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URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 152

NWS STORM PREDICTION CENTER NORMAN OK

750 PM CDT THU MAY 9 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  SOUTHWEST AND CENTRAL TEXAS



* EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 750 PM

  UNTIL 200 AM CDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2

    INCHES IN DIAMETER POSSIBLE

  SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70

STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES SOUTH

SOUTHWEST OF COTULLA TEXAS TO 35 MILES EAST NORTHEAST OF JUNCTION

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

WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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 151...



DISCUSSION...STRONG TO SEVERE THUNDERSTORMS ARE CURRENTLY ONGOING

SOUTHEAST OF SAN ANGELO AND TO THE NORTHWEST OF LAREDO. THE STORMS

ARE MOVING TO THE SOUTHEAST INTO A MODERATELY TO STRONGLY UNSTABLE

AIRMASS WHERE DEEP LAYER SHEAR WILL CONTINUE TO BE SUPPORTIVE OF

SUPERCELLS. THE STORMS ARE EXPECTED TO BE MAINTAINED FOR MUCH OF THE

EVENING MOVING INTO THE TX HILL COUNTRY AND TO AREAS AROUND AND TO

THE SOUTH OF SAN ANTONIO THIS EVENING. LARGE HAIL AND WIND DAMAGE

SHOULD BE THE PRIMARY THREATS WITH THE SEVERE POTENTIAL LIKELY

PERSISTING INTO THE LATE EVENING.



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 28030.





...BROYLES

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