These tornados formed from severe thunderstorms that tracked across Nobles and Murray county into Cottonwood county. Most of the tornados that struck Nobles and Murray counties were rated as F2 on the Fujita scale. However the storm intensified as it moved northeast into Cottonwood county and produced an F3 tornado which started 5 miles south of Westbrook in Cottonwood County and traveled a total path length of 62 miles where it ended 4 miles east of Courtland. This flanking line was the interface between the rear flank downdraft and ambient southerly flow feeding moisture into the storm. Note that the storm tracking algorithm was tracking the storm centroid just north of Comfery.
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