4 AM Saturday – Winter Storm Update

Powerful winter storm to affect most of the Northland through Sunday morning.

No changes to the winter weather alerts – See prior post for a map of the active alerts.

Blizzard Warning remains in effect for Duluth until Noon Sunday while a Winter Storm Warning remains in effect for Superior until Noon Sunday. Note: It’s possible the winter storm warning for the South Shore including the city of Superior is upgraded to a blizzard warning sometime today.

Lakeshore Flood Warning remains in effect from Noon today until 6 PM Sunday with lakeshore flooding, beach and shoreline erosion possible in Canal Park, Minnesota Point, Wisconsin Point and Fond Du Lac.

Lakeshore Flood Warning has been issued for the South Shore of Lake Superior including for areas near the Bad River and Saxon Harbor. This warning is in effect from 6 PM this evening to 10 PM Sunday.

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The first wave of snow is lifting north across east-central Minnesota and northwest Wisconsin early this Saturday morning.

Radar loop below through 3:40 AM Saturday.

Source: MRMS radar; https://lab.weathermodels.com/

Not making any changes to my snowfall forecast early this morning, but I am a little concerned that my totals are too high in far northern Minnesota, roughly from around Bigfork to Babbitt and north from there, but I’ll hold off until this afternoon before making any big changes to my forecast.

-Snowfall accumulations of around 1 to 3 inches are possible through early this afternoon in Duluth and Superior. Gusty east winds 15 to 30 mph will cause areas of blowing snow.

-The most intense portion of this storm in the Twin Ports is forecast to begin mid to late Saturday afternoon and continue through Saturday night and into early Sunday morning (roughly from ~3 PM Saturday to ~8 AM Sunday) This is when snowfall rates of 1 to possibly 2 inches per hour are expected to occur along with wind gusts of 25 to 45 mph out of the east-northeast. Blizzard conditions should develop by late this afternoon.

-Travel will be extremely difficult to impossible in Duluth by late this afternoon and should remain that way into Sunday morning.

-Power outages are possible due to the strong winds and heavy wet snowfall.

Tim

Thanks for reading!

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