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WWUS20 KWNS 131909

SEL3

SPC WW 131909

ARZ000-OKZ000-140500-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 903

NWS STORM PREDICTION CENTER NORMAN OK

210 PM CDT SAT SEP 13 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHERN AND CENTRAL ARKANSAS

       FAR SOUTHEAST OKLAHOMA



EFFECTIVE THIS SATURDAY AFTERNOON FROM 210 PM UNTIL MIDNIGHT 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 70 STATUTE

MILES EAST AND WEST OF A LINE FROM 15 MILES EAST OF TEXARKANA

ARKANSAS TO 45 MILES NORTHEAST OF RUSSELLVILLE ARKANSAS.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU3).



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 902...



DISCUSSION...T.S. IKE WILL CONTINUE NNEWD ACROSS ERN TX AND MOVE

INTO FAR SERN OK/WRN AR THROUGH THE EVENING...ALLOWING ENHANCED LOW

LEVEL FLOW AND BROKEN RAINBANDS TO LIFT NWD ACROSS PORTIONS OF AR.

SHEAR IS ALREADY QUITE STRONG INTO CENTRAL AR...AND WITH FURTHER

STRENGTHENING...THREATS OF ISOLATED TORNADOES/DAMAGING WINDS WILL

INCREASE AS STORMS MOVE QUICKLY NWD.



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

450. MEAN STORM MOTION VECTOR 18050.





...EVANS

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