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Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Overview

A strong spring weather system brought rounds of thunderstorms to the area on Tuesday, April 12th. Scattered storms produced pea to ping pong sized hail over southern Minnesota into central Wisconsin during the afternoon. 

More widespread storms impacted the region during the evening and overnight producing hail, damaging winds, a few tornadoes and locally heavy rain. The strongest storms occurred near the Minnesota/Iowa border with storms weakening overnight as they moved into Wisconsin.

A total of nine (9) tornadoes have been documented. Other damage has been determined to be wind damage.  We are still adding possible tornado damage as we investigate reports and satellite imagery.

 

radar
Regional radar animation from 7 pm Apr 12 to 1 am Apr 13
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