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000 

WWUS20 KWNS 130843

SEL9

SPC WW 130843

ALZ000-FLZ000-MSZ000-CWZ000-131700-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 19

NWS STORM PREDICTION CENTER NORMAN OK

245 AM CST TUE FEB 13 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHWEST ALABAMA

       WESTERN FLORIDA PANHANDLE

       SOUTHERN MISSISSIPPI

       COASTAL WATERS



EFFECTIVE THIS TUESDAY MORNING FROM 245 AM UNTIL 1100 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 60 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 5 MILES WEST SOUTHWEST OF MC

COMB MISSISSIPPI TO 25 MILES NORTHEAST OF CRESTVIEW FLORIDA.  FOR

A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU9).



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 18...



DISCUSSION...SEVERE THUNDERSTORMS INCLUDING SUPERCELLS CONTINUE TO

DEVELOP EWD ACROSS SRN LA INTO SRN MS WITH APPROACH OF UPPER TROUGH.

 WARM FRONT MOVING INLAND ACROSS WATCH AREA WITH AIR MASS BECOMING

SUFFICIENTLY UNSTABLE TO SUPPORT TORNADOS WITH SUPERCELLS THAT

DEVELOP GIVEN FAVORABLE SHEAR PROFILES IN PLACE.



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

500. MEAN STORM MOTION VECTOR 24035.





...HALES

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