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Severe thunderstorms possible over the Mid Atlantic and Northeast U.S.

Severe thunderstorms may develop Monday afternoon and evening over portions of the Mid Atlantic and Northeast U.S. A few of the storms could contain damaging winds, large hail, and heavy rainfall. The severe weather threat will shift to the upper Midwest and Great Lakes by Tuesday and Wednesday of this week. 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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