Snow showers continue the next few days with heavier lake effect snow shifting to the South Shore of Lake Superior; A cold pattern thru this weekend

5:33 PM Wednesday, November 16, 2022

1 to 2 feet of snow has fallen since Monday along the North Shore of Lake Superior with some of the highest totals reported around the Finland and Silver Bay areas, northeast to Grand Marais and Hovland.

The rest of the Northland has also picked up several inches of snow over the past few days, but by far the highest snow amounts have been focused on the North Shore of Lake Superior.

72-Hour Snowfall Reports ending 8 AM Wednesday, November 16, 2022

Source: NWS Duluth, MN

4 NNW Silver Bay, MN: 24.0″
7 WSW Hovland, MN: 21.2″
3 E Finland, MN: 21.0″
21 N Grand Marais, MN: 20.0″
Wolf Ridge, MN: 18.5″
4.4 W Grand Marais, MN: 15.9″
3.8 NNE Grand Marais, MN: 13.8″
2 NE Lutsen, MN: 10.5″
4.9 NE Tofte, MN: 10.1″
Silver Bay, MN: 10.0″
9 NNW Grand Marais, MN: 10.0″
2.1 NW Two Harbors, MN: 8.8″
11.8 NNE Duluth, MN: 8.5″
4.6 NE Duluth, MN: 7.3″
7 WSW Pine River, MN: 7.2″
Duluth, MN (NWS) 7.1″
7 N McGregor, MN: 6.0″
0.7 S Coleraine, MN: 5.6″
1.2 SE Duluth, MN: 5.5″
Two Harbors, MN: 5.5″
6.2 SSW Grand Rapids, MN: 5.4″
5.1 N Floodwood, MN: 5.1″
8.4 N Pine River, MN: 5.0″
Embarrass, MN: 4.9″
9.2 NNE Wright, MN: 4.8″
International Falls, MN: 4.6″
9 N Bayfield, WI: 4.6″
7.3 SW Bigfork, MN: 4.6″
8 NE Cook, MN: 4.1″
0.9 WNW Ely, MN: 4.0″
2 WNW Superior, WI: 3.8″
9.6 W Aitkin, MN: 3.7″
3.9 SE Danbury, WI: 3.5″
2 NNE Duluth, MN: 3.0″
9.8 W Ashland, WI: 2.8″
1.2 W Solon Springs, WI: 2.8″
4.4 SSE Hayward, WI: 2.8″
1.1 W Webb Lake, WI: 2.6″
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Areas of snow showers and flurries will linger over the Northland through Thursday with heavier snow at times along the North Shore of Lake Superior this evening, and then along portions of the South Shore of Lake Superior Thursday. Snowfall rates of 1″ per hour are possible in the most intense snow bands near Lake Superior through Thursday.

Note: Meso-low development is also expected over western Lake Superior tonight through Thursday which could lead to even heavier snowfall where and when these meso-lows come ashore.

18z NAM 3km model radar forecast thru 6 PM Thursday

Snow (blue colors)

Winter Storm Watch has been issued for the South Shore of Lake Superior in northwest Wisconsin for Thursday afternoon through late Thursday night.

Winter Weather Advisory is in effect until Midnight tonight for the North Shore of Lake Superior in northeast Minnesota.

Additional snowfall accumulations of 1 to 3 inches are expected along the North Shore tonight, then the focus for lake effect snow will shift to the South Shore of Lake Superior Thursday through Friday morning with snowfall accumulations of 4 to 10 inches possible with some locations picking up 2 feet to possibly as much as 4 feet of snow in western Upper Michigan (northeast of the Ironwood area)

The rest of the Northland outside of the lake effect areas should see anywhere from a trace to 2 inches of snow through Noon on Friday.

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A cold pattern is locked in, and it will be turning even colder over the next few days with highs only in the teens to around 20 Friday and Saturday with overnight lows on those nights in the single digits below to around 10 above zero.

Here’s the 500mb forecast through 12 PM Sunday, November 20, 2022.

Next week is trending colder in today’s model guidance, although it still does look like will get at least a brief warm up the middle of next week which could send temperatures above the freezing mark in the Northland, but any warming we see may end up being pretty brief.

GEFS model temperature anomaly trends for November 22-27, 2022.

Blue – Below average temperatures

Orange and Red – Above average temperatures

Thanks for reading!

Tim

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