FloodZoneMap.org

Flash Flood — Harrison, MO

Jun 24, 2021

Late in the afternoon, and through the evening hours on June 24 a cluster of storms over southeast Nebraska congealed into a line of thunderstorms that focused across northern Missouri. Most notably within this line of storms was a cluster of QLCS tornadoes that formed in Grundy County. There may have been other tornadoes associated with circulations that were noted on radar, but emergency management confirmed damage consistent with tornadoes near Trenton and Laredo Missouri. Most of the damage

Source: NOAA National Weather Service Storm Events Database (event 969836). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Harrison, MO

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

View Harrison County flood data →

More Flood Stories

Flash Flood

Harrison, MO · May 28, 2019

Widespread severe weather moved through the region on May 28. One supercell produced several tornadoes, including the Lawrence to Linwood, Kansas tornado.

Read the full account →
Flash Flood

Harrison, MO · May 28, 2019

Widespread severe weather moved through the region on May 28. One supercell produced several tornadoes, including the Lawrence to Linwood, Kansas tornado.

Read the full account →
Flash Flood

Harrison, MO · May 28, 2019

Widespread severe weather moved through the region on May 28. One supercell produced several tornadoes, including the Lawrence to Linwood, Kansas tornado.

Read the full account →
Flash Flood

Harrison, MO · Jun 28, 2017

On the evening of June 28 a complex of supercell thunderstorms moved into northern Missouri, producing widespread large hail and damaging winds, mainly north of Interstate 70. These storms also produced at least 3 tornadoes, all north of Highway 36.

Read the full account →