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Flash Flood — Perry, IL

May 11, 2016

During the afternoon, multi-cell thunderstorm clusters developed along a warm front that was oriented from west to east along the Interstate 64 corridor. Surface dew points near and south of the front were in the lower 70's, which contributed to strong instability. Thunderstorm clusters moved eastward along the warm front, but they also developed southward into the strongest instability. Moderately strong deep-layer wind shear resulted in organized clusters of multi-cells with large hail and iso

Source: NOAA National Weather Service Storm Events Database (event 630329). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Perry, IL

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

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