The National Weather Service in Grand Forks, North Dakota, issued a tornado warning on Sunday at 4:21 p.m. CST for counties in the northwestern Minnesota area until 5:00 p.m. Residents in the counties of Wilkin, Clay, Otter Tail, and Becker are to watch for funnel clouds with caution, according to local authorities.
At 4:20 p.m., a severe thunderstorm with conditions favorable for tornadoes was located near the Lawndale area, moving northeast at 20 mph. Shorty afterwards, Doppler radar indicated a rotation and quarter-sized hail. There has been no report of a touchdown. The NWS will continue to monitor the possibility of a full tornado.
Damage should be expected to small structures and mobile homes. Winds in upwards of 100 mph can be expected in the some areas as the storm evolves.
The storm cell is continuing to move northeast at approximately 20 mph. Rainfall measured in the areas hardest hit exceed 55 dBZ.
Local authorities sent out an alert stating those near Lake Lida need to seek shelter immediately. Lightning and strong winds are to be expected as the storm cell passes over the area throughout the next hour.
By Alex Lemieux
The Weather Channel: Tornado Warning for Otter Tail County, MN
Weather Underground: Fargo-Grand Forks Radar
Photo Courtesy of Keith’s Flickr Page – Creative Commons License