

929 

WWUS20 KWNS 252042

SEL6

SPC WW 252042

ALZ000-FLZ000-CWZ000-260400-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 696

NWS STORM PREDICTION CENTER NORMAN OK

245 PM CST TUE DEC 25 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHERN ALABAMA

       WESTERN TO CENTRAL FLORIDA PANHANDLE

       COASTAL WATERS



EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 245 PM UNTIL

1000 PM 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 60 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 20 MILES NORTHWEST OF

PENSACOLA FLORIDA TO 25 MILES EAST SOUTHEAST OF MARIANNA FLORIDA.

 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...CONTINUE...WW 693...WW 694...WW 695...



DISCUSSION...POTENTIAL IS INCREASING FOR A FEW TORNADOES INITIALLY

FOR CELLS MOVING NNEWD OFF GULF...PER SPC MESOSCALE DISCUSSION

2215...THEN FOR ACTIVITY DEVELOPING LATE AFTN INTO EVENING AHEAD OF

MCS NOW CROSSING LOWER DELTA REGION.  AIR MASS S OF SFC WARM FRONT

-- NOW EVIDENT OVER EXTREME SERN AL AND MOVING SLOWLY NWD -- WILL BE

CHARACTERIZED BY WEAK MLCINH...55-65 KT EFFECTIVE SHEAR MAGNITUDE

AND 250-400 J/KG EFFECTIVE SRH IN SUPPORT OF SUPERCELL POTENTIAL.



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 450.

MEAN STORM MOTION VECTOR 22035.





...EDWARDS

