Seneca County tornado history

24 tornadoes touched Seneca County, Ohio between 1950 and 2025 — about 0.3 a year. The strongest was rated F3 (May 10, 1973). Tornadoes here killed 11 and injured 138 people.

24tornadoes since 1950

F3strongest rating

11killed · 138 injured

50.1 milongest path · 1973

(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5· dots = start point only

By rating

(E)F06

(E)F18

(E)F26

(E)F33

(E)F40

(E)F50

unrated1

By month

JFMAMJJASOND

Peak month: May.

By decade

’50’60’70’80’90’00’10’20

Strongest tornadoes

Date	Rating	Path	Width	Injured	Killed
May 10, 1973	F3	50.1 mi	27 yd	100	6
Apr 11, 1965	F3	15 mi	300 yd	30	4
Nov 10, 2002	F3	21 mi	100 yd	2	1
Jul 13, 1992	F2	16 mi	100 yd	0	0
Nov 10, 2002	F2	9 mi	50 yd	0	0
May 30, 2008	EF2	8.3 mi	100 yd	6	0
Nov 16, 1965	F2	5.9 mi	500 yd	0	0
Feb 18, 1961	F2	1.5 mi	440 yd	0	0
Nov 5, 2017	EF2	0.6 mi	150 yd	0	0
May 30, 1991	F1	22 mi	100 yd	0	0
Sep 5, 1975	F1	10.2 mi	10 yd	0	0
May 11, 1974	F1	0.5 mi	30 yd	0	0

Most recent tornadoes

Date	Rating	Path	Width	Injured	Killed
Mar 14, 2024	unrated	1.3 mi	50 yd	0	0
Nov 5, 2017	EF2	0.6 mi	150 yd	0	0
Nov 5, 2017	EF1	0.4 mi	180 yd	0	0
Jul 10, 2013	EF0	10.2 mi	50 yd	0	0
Jul 8, 2013	EF0	0.1 mi	15 yd	0	0
May 30, 2008	EF2	8.3 mi	100 yd	6	0
Aug 5, 2007	EF0	0.8 mi	10 yd	0	0
Nov 10, 2002	F2	9 mi	50 yd	0	0
Nov 10, 2002	F3	21 mi	100 yd	2	1
Jul 13, 1992	F2	16 mi	100 yd	0	0
Jun 15, 1991	F0	0.2 mi	20 yd	0	0
May 30, 1991	F1	22 mi	100 yd	0	0

Deadliest: May 10, 1973, F3, 6 killed.

Nearby counties

Sandusky County, OH14 Crawford County, OH18 Wyandot County, OH11 Huron County, OH38 Hancock County, OH17 Ottawa County, OH15 Wood County, OH28 Erie County, OH15

Questions

How many tornadoes has Seneca County, Ohio had?

24 tornadoes touched Seneca County, Ohio between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.3 per year.

What was the strongest tornado in Seneca County?

The strongest rating recorded was F3 on May 10, 1973, with a 50.1-mile path and 6 deaths.

When is tornado season in Seneca County?

Most of its tornadoes happened in May (5 of 24). Tornadoes can occur in any month, so keep alerts on year-round.

Right now: live tornado warnings map · alerts for your location. Dates link to that day’s full storm reports where available (2004 onward).