Jun 30, 2020
Multiple thunderstorms developed over central North Dakota as an upper level trough approached the area. Very strong instability was present, but thunderstorms were having trouble becoming surface based due to convection during the morning hours, which is addressed in a separate episode on this same date, keeping cloud cover over the area. One storm over Wells County became very slow moving, producing torrential rain in the Harvey area. This was preceded by rain during the morning, and followed
Source: NOAA National Weather Service Storm Events Database (event 899730). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Wells County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.