Frigid Airmass to Bring Significantly Colder Temperatures; Heavy Lake-effect Snow; Fire Concerns Across the Central Gulf Coast

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Temperatures will tie or break many records across the Southeast through tonight. Moderate to heavy lake effect snow will continue downwind of the Great Lakes. Gusty winds and dry conditions will support an elevated fire weather threat across the Central Gulf Coast. Read More >

Snowfall composite maps stratified by 925 mb ALB wind direction and speed.

Based on advisory and warning level events from the 2013 - 2017 winter seasons.

925 mb:

0-90 degrees, 0-19 kt	0-90 degrees, 20-39 kt	0-90 degrees, 40+ kt
90-180 degrees, 0-19 kt	90-180 degrees, 20-39 kt	90-180 degrees, 40+ kt
180-270 degrees, 0-19 kt	180-270 degrees, 20-39 kt	180-270 degrees, 40+ kt
270-360 degrees, 0-19 kt	270-360 degrees, 20-39 kt	No events in the 270-360 degrees, 40+ kt category