Jul 3, 2019
The setup was not spectacular for sustained or widespread severe weather, but did lay the ground for some isolated issues. SB/MUCAPE values built up into the 2000-4000 J/kg range by the early afternoon with the help of dew points into the low to mid 70s and at least semi-supportive lapse rates. While there was not large scale lift, there was a weak boundary laid out across central Iowa from west to east, in part remnants from previous night and morning storms. Fortunately, effective bulk shear v
Source: NOAA National Weather Service Storm Events Database (event 842513). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Story County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.