The current cool weather pattern has recently developed over the central and norther Plains. That cold air is expected to spread east over the next week. Frost and freezing temperatures are possible in northern and central sections over the next 7 days. Than, a warmer and wetter weather pattern is expected over most of the eastern and central CONUS.
The National Weather Service offices across the western Great Lakes have all issued Winter Weather Advisories for this snowfall event that is expected to continue, even over Iowa into northern Illinois and Wisconsin into early Friday afternoon and over Lower Michigan into the early evening of Friday.
The following slides will show you the details of this event that is expected to bring up to 10″ of snow in about 12 hours to some locations in western Great Lakes. It will likely be the heaviest snowfall over most of the area since mid February.
A narrow band of snowfall greater than 6″ in 12 hours is expected about 100 miles north of the track of the surface low. That would be near or just north of I-96 in Michigan. Snowfall rates in the heaviest snow area will be high enough to accumulate during the daytime, even in late March.
Largely this means warmer and wetter over the CONUS but cold and snowy over southern Canada.
This past 15 days ( Jan. 23- Feb. 7) in Grand Rapids, Michigan were the warmest on record (34.8F) that exceeded the 34.7F for the 15 days ending on January 6th 2012.
The bottom line is it will be very warm, relative to normal until around Valentine’s Day, the it will get cold across most of the central and eastern CONUS with a significant amount of snow over the Great Lakes and New England.
Does the cold and snowy weather come back?
themarinocast 