Hail in McHenry County, North Dakota

Surface low pressure tracked across the Northern Plains, leading to moisture advection and isolated severe thunderstorms across central North Dakota. Supercells developed during the evening hours, continuing until the late evening. The strongest wind gust report was near Minot Air Force Base in Ward County, where a trained spotter reported wind gusts of 60 to 70 mph. The largest hail occurred in McHenry County, with hail of 2 inches in diameter observed near Velva and Drake. A tornado was observed approximately 4 miles east-southeast of Riverdale in McLean County around 9 PM CDT. There was no known damage from this tornado, therefore there is no estimated wind speed and it is assigned a rating of EF-Unknown per NWS policy.