW OVER W TX AND NW MID/UPR LVL WINDS.  STEEP LOW

TO MID LVL LAPSE RATES AND PRESENCE OF AMPLE DEEP SHEAR FOR

ORGANIZED STORMS/SUPERCELLS SUGGEST THAT ACTIVITY MAY MERGE INTO A

SMALL COMPLEX OR TWO THAT WOULD EXTEND A RISK FOR DMGG WIND/SVR HAIL

SWD INTO THE TX S PLAINS.



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

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65

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

MOTION VECTOR 34030.





...CORFIDI

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