NEW : Fast - moving cold front knifes through southeastern U.S. , into Florida . Alpine skiing begins the following day . NEW : At least nine deaths nationwide blamed on cold fronts this year . NEW : Warmer air gradually will move eastward , with Northeast the last to see snow . Key West , Florida , southernmost point in continental Florida , has coldest winter in 112 years .
NEW : Fast - moving cold front knifes through southeastern U.S. , into Florida . NEW : At least nine deaths nationwide blamed on cold fronts this year . NEW : Warmer air gradually will move eastward , with Northeast the last to see snow . Key West , Florida , southernmost point in continental Florida , has coldest winter in 112 years .