Sep 20, 2019
By the late afternoon of the 20th, a weak area of surface low pressure set up near Devils Lake, with the warm front extending out to the east-southeast. Temperatures had risen into the mid 70s to low 80s in the warm sector, with dew points in the upper 60s to lower 70s. To the southwest of the low, a cold front extended back toward Bismarck. Just before 5 pm CDT, a fairly solid line of thunderstorms developed along the cold front, while a smaller cluster formed around Cavalier. By around 6 pm CD
Source: NOAA National Weather Service Storm Events Database (event 855437). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Roseau County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.