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000 

WWUS20 KWNS 141532

SEL2

SPC WW 141532

TXZ000-CWZ000-150000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 62

NWS STORM PREDICTION CENTER NORMAN OK

1035 AM CDT WED MAR 14 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       MIDDLE TEXAS COAST

       COASTAL WATERS



EFFECTIVE THIS WEDNESDAY MORNING AND EVENING FROM 1035 AM UNTIL

700 PM 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 75

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 5 MILES SOUTH OF

GALVESTON TEXAS TO 60 MILES NORTH NORTHWEST OF BEEVILLE TEXAS.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU2).



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...SCATTERED STRONG/SEVERE THUNDERSTORMS WILL PERSIST FOR

SEVERAL MORE HOURS ACROSS WATCH AREA...BEHIND NOCTURNAL MCS IN LOW

LEVEL WARM ADVECTION REGIME.  RE-DEVELOPMENT OF INTENSE CONVECTION

IS EXPECTED BY EARLY AFTERNOON AS DAYTIME HEATING AND CONTINUED

ADVECTION DESTABILIZE REGION AND BREAK CAP.  LARGE HAIL AND DAMAGING

WINDS WILL BE THE MAIN SHORT-TERM THREATS.



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 27030.





...HART

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