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Flash Flood — Ellis, KS

May 26, 2021

A surface low with a dry line extending across much of the CWA triggering thunderstorms during the afternoon hours for northern counties with storms further south later in the evening. Severe hail reports were the main observed weather but there were also a few tornadoes observed.

Source: NOAA National Weather Service Storm Events Database (event 963583). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Ellis, KS

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

View Ellis County flood data →

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Flash Flood

Ellis, KS · May 26, 2021

A surface low with a dry line extending across much of the CWA triggering thunderstorms during the afternoon hours for northern counties with storms further south later in the evening.

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Moisture and instability increased significantly as S/SE flow drew increasing dew points northward. Precipitable water climbed to near 1.5 inch by sunrise.

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Johnson, KS · Oct 4, 1998

Thunderstorms on the evening of October 4th produced very heavy rainfall resulting in major flash flooding over the Kansas counties of the Kansas City metropolitan area. Up to 3 to 5 inches of rain fell in a three hour period between 6:00 PM and 9:00 PM CDT.

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