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000 

WWUS20 KWNS 030525

SEL8

SPC WW 030525

TXZ000-031200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 88

NWS STORM PREDICTION CENTER NORMAN OK

1125 PM CST SUN MAR 2 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       WEST CENTRAL TEXAS



EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 1125 PM UNTIL

600 AM CST.



HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75

STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH

NORTHWEST OF BROWNWOOD TEXAS TO 75 MILES WEST SOUTHWEST OF

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

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).



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 85...WW 86...WW 87...



DISCUSSION...STRONG/SEVERE THUNDERSTORMS WILL CONTINUE DEVELOPING

NEAR SURFACE COLD FRONT SURGING SSEWD ACROSS WRN/CENTRAL TX

OVERNIGHT.  VERY STEEP LAPSE RATES...ALONG WITH STRONG DEEP LAYER

SHEAR...WILL FAVOR ROTATING UPDRAFTS AND ENHANCE THE POTENTIAL FOR

LARGE HAIL WITH THE STRONGER CORES.  DESPITE FAVORABLE SUPERCELL

ENVIRONMENT...SURFACE FRONT WILL LIKELY CONTINUE TO UNDERCUT

DEVELOPING STORMS AND MAY LIMIT SURFACE-BASED/ISOLATED TORNADO

THREAT OVERNIGHT.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 23035.





...EVANS

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