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WWUS20 KWNS 310709

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ARZ000-KSZ000-MOZ000-OKZ000-311400-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 765

NWS STORM PREDICTION CENTER NORMAN OK

110 AM CST FRI DEC 31 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       NORTHWEST ARKANSAS

       SOUTHEAST KANSAS

       SOUTHWEST AND CENTRAL MISSOURI

       NORTHEAST OKLAHOMA



EFFECTIVE THIS FRIDAY MORNING FROM 110 AM UNTIL 800 AM CST.



TORNADOES...HAIL TO 1 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 65 STATUTE

MILES EAST AND WEST OF A LINE FROM 30 MILES SOUTH OF GROVE

OKLAHOMA TO 35 MILES WEST NORTHWEST OF VICHY MISSOURI.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU5).



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...TSTMS EXPECTED TO PERSIST IN MOIST AXIS INVOF WEAK LEAD

IMPULSE MOVING RAPIDLY NE AHEAD OF MAIN SHORTWAVE TROUGH NOW

ENTERING WRN OK /REF MCD 2156/.  STRENGTH OF LOW LVL

SHEAR...CONTINUED LOW LVL MOISTENING...AND DAMAGE REPORTS ASSOCIATED

WITH STRONGLY ROTATING STORMS IN PAST HOUR SUGGEST POTENTIAL FOR ONE

OR TWO TORNADOES.



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

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

GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400.

MEAN STORM MOTION VECTOR 24045.





...CORFIDI

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