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WWUS20 KWNS 110439

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SPC WW 110439

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URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 126

NWS STORM PREDICTION CENTER NORMAN OK

1140 PM CDT SUN APR 10 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       CENTRAL AND SOUTH CENTRAL TEXAS



EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 1140 PM UNTIL

500 AM CDT.



TORNADOES...HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE

MILES EAST AND WEST OF A LINE FROM 110 MILES WEST SOUTHWEST OF

AUSTIN TEXAS TO 25 MILES WEST NORTHWEST OF CORSICANA TEXAS.  FOR

A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU6).



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 121...WW 122...WW

123...WW 124...WW 125...



DISCUSSION...CLUSTERS OF INTENSE TSTMS HAVE FORMED THIS EVE OVER

CNTRL TX...AHEAD OF SRN PART OF LARGE SCALE UPR TROUGH THAT IS

MOVING ENE FROM THE TX BIG BEND.  GIVEN STRENGTH OF WIND FIELD AND

INCREASING MOISTURE AVAILABILITY ASSOCIATED WITH 40-50 KT SLY

LLJ...POTENTIAL WILL EXIST FOR ADDITIONAL SUSTAINED

STORMS/SUPERCELLS/LEWPS.  THESE MAY CONTAIN A THREAT FOR

TORNADOES...IN ADDITION TO HIGH WIND/LARGE HAIL...AS THE ACTIVITY

MOVES/DEVELOPS ENEWD THROUGH EARLY MON.



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

SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

550. MEAN STORM MOTION VECTOR 25040.





...CORFIDI

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