SEL5
SPC WW 032141
TXZ000-040200-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 155
NWS STORM PREDICTION CENTER NORMAN OK
440 PM CDT THU APR 3 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHWEST TEXAS
EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 440 PM UNTIL
900 PM CDT.
TORNADOES...HAIL TO 4 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 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 55 MILES SOUTHEAST OF DRYDEN
TEXAS TO 110 MILES NORTHEAST OF DRYDEN TEXAS. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU5).
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 153...WW 154...
DISCUSSION...INTENSE SUPERCELL IN TERRELL COUNTY TX CONTINUES EARLY
THIS EVENING. ENVIRONMENT IS VERY UNSTABLE BUT CAP STRENGTHENS WITH
EWD EXTENT. HOWEVER...VERY STRONG DEEP LAYER SHEAR WILL CONTINUE TO
SUPPORT SUPERCELLS AND LIKELY VERY LARGE HAIL WITH MID/UPPER JET
OVERSPREADING THE REGION. AN ISOLATED TORNADO OR TWO IS ALSO
POSSIBLE...ALONG WITH DAMAGING WINDS...WITH ANY PERSISTENT
SUPERCELL.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 4 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 27030.
..EVANS
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