From The Birmingham NWS

WWUS84 KBMX 232258
SPSBMX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
458 PM CST TUE FEB 23 2010

…BRIEF PERIOD OF WINTER WEATHER POSSIBLE LATE TONIGHT INTO WEDNESDAY…

LIGHT RAIN WILL MOVE INTO WESTERN ALABAMA AROUND MIDNIGHT AND
GRADUALLY SHIFT EASTWARD JUST AHEAD OF A MUCH COLDER AIR MASS. AS
TEMPERATURES COOL DURING THE OVERNIGHT HOURS AND THE ATMOSPHERE
MOISTENS IN THE LOWEST LEVELS…A TRANSITION OVER TO A MIX OF RAIN
AND SNOW…OR ALL SNOW IS EXPECTED ACROSS MUCH OF CENTRAL ALABAMA.
THE BEST CHANCE OF A COMPLETE CHANGEOVER TO SNOW WILL BE ALONG AND
NORTH OF INTERSTATE 20…ALTHOUGH THE HEAVIEST PRECIPITATION IS
EXPECTED TO FALL FARTHER SOUTH. TEMPERATURES ARE EXPECTED TO FALL
INTO THE LOW TO MIDDLE 30S AS FAR SOUTH AS THE INTERSTATE
85/HIGHWAY 80 CORRIDOR. SOUTH OF THIS LINE…WHERE THE HEAVIEST
PRECIPITATION IS EXPECTED…PRECIPITATION WILL BE PRIMARILY
RAINFALL. A RAIN/SNOW MIX COULD CONTINUE IN EAST CENTRAL ALABAMA
THROUGH 10 AM TOMORROW…BUT AS TEMPERATURES WARM ANY LINGERING
PRECIPITATION WILL CHANGE BACK OVER TO RAIN. ANY ACCUMULATIONS
WILL BE MINIMAL…AND LIKELY CONFINED TO ELEVATED SURFACES SUCH AS
DECKS…ROOFS…THE TOPS OF VEHICLES…AND POSSIBLY ELEVATED
ROADWAYS.

$$

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