Tuesday, February 10, 2009

Severe Local Storm Watch and Watch Cancellation 21:55:38.9973

THE UNIVERSITY OF TEXAS AT TYLER
University Operations Center (UOC)

This is an automatically generated special information alert from the UT Tyler Office of Emergency Management:

WWUS20 KWNS 110357
SEL3
SPC WW 110357
TXZ000-CWZ000-110900-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 13
NWS STORM PREDICTION CENTER NORMAN OK
1000 PM CST TUE FEB 10 2009

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

PARTS OF SOUTH TEXAS
COASTAL WATERS

EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 1000 PM
UNTIL 300 AM CST.

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 95
STATUTE MILES EAST AND WEST OF A LINE FROM 85 MILES NORTHWEST OF
HOUSTON TEXAS TO 35 MILES EAST SOUTHEAST OF BEEVILLE TEXAS. FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU3).

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 11...WW 12...

DISCUSSION...SQUALL LINE HAS EXTENDED SWD ALONG STRONG COLD FRONT
MOVING EWD ACROSS CENTRAL AND SRN TX. THE STRONG SURFACE CONVERGENCE
WILL ALLOW STORMS TO CONTINUE TO DEVELOP THROUGH THE SIGNIFICANT
INHIBITION. DAMAGING WINDS AND MARGINAL HAIL WILL BE ASSOCIATED WITH
THE LINE AS IT MOVES E/SEWD TOWARD TX COAST.

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 450. MEAN STORM
MOTION VECTOR 27030.


...HALES
WWWW
P. Low/UOC
END OF ALERT

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