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653 

WWUS20 KWNS 291932

SEL1

SPC WW 291932

TXZ000-300300-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 211

NWS STORM PREDICTION CENTER NORMAN OK

235 PM CDT WED APR 29 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       PARTS OF SOUTHWEST TEXAS



EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 235 PM UNTIL

1000 PM CDT.



TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 40 MILES NORTH NORTHWEST OF

DRYDEN TEXAS TO 40 MILES NORTH OF JUNCTION TEXAS.  FOR A COMPLETE

DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE

(WOUS64 KWNS WOU1).



REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR

TORNADOES AND 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.



OTHER WATCH INFORMATION...CONTINUE...WW 209...WW 210...



DISCUSSION...SEVERE THUNDERSTORMS EXPECTED TO DEVELOP ON DRY LINE

WRN PORTION OF WW AND MOVE SLOWLY E.  WITH MLCAPES TO 3000 J/KG AND

FAVORABLE VEERING SHEAR PROFILES...SUPERCELLS EXPECTED TO BE PRIMARY

MODE.  VERY LARGE HAIL AND POSSIBLE TORNADOES WILL BE ASSOCIATED

WITH ANY SUPERCELL THAT DEVELOPS.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

550. MEAN STORM MOTION VECTOR 25020.





...HALES

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