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WWUS20 KWNS 011848

SEL3

SPC WW 011848

ALZ000-FLZ000-GAZ000-CWZ000-020300-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 13

NWS STORM PREDICTION CENTER NORMAN OK

145 PM EST THU FEB 1 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       FAR SOUTHEASTERN ALABAMA

       FLORIDA PANHANDLE

       SOUTHWESTERN GEORGIA

       COASTAL WATERS



EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 145 PM UNTIL

1000 PM EST.



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 70 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 35 MILES WEST NORTHWEST OF

PANAMA CITY FLORIDA TO 10 MILES NORTHEAST OF VALDOSTA GEORGIA.

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.



DISCUSSION...THUNDERSTORMS WILL INCREASE IN BOTH COVERAGE AND

SEVERITY ACROSS WW THROUGH THE EVENING IN ADVANCE OF 100+ KT MID

LEVEL JET AND ASSOCIATED DEEPENING SURFACE LOW.  WARM SECTOR WILL

CONTINUE TO SLOWLY DESTABILIZE AND POSSIBLY SPREAD A BIT NWD IN SRN

GA.  PRIMARY SEVERE THREATS WILL BE FROM DAMAGING WINDS AND ISOLATED

TORNADOES AS SHEAR REMAINS QUITE STRONG AND SUPPORTIVE OF RELATIVELY

LONG-LIVED ORGANIZED STORMS...LIKELY IN THE FORM OF SUPERCELLS AND

SMALL BOW ECHOES.



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 350.

MEAN STORM MOTION VECTOR 25035.





...EVANS

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