Jun 16, 2004
A tropical airmass was in place over Iowa as a weak cold front moved southeast into the state. At the same time, a tropical feature lifted north across Texas into Oklahoma and fed moisture into the state. Dew points south of the front rose into the mid 70s by the late morning hours. Precipitable water values were in the one and one half to two inch range with CAPE values across the state ranging from 1500 J/kg along the front to 3500 J/kg a ways ahead of the front. Zero to 3 km CAPE values w
Source: NOAA National Weather Service Storm Events Database (event 5405468). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Sac County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.