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Western Storm Spreads East

A western storm will slowly spread accumulating snow into the Intermountain West and Rockies, while heavy snow persists across the southern Sierra-Nevada mountains. Locally heavy rain will be possible from parts of southeastern Arizona into western new Mexico. A strong Bering Sea storm will bring an accumulating wintry mix, coastal flooding and ice shoves to western Alaska. Read More >

Overview

Widespread showers associated with an area of low pressure grew into low-topped supercells across eastern Minnesota during the afternoon as the activity encountered greater instability. Strong low level shear helped produce six tornadoes from central and east central into northwest Wisconsin. There were three EF1 tornadoes and three EF0s. To many, the Silver Lake tornado appeared stronger than an EF1, but this was likely due to the high amounts of moisture in the air which allowed the condensation funnel to grow large. Damage along its path suggested a peak wind speed of 105 mph, a high end EF1.

 

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