NOAA’s National Weather Service Assessment Teams have been in the Northwood North Dakota, Grand Forks County area this Monday morning. Very preliminary damage indications would place the Northwood tornado as a strong Enhanced Fujita Scale (EF) 3 or weak EF4. Wind speeds in an EF3 tornado range from 138 to 167 mph, with EF4 wind speeds in the 168 to 199 mph range.
Additional information would indicate the tornado was approximately 8/10 of a mile wide. Damage to the city of Northwood is extensive, and recovery efforts are underway at this time.
Beside the tornado at Northwood, preliminary information supports other tornadoes in the area last evening. Tornado damage has been reported in the Florian area of Marshall County in northwest Minnesota as well west of Eldred Minnesota in western Polk County. Additional information will be gathered during the next several days as NWS Storm Damage Teams continue to work.
Additional Information will be posted as it becomes available.