Ohio

Storm History: Ottawa County, Ohio

390 episodes, 533 events since 1956

Every storm the National Weather Service has filed in Ottawa County, Ohio: floods, hail, damaging wind, tornadoes, winter storms, heat and the rest, with the most serious on record. Events filed by forecast zone count for every county the zone covers.

The record

Events
533
Deaths
0
Injuries
45
Damage
$103 million
Episodes
390

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Open the live radar over Ottawa County

Every year

From 1996 the record holds 48 kinds of event with each office’s narrative; before that, tornadoes, hail and thunderstorm wind only, and before 1955 tornadoes alone.

By kind of event

Counted under the kind that heads each episode.

Kind of eventEventsDeathsInjuriesDamage
Hail18708$3.4 million
Tornado86017$47 million
Thunderstorm Wind8200$5.5 million
High Wind43016$5.8 million
Flash Flood4200$21 million
Winter Storm2602$4.6 million
Flood900$5.8 million
Lakeshore Flood700
Heavy Snow600$1.0 million
Storm Surge/Tide600$2.5 million
Extreme Cold/Wind Chill600
Drought500$5.0 million
Strong Wind400$80,000
Coastal Flood400$65,000
Cold/Wind Chill300$55,000
Waterspout300
Lightning300$79,000
Ice Storm300$1.1 million
Winter Weather202
Heat200
Blizzard200
Heavy Rain100$34,000
Seiche100

The deadliest

None recorded.

The costliest

Damage within this county, in the dollars of its year.

The largest hail

The largest stone in each episode, which may have fallen in a neighboring county of the same episode.

The strongest tornadoes

Every tornado in Ottawa County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Ottawa CountyEvery warning in Ottawa County since 1986Every county in Ohio

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.