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Severe Thunderstorms in the Central U.S.; Heavy to Excessive Rainfall in the Ohio Valley and Central Appalachians

Severe thunderstorms producing damaging winds, hail, and a few tornadoes are expected through Tuesday across parts of the central Plains and lower to mid Missouri Valley. Heavy to excessive rainfall could produce flooding across portions of the Ohio Valley into the Central Appalachians through Tuesday. Read More >

Overview

An area of low pressure tracked from central Nebraska to northwest Iowa during the morning hours on the 10th. Ahead of the system's warm front, snow became widespread across southern Minnesota and central and northern Wisconsin. As the day progressed, snow spread into northeast Minnesota.

Early on the 11th, the low moved through northern Iowa and southern Wisconsin. Behind the low a trough axis was present extending into North Dakota for most of the day. This allowed for ongoing snowfall throughout the Northland. Due to northerly and northeasterly flow, lake enhancement was present. By the end of the day, snow due to the large scale system came to an end across Minnesota.

Winds remained out of the north and northwest from the 12th until early on the 14th. This resulted in a prolonged period of lake effect snow across the South Shore of Lake Superior.

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