SPECIAL WEATHER STATEMENT
Issue Date: 1257 PM EST TUE DEC 1 2009
Expiration: 430 AM EST WED DEC 02 2009
...RISK OF SEVERE WEATHER EXPECTED ON WEDNESDAY AND WEDNESDAY
NIGHT...
A LOW PRESSURE SYSTEM IS EXPECTED TO CONTINUE TO DEVELOP OVER
THE CENTRAL GULF COAST STATES TODAY AND TRACK NORTHEAST TONIGHT AND
WEDNESDAY. A WARM FRONT WILL LIFT NORTHWARD OVER NORTHEAST FLORIDA
AND SOUTHEAST LATE TONIGHT AND EARLY WEDNESDAY.
A TRAILING COLD FRONT FROM THE LOW PRESSURE SYSTEM WILL PUSH TOWARD
THE AREA WEDNESDAY AND WILL BE PRECEDED BY A LINE OF SHOWERS AND
THUNDERSTORMS. ALTHOUGH ATMOSPHERIC INSTABILITY IS NOT
PARTICULARLY HIGH...STRONG WINDS ALOFT IN COMBINATION WITH STRONG
LIFT FROM THE COLD FRONT WILL SUPPORT STRONG TO SEVERE THUNDERSTORMS.
THE PRIMARY THREAT FROM SEVERE STORMS WILL BE DAMAGING WINDS BUT
THERE IS A RISK OF AN ISOLATED TORNADO MAINLY WITHIN THE SQUALL LINE.
CLOUD TO GROUND LIGHTNING AND VERY HEAVY RAINFALL WILL ALSO ACCOMPANY
THE SQUALL LINE. ALTHOUGH THERE IS SOME UNCERTAINTY ON THE TIMING OF
THE SQUALL LINE...THE BEST ESTIMATE AT THIS TIME IS IT MOVING TO A
ALMA GEORGIA TO LIVE OAK FLORIDA LINE BY MID AFTERNOON WEDNESDAY AND
THEN MOVE TO COASTAL GEORGIA AND NORTHEAST COUNTIES BY ABOUT 8 PM
WEDNESDAY EVENING. THE SEVERE WEATHER THREAT SHOULD BE ENDING BY LATE
WEDNESDAY NIGHT AS THE COLD FRONT SWEEPS SOUTH OF THE AREA. THE STORM
PREDICTION CENTER HAS HIGHLIGHTED A SLIGHT RISK OF SEVERE
THUNDERSTORMS FOR THE JACKSONVILLE FORECAST AREA.
OUTSIDE OF THE MAIN LINE OF SHOWERS AND STORMS...INDIVIDUAL SHOWERS
AND THUNDERSTORMS MAY EVEN PRODUCE WIND GUSTS OF 40 TO 50 MPH
WEDNESDAY MORNING THROUGH WEDNESDAY NIGHT. WINDS OF THIS INTENSITY
ARE CAPABLE OF UPROOTING SMALL TREES AND OVERTURNING SHEDS AND SMALL
STRUCTURES.
LAW ENFORCEMENT AGENCIES...EMERGENCY MANAGEMENT OFFICIALS...STORM
SPOTTER GROUPS...AND OTHER INTERESTED CONCERNS SHOULD MONITOR THIS
SITUATION AND TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER APPROACH
YOUR AREA.
MARINE INTERESTS OPERATING IN THE COASTAL AND INLAND WATERS...BE
AWARE OF THE RISK OF HIGH WINDS AND ROUGH SEAS WITH APPROACHING
STORMS AND BE PREPARED TO SEEK SAFE HARBOR.
STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO
STATIONS...OR YOUR CABLE TELEVISION PROVIDER FOR LATER STATEMENTS
CONCERNING THIS SEVERE WEATHER EVENT.
HAZARDOUS WEATHER OUTLOOK
Issue Date: 415 AM EST TUE DEC 1 2009
Expiration: 600 AM EST WED DEC 02 2009
THIS OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA.
.DAY ONE...TODAY AND TONIGHT...
...FLOOD WARNING REMAINS IN EFFECT FOR AREAS ALONG THE ALTAMAHA
RIVER IN EXTREME NORTHWEST GLYNN COUNTY IN SOUTHEAST GEORGIA...
AREAS ALONG THE ALTAMAHA RIVER IN EXTREME NORTHWEST GLYNN COUNTY IN
SOUTHEAST GEORGIA WILL CONTINUE TO EXPERIENCE MINOR FLOODING THROUGH
TUESDAY EVENING.
OTHERWISE...NO HAZARDOUS WEATHER IS ANTICIPATED.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...
...STRONG TO SEVERE STORMS POSSIBLE WEDNESDAY...
STRONG LOW PRESSURE WILL DEVELOP OVER THE NORTHERN GULF OF MEXICO
AND MOVE NORTH INTO THE FLORIDA PANHANDLE WEDNESDAY. THIS WILL ALLOW
A TRAILING COLD FRONT TO APPROACH FROM THE WEST WITH A SQUALL LINE
CONTAINING STRONG TO POSSIBLY SEVERE STORMS AHEAD OF IT. THESE
STORMS WILL LIKELY SWEEP ACROSS THE AREA WEDNESDAY AFTERNOON AND
EVENING. DAMAGING WINDS IN EXCESS OF 60 MPH WILL BE THE MAIN CONCERN
WITH STRONGEST THUNDERSTORMS. DUE TO THE EXISTENCE OF A LOW-LEVEL
JET OVER THE AREA...HEAVY SHOWERS WILL BE CAPABLE OF PRODUCING WIND
GUSTS OVER 40 MPH. THESE WINDS ARE CAPABLE OF PRODUCING MINOR DAMAGE.
MUCH COLDER AIR WILL FILTER IN BEHIND THE FRONT WITH TEMPERATURES
APPROACHING THE FREEZING MARK OVER INLAND SOUTHEAST GEORGIA SATURDAY
AND SUNDAY MORNINGS.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE REQUESTED WEDNESDAY.
FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE
IN JACKSONVILLE WEBSITE ON THE INTERNET AT WEATHER.GOV/JAX.
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