Jun 21, 2016
A compact upper level low approached North Dakota while strong instability and very strong deep layer shear were present over a broad portion of the state. Storms initiated over eastern Montana into southwest North Dakota and moved across the area in the evening and overnight hours. Storms were slow to intensify at first, then around 730 pm CDT explosive growth occurred over western North Dakota. Strong supercells developed producing very large hail along with funnel clouds. There were two confi
Source: NOAA National Weather Service Storm Events Database (event 639786). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Hettinger County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.