IEM Daily Feature
Friday, 29 January 2021

Snow Haves and Have-nots

Posted: 29 Jan 2021 05:37 AM

Probably a good time to check in on season to date snowfall departures according to NWS CLImate reporting sites. The largest positive departure shown on the map is Des Moines at nearly 23 inches above average! Remarkably, just to the north, Mason City is shown at 10 inches below average and even larger departures exist around the Great Lakes. The lack of significant cold and blowing air this season has hurt the Lake Effect snow machine over Michigan, which needs the strong thermal gradient between water and air to generate snow. More snow is in the forecast of this weekend with eastern Iowa in the bullseye this time.

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Tags:   snow