Jun 21, 1998
Another round of a seemingly endless series of mostly nocturnal mesoscale convective systems hit iowa on the 20th and 21st. Fortunately, it shifted to the northeast part of the HSA, avoiding almost completely the saturated basins in the central part of the state. Rainfall of 2 to 5 inches was widespread across the upper Iowa and Cedar River basins, causing the first flooding of the month on these basins. Beaver Creek at New Hartford reached a crest of 11.9 feet on the 22nd, which would have f
Source: NOAA National Weather Service Storm Events Database (event 5653253). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Mahaska County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.