HAZARDOUS WEATHER OUTLOOK
Issue Date: 1100 AM EST WED DEC 2 2009
Expiration: 500 AM EST THU DEC 03 2009
THIS OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA.
.DAY ONE...TODAY AND TONIGHT...
...STRONG TO SEVERE STORMS THROUGH THIS EVENING...
...TORNADO WATCH IN EFFECT FOR PORTIONS OF SOUTHEAST GEORGIA AND
SUWANNEE VALLEY AREA THROUGH 5 PM...
...DAMAGING WIND GUSTS AND ISOLATED TORNADOES POSSIBLE...
...LAKE WIND ADVISORY FOR MUCH OF THE AREA FOR THE LATE MORNING AND
AFTERNOON HOURS...
...FLOOD WARNING REMAINS IN EFFECT FOR AREAS ALONG THE ALTAMAHA
RIVER IN EXTREME NORTHWEST GLYNN COUNTY IN SOUTHEAST GEORGIA...
STRONG LOW PRESSURE WILL DEVELOP OVER THE LOWER MISSISSIPPI RIVER
VALLEY AND MOVE NORTHEAST TOWARD THE OHIO VALLEY BY LATE TODAY. 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 THIS AFTERNOON AND
EVENING. DAMAGING WINDS IN EXCESS OF 60 MPH WILL BE THE MAIN CONCERN
WITH STRONGEST THUNDERSTORMS. CONDITIONS WILL BECOME FAVORABLE FOR
ISOLATED TORNADOES AS WELL AND A TORNADO WATCH IS IN EFFECT FOR
A PORTION OF THE AREA. 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.
ALTHOUGH THE MOST ORGANIZED STORMS WILL ACCOMPANY THE SQUALL LINE...
ISOLATED DISCRETE CELLS MAY BECOME SEVERE AHEAD OF THE MAIN SQUALL
LINE.
RESIDENTS ARE ADVISED TO CLOSELY MONITOR THE EVOLUTION OF THIS
SEVERE WEATHER EVENT TODAY. MAKE SURE YOUR NOAA WEATHER RADIO ALERT
FEATURE IS TURNED ON.
SURFACE WINDS WILL INCREASE ACROSS THE AREA EVEN OUTSIDE OF STORMS
BY LATE THIS MORNING IN RESPONSE TO THE DEVELOPING STORM SYSTEM. A
LAKE WIND ADVISORY HAS BEEN ISSUED FOR MOST OF THE AREA THROUGH LATE
AFTERNOON.
LOCALLY HEAVY RAINFALL IS POSSIBLE...WITH THE GREATEST STORM TOTALS
EXPECTED OVER INLAND SOUTHEAST GEORGIA AND THE SUWANNEE RIVER VALLEY
OF NORTH FLORIDA. RAINFALL TOTALS WILL AVERAGE CLOSE TO 2 INCHES IN
THESE AREAS WITH LOCALLY HIGHER AMOUNTS. DUE TO THE ADDITIONAL
RAINS...AREAS ALONG THE ALTAMAHA RIVER IN EXTREME NORTHWEST GLYNN
COUNTY IN SOUTHEAST GEORGIA MAY CONTINUE TO EXPERIENCE MINOR
FLOODING THROUGH FRIDAY EVENING AND A FLOOD WARNING REMAINS IN
EFFECT.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...
MUCH COLDER AIR WILL FILTER IN BEHIND THE FRONT WITH TEMPERATURES
APPROACHING THE FREEZING MARK OVER INLAND SOUTHEAST GEORGIA SUNDAY
MORNING.
.SPOTTER INFORMATION STATEMENT...
SPOTTERS ARE REQUESTED TO ACTIVATE LATE THIS MORNING ACROSS THE AREA.
FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE
IN JACKSONVILLE WEBSITE ON THE INTERNET AT WEATHER.GOV/JAX.
SPECIAL WEATHER STATEMENT
Issue Date: 507 AM EST WED DEC 2 2009
Expiration: 300 PM EST WED DEC 02 2009
...STRONG TO SEVERE STORMS FROM LATE THIS MORNING THROUGH THIS
EVENING...
...DAMAGING WIND GUSTS AND ISOLATED TORNADOES POSSIBLE...
STRONG LOW PRESSURE WILL DEVELOP OVER THE NORTHERN GULF OF MEXICO
AND MOVE NORTHEAST TOWARD THE OHIO VALLEY BY LATE TODAY. 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.
ALTHOUGH ATMOSPHERIC INSTABILITY WILL BE MODEST...STRONG WINDS ALOFT
IN COMBINATION WITH STRONG LIFT FROM THE COLD FRONT WILL SUPPORT
STRONG TO SEVERE THUNDERSTORMS. THE PRIMARY THREAT FROM THESE SEVERE
STORMS WILL BE DAMAGING WINDS BUT THERE IS A RISK OF AN ISOLATED
TORNADO. 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 AN ALMA TO LIVE OAK LINE BY MID-AFTERNOON...THEN TO
COASTAL COUNTIES BY THIS EVENING. THE SEVERE WEATHER THREAT WILL BE
ENDING TONIGHT AS THE COLD FRONT SWEEPS SOUTH OF THE AREA. THE STORM
PREDICTION CENTER HAS HIGHLIGHTED A SLIGHT RISK OF SEVERE
THUNDERSTORMS FOR ALL OF NORTHEAST FLORIDA AND SOUTHEAST GEORGIA.
OUTSIDE OF THE MAIN LINE OF SHOWERS AND STORMS...INDIVIDUAL SHOWERS
AND THUNDERSTORMS MAY PRODUCE WIND GUSTS OF 40 TO 50 MPH LATE
WEDNESDAY MORNING THROUGH WEDNESDAY NIGHT. WINDS OF THIS INTENSITY
ARE CAPABLE OF UPROOTING SMALL TREES AND OVERTURNING SHEDS AND SMALL
STRUCTURES. ISOLATED THUNDERSTORMS AHEAD OF THE MAIN SQUALL LINE MAY
BECOME SEVERE DURING THE AFTERNOON HOURS.
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.
|
|
|
