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Flood — Hardin, IA

Jul 10, 2000

A major flash flood event began during the evening hours of July 9, as a large mesoscale convective system developed over northern Iowa and moved slowly southeast. The event was well anticipated by the NWS, as a Flood Potential Statement for the Cedar River Basin and Flash Flood Watch were issued around noon on the 9th. The watch covered the northern one half of Iowa. Ingredients in place over this area included a very moist and unstable airmass, a nearly stationary frontal boundary, a strong

Source: NOAA National Weather Service Storm Events Database (event 5151985). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Hardin, IA

This event is one of many recorded floods in Hardin County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

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Flash Flood$250K damage

Hardin, IA · Jun 24, 2013

An unstable airmass was in place over Iowa with CAPE over 2000 J/kg already by early in the morning. Downdraft CAPE was quite high, in the 1000 to 1300 J/kg range, with 400 to 600 J/kg in the -10 to -30 C layer of the atmosphere.

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Flash Flood$200K damage

Hardin, IA · May 29, 2013

A warm front moved slowly north into Iowa during the overnight hours of the 28th into the 29th. The airmass became unstable as surface temperatures warmed into the low 80s, with dewpoints around 70 along and south of the front.

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