Jun 27, 2009
A warm front pushed northward through eastern North Dakota during the afternoon of the 26th. By the early evening, low pressure had set up over northwest South Dakota, with the warm front extending to the northeast along a line from near Bismarck to near Devils Lake. The airmass in the warm sector was quite juicy, with surface dew points in the mid to upper 60s and temperatures in the low 90s. Thunderstorms fired up along the front and moved very slowly, which led to heavy rainfall and some floo
Source: NOAA National Weather Service Storm Events Database (event 180531). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Nelson County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.