County Hazards

States › Ohio › Summit County › Flood

Flood in Summit County, Ohio

67 floods and flash floods events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Flood, Flash Flood, Coastal Flood, Lakeshore Flood.

67 events · 5 deaths recorded · peak month August · county share of state 1.0%

2024-08-08: Flood2024-08-08: Flood2024-08-08: Flood2024-08-08: Flood2024-08-08: Flood2024-08-08: Flood2024-08-08: Flood2024-08-08: Flood2024-08-08: Flood2024-08-08: Flood2024-08-08: Flood2024-08-08: Flood2024-08-08: Flood2020-09-07: Flood2020-06-05: Flood2020-05-25: Flood2019-06-17: Flood2019-06-17: Flood2019-06-17: Flood2019-06-17: Flood2017-07-22: Flood2014-05-12: Flood2014-05-12: Flood2014-05-12: Flood2013-07-10: Flood2013-07-10: Flood2013-07-10: Flood2013-07-10: Flood2011-07-19: Flood2011-07-19: Flood2011-05-25: Flood2011-02-28: Flood2007-08-20: Flood
Flood event locations in and around Summit County. Dots: Flood event locations in the kept record. Boundaries: US Census Bureau.

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.

Summit County, Ohio, has 67 flood events in the NCEI record since 1950, with at least one in 15 different years.

August is the busiest month, with 19 of the recorded events. The last 20 years account for 33 events against 34 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 1% of the 6,794 flood events recorded in Ohio; its 16.2 per 100 square miles compares with 16.6 statewide.

NCEI attributes 5 deaths in the county to floods and flash floods.

Compared with Ohio

MeasureSummit CountyOhioUS
Flood events since 1950676,794183,559
Per 100 square miles16.216.65.2
Per 10,000 residents1.25.85.5
Deaths recorded5742,961
Busiest monthAugustJuneJune

By year

195019882026
Flood events recorded in Summit County per year, 1950 to 2026 (2026 is partial).

Seasonality

Jan
2
Feb
1
Mar
0
Apr
2
May
13
Jun
15
Jul
12
Aug
19
Sep
2
Oct
0
Nov
0
Dec
1
Flood events in Summit County by month of occurrence, all years.

Recorded events

All 67 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
8 Aug 2024Flash Flood—$650K———County
8 Aug 2024Flash Flood—————County
8 Aug 2024Flash Flood—————County
8 Aug 2024Flash Flood—$450K———County
8 Aug 2024Flash Flood—$50K———County
8 Aug 2024Flash Flood—————County
8 Aug 2024Flash Flood—$100K———County
8 Aug 2024Flash Flood—$200K———County
8 Aug 2024Flash Flood—$200K———County
8 Aug 2024Flash Flood—————County
8 Aug 2024Flash Flood—————County
8 Aug 2024Flash Flood—$500K———County
8 Aug 2024Flash Flood—$30K———County
7 Sep 2020Flash Flood—————County
5 Jun 2020Flood—————County
25 May 2020Flash Flood—$15K———County
17 Jun 2019Flash Flood—$750K———County
17 Jun 2019Flash Flood—$500K———County
17 Jun 2019Flash Flood—$3.0M———County
17 Jun 2019Flood—$5K———County
22 Jul 2017Flood—————County
12 May 2014Flash Flood—$1.5M———County
12 May 2014Flash Flood—$11M———County
12 May 2014Flash Flood—$7.0M———County
10 Jul 2013Flash Flood—$15M———County
10 Jul 2013Flash Flood—$175K———County
10 Jul 2013Flash Flood—$3.8M—1—County
10 Jul 2013Flash Flood—$375K———County
19 Jul 2011Flash Flood—$500K———County
19 Jul 2011Flash Flood—$1.5M$75K——County
25 May 2011Flood—————County
28 Feb 2011Flood—$300K—1—County
20 Aug 2007Flash Flood—$250K———County
31 Jul 2006Flash Flood—$4.5M———County
26 Jun 2006Flash Flood—$150K———County
22 Jun 2006Flash Flood—$5.8M———County
30 Aug 2005Flood—$135K———Forecast zone
5 Aug 2005Flood—$75K———Forecast zone
1 Jan 2005Flood—$600K———Forecast zone
17 Sep 2004Flood—$100K———Forecast zone
22 May 2004Flash Flood—$8.1M———County
21 May 2004Flood—$1.1M———Forecast zone
21 May 2004Flash Flood—$2.4M———County
27 Aug 2003Flood—$150K———Forecast zone
27 Jul 2003Flash Flood—$750K———County
22 Jul 2003Flash Flood—$500K———County
21 Jul 2003Flash Flood—$100M—3—County
21 Jul 2003Flood—$10M———Forecast zone
15 May 2003Flash Flood—$100K———County
25 Aug 1998Flash Flood—————County
10 Aug 1998Flash Flood—————County
2 May 1998Flash Flood—————County
16 Apr 1998Flash Flood—————County
9 Jan 1998Flash Flood—$50K———County
5 Jun 1997Flood—————Forecast zone
1 Jun 1997Flash Flood—$40K$10K——County
1 Jun 1997Flash Flood—$25K$15K——County
11 Dec 1996Flash Flood—$5K———County
24 Jun 1996Flash Flood—$30K———County
14 Jun 1996Flash Flood—$20K———County
13 Jun 1996Flash Flood—————County
13 Jun 1996Flash Flood—$20K———County
13 Jun 1996Flash Flood—————County
11 May 1996Flash Flood—————County
11 May 1996Flash Flood—————County
10 May 1996Flash Flood—————County
23 Apr 1996Flash Flood—————County

Questions and answers

How many flood events has Summit County had?

67 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 Summit County?

8 Aug 2024 (Flash Flood). Records reach NCEI about 120 days after the month ends.

What was the most damaging flood event recorded in Summit County?

The flash flood of 21 Jul 2003, with property damage estimated by NCEI at $100M; 3 deaths recorded.

How does Summit County compare with Ohio for flood?

16.2 events per 100 square miles against 16.6 statewide; the county holds 67 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.