Ohio

Storm History: Clark County, Ohio

470 episodes, 663 events since 1962

Every storm the National Weather Service has filed in Clark 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
663
Deaths
1
Injuries
21
Damage
$26 million
Episodes
470

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 Clark 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
Tornado135116$6.2 million
Hail11701$403,000
Flash Flood11400$601,000
Thunderstorm Wind7401$299,000
Flood6301$136,000
Winter Weather5800
Winter Storm4900$525,000
High Wind1600$17 million
Heavy Snow1400$1,000
Ice Storm800
Heat300
Drought200
Extreme Cold/Wind Chill200
Excessive Heat200
Strong Wind200
Cold/Wind Chill100$20,000
Lightning102
Frost/Freeze100$540,000
Blizzard100

The deadliest

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 Clark County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Clark CountyEvery warning in Clark 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.