Wednesday, May 28, 2008

Severe Thunderstorm Watch 382

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

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