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288 

WWUS20 KWNS 110547

SEL4

SPC WW 110547

ARZ000-MOZ000-MSZ000-TNZ000-111200-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 14

NWS STORM PREDICTION CENTER NORMAN OK

1145 PM CST TUE FEB 10 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       PARTS OF NORTHEAST ARKANSAS

       LARGE PART OF SOUTHEAST MISSOURI

       PARTS OF NORTHWEST MISSISSIPPI

       PARTS OF WESTERN TENNESSEE



EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 1145 PM

UNTIL 600 AM CST.



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 95 STATUTE

MILES EAST AND WEST OF A LINE FROM 25 MILES NORTHEAST OF VICHY

MISSOURI TO 45 MILES EAST OF PINE BLUFF ARKANSAS.  FOR A COMPLETE

DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE

(WOUS64 KWNS WOU4).



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 11. WATCH NUMBER 11 WILL NOT BE IN EFFECT AFTER 1145

PM CST. CONTINUE...WW 12...WW 13...



DISCUSSION...WITH VERY STRONG SHEAR PROFILES IN PLACE AND THE

APPROACH OF THE INTENSE S/WV TROUGH AND MID LEVEL JET FROM THE

W...CONDITIONS ARE FAVORABLE FOR SUPERCELLS AND TORNADOES ACROSS THE

WATCH AREA.  ALTHOUGH INSTABILITY IS LIMITED...IT IS ADEQUATE GIVEN

THE STRENGTH OF THE KINEMATICS FOR TORNADO POTENTIAL. ADDITIONALLY

SQUALL LINE MOVING INTO WRN AR WILL MOVE QUICKLY ACROSS THE WATCH

LATER TONIGHT WITH POTENTIAL FOR WIDESPREAD DAMAGING WINDS.



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 450.

MEAN STORM MOTION VECTOR 23045.





...HALES

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