URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 796
STORM PREDICTION CENTER NORMAN OK
720 PM CST THU DEC 19 2002
THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHEAST ALABAMA
THE FLORIDA PANHANDLE
SOUTHWEST GEORGIA
COASTAL WATERS
EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 720 PM UNTIL
MIDNIGHT CST.
TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 60 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS ALONG AND 105 STATUTE MILES EAST AND WEST
OF A LINE FROM 60 MILES SOUTH SOUTHWEST OF PANAMA CITY FLORIDA TO
45 MILES NORTH NORTHWEST OF ALBANY GEORGIA.
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 795. WATCH NUMBER 795 WILL NOT BE IN EFFECT AFTER 720 PM
CST.
DISCUSSION...THUNDERSTORMS/SUPERCELLS EXPECTED TO CONTINUE MOVING
NEWD ALONG COLD FRONT NOW PASSING PNS...AND ALONG CONFLUENCE BAND
FARTHER E NEAR PAM. LOW LEVEL FLOW OFF THE NRN PART OF THE FL
PENINSULA EXPECTED TO LIMIT BOUNDARY LAYER AIR MASS RECOVERY INTO
S CNTRL GA...BUT COMBINATION OF STRONG /30-40 KT/ LOW LEVEL SHEAR
AND MODEST SURFACE-BASED INSTABILITY /SBCAPE ON THE ORDER OF 500
J/KG/ EXPECTED TO MAINTAIN THREAT FOR ISOLATED TORNADOES FARTHER W
ACROSS THE FL PENINSULA AND SE AL.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 0.5 INCH...EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 50 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400.
MEAN STORM MOTION VECTOR 23045.
...CORFIDI
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