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Flood in Clark County, Ohio
94 floods and flash floods events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Flood, Flash Flood, Coastal Flood, Lakeshore Flood.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.
Clark County, Ohio, has 94 flood events in the NCEI record since 1950, with at least one in 27 different years.
May is the busiest month, with 25 of the recorded events. The last 20 years account for 65 events against 29 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.4% of the 6,794 flood events recorded in Ohio; its 23.7 per 100 square miles compares with 16.6 statewide.
NCEI attributes 1 death in the county to floods and flash floods.
Compared with Ohio
| Measure | Clark County | Ohio | US |
|---|---|---|---|
| Flood events since 1950 | 94 | 6,794 | 183,559 |
| Per 100 square miles | 23.7 | 16.6 | 5.2 |
| Per 10,000 residents | 6.9 | 5.8 | 5.5 |
| Deaths recorded | 1 | 74 | 2,961 |
| Busiest month | May | June | June |
By year
Seasonality
4Feb
5Mar
10Apr
6May
25Jun
19Jul
9Aug
6Sep
1Oct
1Nov
6Dec
2
Recorded events
All 94 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 28 Jun 2026 | Flood | — | — | — | — | — | County |
| 28 Jun 2026 | Flash Flood | — | — | — | — | — | County |
| 27 May 2026 | Flood | — | $10K | — | — | — | County |
| 27 May 2026 | Flash Flood | — | — | — | — | — | County |
| 27 May 2026 | Flood | — | — | — | — | — | County |
| 27 May 2026 | Flood | — | $5K | — | — | — | County |
| 27 May 2026 | Flood | — | — | — | — | — | County |
| 23 May 2026 | Flash Flood | — | — | — | — | — | County |
| 4 Apr 2025 | Flood | — | — | — | — | — | County |
| 25 Mar 2023 | Flood | — | — | — | — | — | County |
| 3 Mar 2023 | Flood | — | — | — | — | — | County |
| 7 Mar 2022 | Flood | — | — | — | — | — | County |
| 18 Feb 2022 | Flood | — | — | — | — | — | County |
| 18 Feb 2022 | Flood | — | — | — | — | — | County |
| 12 Aug 2021 | Flood | — | — | — | — | — | County |
| 18 May 2020 | Flood | — | — | — | — | — | County |
| 18 May 2020 | Flood | — | — | — | — | — | County |
| 18 May 2020 | Flood | — | $1K | — | — | — | County |
| 8 Apr 2020 | Flood | — | — | — | — | — | County |
| 8 Apr 2020 | Flood | — | — | — | — | — | County |
| 20 Mar 2020 | Flash Flood | — | — | — | — | — | County |
| 20 Mar 2020 | Flash Flood | — | $20K | — | — | — | County |
| 20 Mar 2020 | Flood | — | — | — | — | — | County |
| 20 Mar 2020 | Flash Flood | — | $5K | — | — | — | County |
| 7 Feb 2019 | Flood | — | — | — | — | — | County |
| 7 Feb 2019 | Flood | — | — | — | — | — | County |
| 19 Jun 2018 | Flood | — | — | — | — | — | County |
| 9 Jun 2018 | Flood | — | — | — | — | — | County |
| 8 Jun 2018 | Flood | — | — | — | — | — | County |
| 4 Apr 2018 | Flood | — | $3K | — | — | — | County |
| 3 Apr 2018 | Flood | — | — | — | — | — | County |
| 25 Feb 2018 | Flood | — | — | — | — | — | County |
| 5 Nov 2017 | Flash Flood | — | $5K | — | — | — | County |
| 5 Nov 2017 | Flash Flood | — | — | — | — | — | County |
| 5 Nov 2017 | Flood | — | — | — | — | — | County |
| 5 Nov 2017 | Flash Flood | — | — | — | — | — | County |
| 5 Nov 2017 | Flash Flood | — | $30K | — | — | — | County |
| 11 Aug 2017 | Flood | — | — | — | — | — | County |
| 6 Jul 2017 | Flash Flood | — | — | — | — | — | County |
| 28 Aug 2016 | Flash Flood | — | — | — | — | — | County |
| 29 Jul 2016 | Flood | — | — | — | — | — | County |
| 22 Jul 2016 | Flood | — | — | — | — | — | County |
| 18 Jul 2015 | Flood | — | — | — | — | — | County |
| 20 Jun 2015 | Flash Flood | — | — | — | — | — | County |
| 22 May 2014 | Flood | — | $200K | — | — | — | County |
