Jun 27, 1999
Heavy rains on the 27th sent the Black Vermillion River into flood. Longtime residents of the area said it was one of the worst they had seen. Areas from Centrailia to the confluence with the Kansas River were flooded. Some property and crop damage was reported. At some points in Pottawatomie county the river was reported to be 2 miles wide. At Frankfort the river crested at 28.8 feet at 0300 of the 28th. With flood stage at 19 feet this was nearly 10 feet above flood stage.
Source: NOAA National Weather Service Storm Events Database (event 5701135). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Nemaha County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.