Overview

• The Grand Forks office estimated peak winds above 210 mph, with a track just over 12 miles, up to 1.05 miles wide and on the ground for about 19 minutes.
• Authorities reported three deaths linked to the storm in rural areas near Enderlin.
• Analysis cited tipping of fully loaded grain hoppers and an empty tanker hurled roughly 475 feet, plus a farmstead swept from its foundation and widespread tree debarking.
• The rating was upgraded from an initial EF-3 after additional field surveys and collaboration with wind-damage experts, ending a 12-year EF-5 gap that was the longest on record.
• The tornado struck during a broader severe event that included a derecho and multiple twisters across North Dakota and western Minnesota.