Chase Log

May 1st, 2001 Glenville, Minnesota Tornadoes

The day of May 1, 2001 will live a long time in my mind. The day started out with a potentially explosive situation in northwest Iowa and southwest Minnesota. A strong low with associated warm front was approaching the area from South Dakota, as well as a pronounced dry punch from Nebraska. Our thoughts were to get in position at the nose of the dry punch. Several tornadic supercells developed in Minnesota before we could make it there. However, little did we know that the tail end storm, the Glenville storm, was to be the most spectacular show of the day, and maybe of the season. The cell developed in Winnebago county, Iowa and intensified as it crossed the border into Minnesota. It rapidly developed one of the most incredible large rotating wall clouds I have ever seen, followed by an awesome tornado. Unfortunately it hit parts of the town of Glenville. A second even larger tornado developed after an occlusion near the town of Austin, Minnesota, followed by a third “Wizard of Oz” type tornado near Rosebud, Minnesota.

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