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592 

WWUS20 KWNS 240247 CCA

SEL6

SPC WW 240247 CCA

ARZ000-LAZ000-OKZ000-TXZ000-CWZ000-241200-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 806...CORRECTED

NWS STORM PREDICTION CENTER NORMAN OK

905 PM CST WED DEC 23 2009



CORRECTED FOR CST



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHWEST ARKANSAS

       WESTERN LOUISIANA

       FAR SOUTHEAST OKLAHOMA

       EASTERN AND SOUTHEAST TEXAS

       COASTAL WATERS



EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 905 PM

UNTIL 600 AM CST.



TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND

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

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE

MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH OF TEXARKANA

ARKANSAS TO 25 MILES EAST OF ANGLETON 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.



OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO

WATCH NUMBER 805. WATCH NUMBER 805 WILL NOT BE IN EFFECT AFTER

905 PM CST.



DISCUSSION...UPPER LOW WILL CONTINUE TO PUSH EWD INTO CENTRAL TX

OVERNIGHT WITH ASSOCIATED INCREASE IN SSELY LLJ FORECAST TO OCCUR

OVER ERN TX/WRN LA.  BROKEN BANDS OF STORMS WILL LIKELY CONTINUE

DEVELOPING WITHIN BROAD LOW LEVEL CONFLUENCE ACROSS THIS AREA WHERE

VERY STRONG SHEAR WILL REMAIN SUPPORTIVE OF LOW-TOPPED SUPERCELLS

AND POSSIBLE TORNADOES.  ACTIVITY MAY CONSOLIDATE INTO A LARGER

SQUALL LINE LATER TONIGHT/EARLY THURSDAY MORNING ALONG AND AHEAD OF

MAIN UPPER SYSTEM...MAINTAINING A RISK OF SEVERE THUNDERSTORMS

THROUGH DAYBREAK OVER PARTS OF WW.



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

SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE

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

400. MEAN STORM MOTION VECTOR 24035.





...EVANS

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