

000 

WWUS20 KWNS 280245

SEL2

SPC WW 280245

TXZ000-280800-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 382

NWS STORM PREDICTION CENTER NORMAN OK

935 PM CDT TUE MAY 27 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       WESTERN AND CENTRAL TEXAS



EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 935 PM

UNTIL 300 AM CDT.



HAIL TO 1.5 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 70

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES WEST

SOUTHWEST OF MIDLAND TEXAS TO 20 MILES NORTHEAST OF STEPHENVILLE

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

WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).



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...THIS SEVERE THUNDERSTORM WATCH REPLACES

SEVERE THUNDERSTORM WATCH NUMBER 380...SEVERE THUNDERSTORM WATCH

NUMBER 381. WATCH NUMBER 380 381 WILL NOT BE IN EFFECT AFTER 935

PM CDT.



DISCUSSION...LINEAR MCS HAS DEVELOPED OVER PORTIONS OF WESTERN TX

AND IS EXPECTED TO MOVE SSEWD OVERNIGHT INTO A MODERATELY UNSTABLE

ENVIRONMENT AND 30 KT LOW LEVEL JET. DESPITE ONLY 20-30 KT MID LEVEL

WNWLY WINDS...DEVELOPING COLD POOL AND STRONG STORM RELATIVE INFLOW

IN THE LOWER 2-3 KM SHOULD SUPPORT OCCASIONAL DAMAGING WIND GUSTS.

THE STRONGER UPDRAFTS MAY ALSO PRODUCE SEVERE HAIL AT TIMES.



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

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

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

MOTION VECTOR 33030.





...IMY

