States › Ohio › 1973

Ohio, 1973

The year's recorded storm events, federal disaster declarations and flood insurance claims.

165events recorded35 in 1972

6deaths recorded140 injuries

$9.8Mproperty damage (estimates)

2disaster declarations0 NFIP claims, $0 paid

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.

Events by hazard

Wind92

Tornado55

Hail18

Includes events recorded by forecast zone. The state's yearly total for 1973 was 165 against 35 in 1972.

Counties with the most recorded events

County	Events in 1973
Butler County	10
Franklin County	8
Seneca County	8
Ottawa County	7
Richland County	7
Hamilton County	6
Columbiana County	5
Crawford County	5
Ashtabula County	4
Huron County	4
Tuscarawas County	4
Adams County	3
Allen County	3
Fairfield County	3
Greene County	3
Lucas County	3
Marion County	3
Mercer County	3
Montgomery County	3
Shelby County	3
Auglaize County	2
Carroll County	2
Cuyahoga County	2
Hancock County	2
Highland County	2

Notable events

Date	County	Event type	Magnitude	Property damage	Deaths	Injuries
10 May 1973	Huron	Tornado	F3	$2,500,000	5	100
10 May 1973	Seneca	Tornado	F3	$2,500,000	1	—
10 May 1973	Richland	Tornado	F2	$25,000	—	14
10 May 1973	Ashland	Tornado	F2	$250,000	—	6
26 Dec 1973	Fairfield	Tornado	F1	$250,000	—	4
10 May 1973	Clark	Tornado	F3	$2,500	—	4
10 May 1973	Franklin	Tornado	F3	$2,500	—	3
10 May 1973	Wayne	Tornado	F2	$250,000	—	2
30 May 1973	Franklin	Tornado	F2	$2,500,000	—	1
10 May 1973	Holmes	Tornado	F2	$250,000	—	1
26 Jul 1973	Columbiana	Tornado	F1	$25,000	—	1
3 Jun 1973	Portage	Tornado	F3	$25,000	—	1
26 Jun 1973	Hancock	Tornado	F1	$25,000	—	1
10 May 1973	Perry	Tornado	F3	$2,500	—	1
19 Jun 1973	Union	Tornado	F0	$2,500	—	1
8 May 1973	Franklin	Tornado	F2	$250,000	—	—
26 Dec 1973	Ross	Tornado	F1	$250,000	—	—
25 May 1973	Franklin	Tornado	F2	$250,000	—	—
10 Jul 1973	Washington	Tornado	F1	$250,000	—	—
10 May 1973	Wyandot	Tornado	F2	$25,000	—	—
3 Jun 1973	Summit	Tornado	F3	$25,000	—	—
14 Aug 1973	Muskingum	Tornado	F2	$25,000	—	—
26 Dec 1973	Butler	Tornado	F1	$25,000	—	—
19 May 1973	Butler	Tornado	F1	$25,000	—	—
20 Jul 1973	Putnam	Tornado	F1	$25,000	—	—
26 Jun 1973	Mercer	Tornado	F0	$25,000	—	—
28 Jun 1973	Mercer	Tornado	F0	$25,000	—	—
10 May 1973	Madison	Tornado	F3	$2,500	—	—
10 May 1973	Fairfield	Tornado	F3	$2,500	—	—
8 May 1973	Cuyahoga	Tornado	F0	$2,500	—	—
25 May 1973	Van Wert	Tornado	F1	$2,500	—	—
25 May 1973	Hardin	Tornado	F1	$2,500	—	—
14 Jul 1973	Butler	Tornado	F0	$2,500	—	—
12 Aug 1973	Butler	Tornado	F0	$2,500	—	—
10 May 1973	Marion	Tornado	F2	$2,500	—	—
10 May 1973	Morrow	Tornado	F2	$2,500	—	—
10 May 1973	Champaign	Tornado	F3	$2,500	—	—
3 Jul 1973	Crawford	Tornado	F0	$2,500	—	—
3 Jul 1973	Butler	Tornado	F1	$2,500	—	—
14 Jul 1973	Preble	Tornado	F1	$2,500	—	—

Up to 40 events with deaths, injuries, damage of $50,000 or more, or a tornado rating, ranked by deaths, injuries and damage.

Federal disaster declarations in 1973

Declared	Number	Type	Incident	Title	Counties
4 Jun 1973	DR-390	Major disaster	Mud/Landslide	Mudslides	2
27 Apr 1973	DR-377	Major disaster	Flood	Severe Storms & Flooding	8

Flood insurance claims with a 1973 date of loss

No NFIP claims in Ohio carry a 1973 date of loss. The NFIP claims file begins with 1978 losses.

Sources: NOAA NCEI Storm Events through 30 Jun 2026; OpenFEMA DisasterDeclarationsSummaries v2 (1 Oct 2026); OpenFEMA NfipClaims v3 (8 Sep 2026). Built 1 Oct 2026.