Friday, March 7, 2008

Alabama Snow Potential - Saturday

DAY ONE...THIS AFTERNOON AND TONIGHT.

A HEAVY STORM WARNING IS IN EFFECT FOR EXTREME NORTHERN PORTIONS OF CENTRAL ALABAMA TONIGHT...ROUGHLY ALONG AND NORTH OF A LINE FROM VERNON...TO JASPER...ONEONTA...GADSDEN...AND CENTRE. COLD AIR WILL FILL IN BEHIND A COLD FRONT DURING THE DAY TODAY...AND AS AN UPPER LEVEL DISTURBANCE APPROACHES THE AREA LATER THIS AFTERNOON AND TONIGHT...RAIN SHOWERS WILL RETURN. SHORTLY AFTER 6 PM...SNOW RAIN SHOULD BEGIN TO MIX WITH AND CHANGE OVER TO SNOW ACROSS NORTHWESTERN MARION COUNTY...AND EVENTUALLY CHANGE OVER TO ALL SNOW. AFTER MIDNIGHT...PRECIPITATION IS EXPECTED TO CHANGE OVER TO SNOW ACROSSBLOUNT...ETOWAH...AND CHEROKEE COUNTIES. AREAS CAN EXPECT TO SEE UP TO 2.5 INCHES OF SNOW ACCUMULATION...MAINLY ON GRASSY SURFACE SAND ELEVATED SURFACES SUCH AS SHRUBS... AUTOMOBILES... HIGHWAY OVERPASSES AND ROOFTOPS.

ELSEWHERE...SNOWFALL ACCUMULATIONS ARE EXPECTED TO BE LESS THAN TWO INCHES. THE BIRMINGHAM...ANNISTON AND TUSCALOOSA METRO AREAS COULD SEE AS MUCH AS 1.5 INCHES OF SNOW...WITH UP TO AN INCH NEAR TALLADEGA AND CLANTON. LOCATIONS AS FAR SOUTH AS TROY COULD SEE A FLURRY OR TWO BY SUNRISE. STAY TUNED FOR MORE DETAILS.

DUE TO THE WARM AIR MASS OVER MUCH OF CENTRAL ALABAMA DURING THE DAY TODAY...ROADWAYS ARE NOT EXPECTED TO BE HIGHLY IMPACTED. HOWEVER...ELEVATED ROADWAYS MAY BECOME HAZARDOUS ESPECIALLY ACROSS NORTHWESTERN ALABAMA WHERE SUB FREEZING TEMPERATURES WILL BE IN PLACE LONGER.

DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

A HEAVY SNOW WARNING WILL REMAIN IN PLACE THROUGH 9 AM ACROSS NORTHERN ROUGHLY ALONG AND NORTH OF A LINE FROM VERNON...TO JASPER...ONEONTA...GADSDEN...AND CENTRE. ELSEWHERE...A SNOW ADVISORY IS IN PLACE.

IN ADDITION...AS THE STORM SYSTEM LIFTS OUT OF THE AREA SATURDAY...NORTH WINDS WITH SUSTAINED WIND SPEEDS OF 15 MPH AND GUSTS TO 25 MPH WILL BE POSSIBLE DURING THE DAY.

SUNDAY THROUGH THURSDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

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