

000 

WWUS20 KWNS 250336

SEL2

SPC WW 250336

ARZ000-OKZ000-TXZ000-250900-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 182

NWS STORM PREDICTION CENTER NORMAN OK

1035 PM CDT TUE APR 24 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHWESTERN ARKANSAS

       EXTREME SOUTHEASTERN OKLAHOMA

       CENTRAL THROUGH NORTHEAST TEXAS



EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 1035 PM

UNTIL 400 AM CDT.



TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS

TO 80 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 OF TEXARKANA

ARKANSAS TO 20 MILES SOUTH SOUTHEAST OF TEMPLE TEXAS.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU2).



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...THIS TORNADO WATCH REPLACES TORNADO

WATCH NUMBER 176. WATCH NUMBER 176 WILL NOT BE IN EFFECT AFTER

1035 PM CDT. CONTINUE...WW 180...WW 181...



DISCUSSION...SERIES OF SVR TSTMS -- INCLUDING A FEW BOW ECHOES --

WILL PROCEED EWD ACROSS N-CENTRAL/NERN TX...MCCURTAIN COUNTY OK AND

SWRN AR WITH PRIMARY THREAT BEING SVR GUSTS.  IN ADDITION TO WIND

THREAT...VERTICAL SHEAR PROFILES ARE FAVORABLE FOR A FEW TORNADIC

MESOVORTICES OCCURRING WITH BOWS/LEWPS.



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

SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND

GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.

MEAN STORM MOTION VECTOR 25040.





...EDWARDS

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