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Flash Flood — Dunn, ND

Jul 22, 2011

A severe thunderstorm outbreak materialized over west and south central North Dakota in the late afternoon and evening hours of July 22nd, lasting into the early morning hours of the 23rd. Tornado watch numbers 673, 674, and 675 were in effect for this event. A tornadic storm developed over south central North Dakota along a surface warm front. Much of the severe weather for this event originated over eastern Montana associated with a strong upper level jet streak. This activity pushed into west

Source: NOAA National Weather Service Storm Events Database (event 338478). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Dunn, ND

This event is one of many recorded floods in Dunn County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View Dunn County flood data →

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