4 December Snow Squalls

Overview

Significant blowing and drifting snow due to high winds and snow squalls caused impacts on 4 December, 2024. A strong arctic cold front dropped through the region during the early morning hours of 4 December. As the secondary cold front passed through during the morning rush hour, a snow squall traveled the length of the entire Red River Valley from north to south. Winds behind the front gusted up to 60 mph through the afternoon, resulting in widespread blowing snow. Horizontal Convective Rolls (HCR's) developed during the afternoon, resulting in localized blizzard conditions. The worst conditions were under these rolls, where falling snow combined with the blowing snow to significantly reduce visibility down to a quarter mile. Outside of these rolls, blowing snow still occurred, but conditions were much better. Conditions improved in the evening, with the last HCR's ending after sunset, and winds greatly diminishing.

Photos & Video
Radar

Photos & Video

Header


MNDOT camera from Brooks	MNDOT camera from Lake Park	MNDOT camera from Thief River Falls	NDDOT camera from Crary Rest Area near Devils Lake


NDDOT camera from Langdon area	NDDOT camera from Emerado	MNDOT camera from Halstad	MNDOT camera from Barnesville


MNDOT camera from St. Vincent	MNDOT camera from Lancaster

Radar

Loop of the event from KMVX radar. Snow squall warnings are overlaid in the polygons.

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