Freeze Watch

URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE
BIRMINGHAM AL332 PM CDT SAT MAR 22 2008...

FREEZING OVERNIGHT TEMPERATURES EXPECTED TO START OFF THEWEEK....

A LATE COLD SNAP WILL BRING THE THREAT OF FREEZING TEMPERATURES TO CENTRAL ALABAMA SUNDAY NIGHT...THREATENING AREA AGRICULTURAL AND HORTICULTURAL INTERESTS...AS WELL AS BACKYARD GARDENERS. NORTHWESTERLY FLOW ALOFT EXTENDING FROM THE UPPER MIDWEST INTO THESOUTHEAST WILL ADVECT UNSEASONABLY COLD AIR INTO THE AREA SUNDAY AND MONDAY...RESULTING IN LOW TEMPERATURES SUNDAY NIGHT THAT WILLFALL INTO THE LOWER TO MIDDLE 30S ACROSS ALL OF CENTRAL ALABAMA. ALTHOUGH THE WINDS ARE EXPECTED TO STAY UP AND THE AIR MASS WILLBE VERY DRY...THERE IS A GOOD CHANCE THAT TEMPERATURES WILLAPPROACH THE FREEZING MARK...ESPECIALLY IN PROTECTED AND LOW LYINGAREAS. IF THE FORECAST REMAINS UNCHANGED...A FREEZE WARNING WILLBE REQUIRED FOR AT LEAST PORTIONS OF CENTRAL ALABAMA.
THE COLD CONDITIONS WILL CONTINUE AGAIN MONDAY NIGHT...WITHTEMPERATURES EXPECTED TO BE AS COLD OR COLDER...WITH FREEZINGCONDITIONS EXPECTED TO BE MORE WIDESPREAD. A FREEZE WARNING MAYALSO BE NECESSARY ONCE AGAIN FOR MONDAY NIGHT.