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Calm Midweek, Before Weekend Winter Storm?

The weather pattern remains mostly quiet midweek but this may change by the weekend as confidence is increasing on a winter storm along the East Coast. On Wednesday, expect below normal temperatures for the Eastern half of the U.S., locally heavy snow in the southern Rockies and High Plains, showers and isolated thunderstorms in Florida and air stagnation issues in the Northwest. Read More >

Overview

On March 06, 2017, an early spring severe weather outbreak produced large hail and damaging wind in Wisconsin, and even three tornadoes across Minnesota. This marks the earliest date in Minnesota history that a tornado was ever recorded. The previous record was March 18, 1968.  The loop to the right shows a comparison of visible and infrared satellite imagery from the GOES16 satellite, along with radar reflectivity, lightning, and warnings at 5:00 PM March 06, 2017.  The line of thunderstorms was located across Central Minnesota and extends southward into Iowa.

300 mb winds and heights
Figure 1: Damage from Freeborn County in the town of Clarks Gove, Minnesota.

 

850mb temperatures and winds 850mb temperatures and winds
Figure 2: Damage from Sherburne County near Elk Lake, Minnesota. Figure 3: Damage from Faribault County by Rice Lake, Minnesota.

 

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