National Weather Service United States Department of Commerce


Strong low pressure over the Northern Plains brought unseasonably warm. moist air northward into the region Monday, March 6th, in advance of a strong cold front to the west. Ahead of that front, temperatures warmed through the 50s and 60s in many areas, with even some 70s noted over western portions of Minnesota and Iowa. As that front arrived, it brought with it a line of showers and thunderstorms, some of which were severe with damaging winds of 60 to 70 mph along with hail and frequent lightning. Numerous reports of damage were received across the area.

One tornado occurred in La Crosse County. A EF-1 tornado set down about 8:46 p.m. just north of Barre Mills and moved rapidly northeast. The tornado ended just south of West Salem about 8:50 p.m. A broken damage path was found by a NWS Survey Team that estimated the winds topped out between 100 and 110 mph.

Radar loop of severe thunderstorms as they crossed the area Monday evening.
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