

000 

WWUS20 KWNS 162026

SEL8

SPC WW 162026

TXZ000-CWZ000-170300-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 58

NWS STORM PREDICTION CENTER NORMAN OK

225 PM CST SAT FEB 16 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       EASTERN TEXAS

       COASTAL WATERS



EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 225 PM UNTIL

900 PM CST.



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 75 STATUTE

MILES EAST AND WEST OF A LINE FROM 20 MILES SOUTH SOUTHEAST OF

VICTORIA TEXAS TO 35 MILES NORTH OF TYLER TEXAS.  FOR A COMPLETE

DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE

(WOUS64 KWNS WOU8).



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 57...



DISCUSSION...VERY STRONG SHEAR WILL PERSIST ACROSS DESTABILIZING

WARM SECTOR IN E TX LATE TODAY AND THIS EVENING...INCREASING THE

POTENTIAL FOR SUPERCELLS AND POSSIBLE TORNADOES WITH DEVELOPING

THUNDERSTORMS.  STORMS WILL CONTINUE TO INCREASE AND MOVE QUICKLY

NEWD ACROSS WW.  IN ADDITION TO POSSIBLE TORNADIC

SUPERCELLS...EVOLUTION INTO A LARGER LINE OF STORMS IS LIKELY WITH

ATTENDANT INCREASE IN DAMAGING WINDS LATER THIS EVENING.



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

500. MEAN STORM MOTION VECTOR 23040.





...EVANS

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