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WWUS20 KWNS 011552

SEL3

SPC WW 011552

ALZ000-FLZ000-MSZ000-CWZ000-012300-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 3

NWS STORM PREDICTION CENTER NORMAN OK

1055 AM EST SAT JAN 1 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHERN ALABAMA

       WESTERN FLORIDA PANHANDLE

       FAR SOUTHEAST MISSISSIPPI

       COASTAL WATERS



EFFECTIVE THIS SATURDAY MORNING AND EVENING FROM 1055 AM UNTIL

600 PM EST.



TORNADOES...HAIL TO 0.5 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 55 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 65 MILES EAST NORTHEAST OF

CRESTVIEW FLORIDA TO 60 MILES WEST OF PENSACOLA FLORIDA.  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.



OTHER WATCH INFORMATION...CONTINUE...WW 2...



DISCUSSION...PRE-FRONTAL CLUSTER OF TSTMS IS EXPECTED TO PERSIST

INTO THIS AFTERNOON WITHIN A MOIST BUT NARROWING WARM SECTOR ALONG

THE NERN GULF COAST.  WIDESPREAD CLOUDS AND POOR LAPSE RATES WILL

LIMIT THE DEGREE OF INSTABILITY.  HOWEVER...THE MOIST/LOW LCL

BOUNDARY LAYER COUPLED WITH RATHER STRONG LOW-LEVEL SHEAR /REF. MOB

VWP/ WILL MAINTAIN A RISK FOR EMBEDDED SUPERCELLS CAPABLE OF A

COUPLE TORNADOES AND LOCALLY DAMAGING WIND GUSTS.



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

SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE

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

500. MEAN STORM MOTION VECTOR 24030.





...MEAD

