HAZARDOUS WEATHER OUTLOOK
Issue Date: 617 PM CST TUE DEC 1 2009
Expiration: 620 PM CST WED DEC 02 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE COUNTIES SERVED BY THE
NATIONAL WEATHER SERVICE OFFICE IN BIRMINGHAM.
.DAY ONE...TONIGHT.
SURFACE WINDS WILL INCREASE TONIGHT AS A DEEPENING GULF
LOW PRESSURE SYSTEM APPROACHES FROM THE SOUTHWEST. SUSTAINED WINDS OF
15 TO 20 MPH CAN BE EXPECTED AREA-WIDE TONIGHT...WITH A FEW GUSTS OF
35 MPH POSSIBLE.
HEAVY RAINFALL WILL ALSO BE ASSOCIATED WITH THIS STRONG LOW
PRESSURE SYSTEM. THIS HEAVY RAINFALL WILL SPREAD SOUTH TO NORTH INTO
CENTRAL ALABAMA OVERNIGHT. THERE WILL BE A THREAT OF FLASH FLOODING
GENERALLY ALONG AND SOUTH OF A LINE FROM SELMA TO ALEXANDER CITY TO
LAFAYETTE OVERNIGHT.
THERE IS A VERY LOW CHANCE OF STRONG TO SEVERE THUNDERSTORMS AFTER 3
AM. THE MAIN THREATS WOULD BE DAMAGING WIND AND POSSIBLY A BRIEF
TORNADO. ANY STORMS THAT DEVELOP WILL REMAIN ALONG AND SOUTH OF THE
HIGHWAY 80/INTERSTATE 85 CORRIDOR OVERNIGHT. CONFIDENCE IS LOW DUE TO
THE FACT THAT INSTABILITY REMAINS VERY LIMITED AND THE HIGHER THREAT
WILL RESIDE NEAR THE GULF COAST.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
SUSTAINED WINDS OF 10 TO 20 MPH WILL CONTINUE ACROSS CENTRAL ALABAMA.
A FEW WIND GUSTS UP TO 30 MPH ARE POSSIBLE AREA WIDE ON WEDNESDAY.
OCCASIONALLY HEAVY RAINFALL WILL CONTINUE INTO WEDNESDAY MORNING.
TOTAL RAINFALL AMOUNTS WILL BE AROUND ONE INCH ALONG INTERSTATE 20...
INCREASING SOUTHEASTWARD TO NEAR 4 INCHES ALONG AND SOUTH OF
INTERSTATE 85.
THERE IS A LOW CHANCE OF STRONG TO SEVERE THUNDERSTORMS THROUGH 1 PM.
THE MAIN THREATS WOULD BE DAMAGING WIND AND POSSIBLY A BRIEF TORNADO.
ANY STORMS THAT DEVELOP WILL GENERALLY REMAIN EAST OF A LINE FROM
MONTGOMERY TO WEDOWEE. CONFIDENCE IS LOW DUE TO THE FACT THAT
INSTABILITY REMAINS VERY LIMITED AND THE HIGHER THREAT WILL RESIDE
IN SOUTHERN GEORGIA.
THE EXTENT OF SEVERE THUNDERSTORMS ACROSS CENTRAL ALABAMA IS HIGHLY
DEPENDENT ON THE EXACT TRACK OF THE STRONG SURFACE LOW PRESSURE
SYSTEM AND THE AVAILABLE LOW LEVEL MOISTURE. STAY TUNED FOR FURTHER
UPDATES.
RIVER LEVELS WILL RISE DUE TO THE EXPECTED RAINFALL WITH THE STRONG
LOW PRESSURE SYSTEM. AT THIS TIME...SOME MINOR RIVER FLOODING WILL
REMAIN POSSIBLE THROUGH THURSDAY MAINLY ALONG THE TALLAPOOSA AND
ALABAMA RIVERS.
.SPOTTER INFORMATION STATEMENT...
ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT MAY BECOME
NECESSARY LATE TONIGHT INTO WEDNESDAY.
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