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000 

WWUS20 KWNS 031903

SEL3

SPC WW 031903

OKZ000-TXZ000-040200-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 153

NWS STORM PREDICTION CENTER NORMAN OK

205 PM CDT THU APR 3 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       CENTRAL OKLAHOMA

       WESTERN NORTH TEXAS



EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 205 PM UNTIL

900 PM CDT.



TORNADOES...HAIL TO 4 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 70 STATUTE

MILES EAST AND WEST OF A LINE FROM 30 MILES NORTH OF CHANDLER

OKLAHOMA TO 25 MILES SOUTH SOUTHEAST OF ABILENE TEXAS.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU3).



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.



DISCUSSION...STRONG HEATING AND DESTABILIZATION WILL LEAD TO RAPID

SEVERE THUNDERSTORM DEVELOPMENT LATER THIS AFTERNOON ALONG SURFACE

DRYLINE FROM CENTRAL OK INTO NORTH TX.  SUPERCELLS CAPABLE OF VERY

LARGE HAIL...DAMAGING WINDS...AND A FEW TORNADOES APPEAR LIKELY.



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

SURFACE AND ALOFT TO 4 INCHES. EXTREME TURBULENCE AND SURFACE

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

500. MEAN STORM MOTION VECTOR 25030.





...HART

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