SEL6
SPC WW 030347
TXZ000-CWZ000-031100-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 216
NWS STORM PREDICTION CENTER NORMAN OK
1045 PM CDT WED MAY 2 2007
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTH TEXAS
COASTAL WATERS
EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 1045 PM
UNTIL 600 AM CDT.
TORNADOES...HAIL TO 2 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 80 STATUTE
MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH NORTHWEST OF
PALACIOS TEXAS TO 105 MILES SOUTH SOUTHWEST OF ALICE 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 212...WW 214...WW 215...
DISCUSSION...SEMI-DISCRETE STORMS/SUPERCELLS EXPECTED TO PERSIST
THROUGH EARLY THURSDAY ALONG AND AHEAD OF COMPOSITE OUTFLOW BOUNDARY
MOVING SEWD FROM PREVIOUS STORMS. REGION WILL BE GLANCED BY 40+ KT
WLY MID LEVEL JET ROUNDING BASE OF NEG TILT W TX TROUGH. COUPLED
WITH VERY RICH MOISTURE AVAILABILITY AND BACKED LOW LEVEL
FLOW...CONVERGENCE MAY PROVE SUFFICIENT TO POSE A CONTINUING THREAT
FOR LARGE HAIL/HIGH WIND AND POSSIBLE TORNADOES.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 26035.
..CORFIDI
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