| 21 May 2014 | Flood | — | — | — | — | — | County |
| 21 May 2014 | Flood | — | — | — | — | — | County |
| 21 May 2014 | Flash Flood | — | $1K | — | — | — | County |
| 21 May 2014 | Flash Flood | — | $1K | — | — | — | County |
| 21 May 2014 | Flash Flood | — | $1K | $1K | — | — | County |
| 22 Dec 2013 | Flood | — | — | — | — | — | County |
| 17 Jun 2012 | Flood | — | — | — | — | — | County |
| 4 May 2012 | Flood | — | — | — | — | — | County |
| 5 Dec 2011 | Flood | — | $1K | — | — | — | County |
| 11 May 2011 | Flood | — | $2K | — | — | — | County |
| 11 May 2011 | Flash Flood | — | $2K | — | — | — | County |
| 11 May 2011 | Flash Flood | — | $2K | — | — | — | County |
| 11 May 2011 | Flood | — | $20K | — | — | — | County |
| 11 May 2011 | Flash Flood | — | $20K | — | — | — | County |
| 11 May 2011 | Flash Flood | — | $2K | — | — | — | County |
| 5 Mar 2011 | Flood | — | $5K | — | — | — | County |
| 12 Jul 2010 | Flash Flood | — | $2K | — | — | — | County |
| 4 Jun 2008 | Flash Flood | — | $10K | — | — | — | County |
| 14 Mar 2007 | Flood | — | $3K | — | — | — | County |
| 2 Mar 2007 | Flood | — | $2K | — | — | — | County |
| 30 Jun 2005 | Flood | — | — | — | — | — | Forecast zone |
| 11 Jan 2005 | Flood | — | $10K | — | — | — | Forecast zone |
| 5 Jan 2005 | Flood | — | $20K | — | — | — | Forecast zone |
| 11 Jun 2004 | Flood | — | — | — | — | — | Forecast zone |
| 4 Jan 2004 | Flood | — | — | — | — | — | Forecast zone |
| 4 Jan 2004 | Flood | — | — | — | — | — | Forecast zone |
| 7 Aug 2003 | Flood | — | — | — | — | — | Forecast zone |
| 2 Aug 2003 | Flood | — | — | — | — | — | Forecast zone |
| 31 Jul 2003 | Flood | — | — | — | — | — | Forecast zone |
| 8 Jul 2003 | Flood | — | — | — | — | — | Forecast zone |
| 8 Jul 2003 | Flash Flood | — | — | — | — | — | County |
| 10 May 2003 | Flood | — | — | — | — | — | Forecast zone |
| 10 Nov 2002 | Flood | — | — | — | — | — | Forecast zone |
| 27 Sep 2002 | Flood | — | — | — | — | — | Forecast zone |
| 13 Jun 2002 | Flood | — | — | — | — | — | Forecast zone |
| 13 Jun 2002 | Flash Flood | — | $10K | — | — | — | County |
| 5 Jun 2002 | Flood | — | — | — | — | — | Forecast zone |
| 30 Aug 2001 | Flash Flood | — | — | — | — | — | County |
| 29 Jul 2001 | Flash Flood | — | — | — | — | — | County |
| 11 Jun 2001 | Flash Flood | — | $5K | — | — | — | County |
| 16 May 2001 | Flash Flood | — | — | — | — | — | County |
| 5 Oct 2000 | Flash Flood | — | $3K | — | — | — | County |
| 16 Jun 2000 | Flash Flood | — | $2K | — | — | — | County |
| 16 Jun 2000 | Flash Flood | — | $1K | — | — | — | County |
| 7 May 1998 | Flash Flood | — | $50K | — | 1 | — | County |
| 2 Jun 1997 | Flash Flood | — | $5K | — | — | — | County |
| 1 Jun 1997 | Flood | — | — | — | — | — | Forecast zone |
| 1 Jun 1997 | Flash Flood | — | $10K | — | — | — | County |
| 29 Apr 1996 | Flash Flood | — | $3K | — | — | — | County |
Questions and answers
How many flood events has Clark County had?
94 events in the NCEI Storm Events record between 1950 and 2026. Reporting of floods and flash floods became far more complete after 1996, so early decades undercount.
When was the last recorded flood event in Clark County?
28 Jun 2026 (Flash Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Clark County?
The flood of 22 May 2014, with property damage estimated by NCEI at $200K.
How does Clark County compare with Ohio for flood?
23.7 events per 100 square miles against 16.6 statewide; the county holds 94 of the state's 6,794 recorded events.
Provenance
NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Flood hub and the county page.