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WWUS20 KWNS 091349

SEL6

SPC WW 091349

TXZ000-092000-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 286

NWS STORM PREDICTION CENTER NORMAN OK

845 AM CDT WED JUN 9 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHERN AND EASTERN TEXAS



EFFECTIVE THIS WEDNESDAY MORNING AND AFTERNOON FROM 845 AM UNTIL

300 PM CDT.



TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE

MILES EITHER SIDE OF A LINE FROM 30 MILES SOUTH OF NEW BRAUNFELS

TEXAS TO 60 MILES EAST NORTHEAST OF LUFKIN 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.



DISCUSSION...SCTD TSTMS HAVE FORMED ALONG WEAK WSW/ENE ORIENTED

FRONT ALONG THE MIDDLE AND UPR TX CSTL PLN...IN ERN QUADRANT OF

QSTNRY UPR LOW.  20-25 KT LOW LVL SSELY FLOW WILL CONTINUE TO SPREAD

VERY MOIST BOUNDARY LAYER AIR /DEWPOINTS IN THE UPR 70S/ NWD INTO

FRONTAL ZONE.  COUPLED WITH SFC HEATING AND MODERATELY STRONG SW MID

LVL FLOW ATTENDANT TO UPR LOW...SETUP MAY SUPPORT A FEW STORMS WITH

LOW LVL ROTATION/TORNADOES AND/OR LOCALLY DMGG WIND THROUGH MID

AFTN.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 20025.





...CORFIDI

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