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000 

WWUS20 KWNS 102115

SEL7

SPC WW 102115

TXZ000-110200-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 297

NWS STORM PREDICTION CENTER NORMAN OK

415 PM CDT SAT MAY 10 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       CENTRAL TEXAS



EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 415 PM UNTIL

900 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 65 STATUTE

MILES EAST AND WEST OF A LINE FROM 50 MILES NORTHEAST OF DALLAS

TEXAS TO 25 MILES SOUTHEAST OF TEMPLE TEXAS.  FOR A COMPLETE

DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE

(WOUS64 KWNS WOU7).



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 293...WW 294...WW

295...WW 296...



DISCUSSION...CAP HAS WEAKENED WHERE AIR MASS IS VERY UNSTABLE OVER

CENTRAL TX LATE TODAY.  REGION WILL BE SKIRTED BY STRONG UPPER

SYSTEM MOVING ACROSS THE CENTRAL/SRN PLAINS AND SHOULD ENHANCE THE

POTENTIAL FOR AT LEAST ISOLATED SUPERCELL DEVELOPMENT ALONG THE DRY

LINE INTO CENTRAL TX.  VERY LARGE HAIL WILL BE COMMON WITH ANY STORM

WHICH DEVELOPS THROUGH THE EVENING...AND SHEAR WILL BE SUFFICIENT

FOR A THREAT OF ISOLATED TORNADOES.



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

500. MEAN STORM MOTION VECTOR 27025.





...EVANS

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