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Flood — Pocahontas, IA

Jun 29, 1998

A complex weather situation was set up over the central U.S. as a mesoscale convective system passed to the south of Iowa during the overnight hours and early morning of the 29th. Initially, the surface warm front was located to the south of this system. That was not actually the case aloft however. During the predawn hours the surface front surged north and by sunrise was located across northeast Nebraska across northern Iowa. The airmass was very unstable to the south of the front with dew

Source: NOAA National Weather Service Storm Events Database (event 5652994). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Pocahontas, IA

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

View Pocahontas County flood data →

More Flood Stories

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Flash Flood$10K damage

Pocahontas, IA · Jun 14, 2018

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Pocahontas, IA · May 16, 1999

May of 1999 saw several significant flooding episodes across the Des Moines CWA. For the most part, central Iowa was spared the extremely heavy rainfall that caused major, and at several locations record, flooding along rivers in the northeast and east parts of the state.

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Flash Flood$150K damage

Pocahontas, IA · Jun 11, 2008

An unseasonably strong storm system aloft was located over the northern Rockies. This produced a very strong northward push of moisture into Iowa.

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