StormTeam 3: Tracking a double header snow system Tuesday

Two low pressure systems will merge over the upper Midwest on Tuesday, allowing for widespread snow.

Posted: Feb 22, 2020 5:41 PM
Updated: Feb 25, 2020 8:35 PM

UPDATE: This forecast is out of date. Check the weather tab for the latest information

While the weather is certainly cooperating this weekend, these conditions will not last forever. In fact, it all comes to an end on Tuesday.

Two small disturbances in the atmosphere, known as shortwaves, will close in on the upper Midwest on Tuesday - merging into a larger snow storm that has the potential to drop several inches of snow.

On Monday, the first disturbance will be working its way towards Illinois from Texas. This system will pass well to our south. Simultaneously, the second disturbance will be moving in from the northwest near Montana. As these systems draw closer to each other late Monday, the second disturbance will be absorbed into the first disturbance over Illinois - together making for a much larger winter storm. On the north and west sides of this storm will be sustained snow and strong winds.

The interactions between two merging systems are quite complex, and because of this it is unknown where exactly the heaviest snow will fall, and when precisely that could be. Nonetheless, snow looks to start sometime late Monday night early Tuesday morning for our area. Snow will continue to fall throughout the day, and could potentially not move out until mid-Wednesday at the very latest.

As the now large snow storm exits to the east on Wednesday, the backside of the storm will push winds to 20-25mph sustained out of the north. This has the potential to make for large snow drifts on Wednesday.

Bottom line, expect some snow and hazardous travel conditions Tuesday and even Wednesday as these two systems merge. Whether this is 1 inch or 6 inches of snow, or to what degree the impact to travel will be, is still unknown.  We will know much more come Sunday night.

Minnesota Coronavirus Cases

Data is updated nightly.

Confirmed Cases: 41571

Reported Deaths: 1537
CountyConfirmedDeaths
Hennepin13328790
Ramsey5169232
Dakota265596
Stearns249619
Anoka2393111
Nobles16846
Olmsted125920
Washington125541
Mower9822
Rice8798
Scott8584
Clay61238
Kandiyohi5901
Blue Earth5632
Wright5285
Carver4691
Todd4022
Sherburne3625
Lyon3332
Freeborn3120
Watonwan2670
Steele2451
Benton2363
St. Louis22316
Nicollet20312
Martin1755
Cottonwood1420
Winona14115
Goodhue1408
Le Sueur1251
Crow Wing11312
Pine1120
Otter Tail1111
Chisago1071
McLeod1000
Dodge960
Carlton900
Polk883
Unassigned8838
Isanti810
Chippewa801
Waseca770
Murray730
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Pipestone694
Morrison641
Becker620
Meeker621
Faribault610
Sibley582
Jackson570
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Wabasha380
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Rock340
Swift331
Houston320
Yellow Medicine310
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Roseau250
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Wilkin223
Koochiching211
Norman210
Cass192
Big Stone170
Kanabec171
Lincoln170
Wadena170
Aitkin150
Marshall130
Pope130
Clearwater120
Stevens110
Hubbard100
Mahnomen101
Lake60
Traverse60
Lac qui Parle50
Red Lake40
Kittson20
Cook10
Lake of the Woods00

Iowa Coronavirus Cases

Data is updated nightly.

Confirmed Cases: 34564

Reported Deaths: 747
CountyConfirmedDeaths
Polk7332184
Woodbury332944
Black Hawk249259
Buena Vista173711
Johnson14268
Dallas138531
Linn138183
Marshall109219
Scott103110
Dubuque94023
Story8575
Pottawattamie82112
Wapello71431
Muscatine68745
Crawford6803
Sioux5010
Tama48329
Wright3971
Louisa36513
Webster3655
Plymouth3465
Jasper34417
Warren3191
Dickinson2993
Cerro Gordo2841
Washington2519
Hamilton2011
Boone1681
Clay1491
Clarke1433
Allamakee1384
Clinton1321
Shelby1200
Mahaska11917
Carroll1131
Poweshiek1128
Bremer1107
Pocahontas1071
Franklin1040
Des Moines1002
Cedar951
Emmet950
Henry933
Hardin900
Cherokee831
Floyd812
Taylor810
Marion800
Monona780
Benton751
Guthrie754
Jones710
Butler682
Osceola680
Sac680
Buchanan631
Calhoun632
Iowa631
Jefferson620
Hancock601
Harrison600
Humboldt601
Fayette570
Jackson570
Lyon570
Delaware561
Madison552
Lee542
Monroe527
Palo Alto510
Clayton503
Grundy470
Mills470
Winneshiek460
Mitchell440
Davis421
Kossuth410
Union380
Howard370
Lucas354
Unassigned350
Winnebago340
Greene300
Chickasaw290
Cass280
Ida230
Keokuk231
Worth220
Appanoose213
Page210
Van Buren210
Audubon181
Adair170
Ringgold161
Decatur130
Montgomery122
Wayne110
Fremont100
Adams80
Rochester
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Albert Lea
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Austin
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Charles City
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Severe Thunderstorm Watch Until 8 P.M.; Sunday looks great
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