Ohio

Storm History: Hamilton County, Ohio

674 episodes, 1,159 events since 1954

Every storm the National Weather Service has filed in Hamilton 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
1,159
Deaths
26
Injuries
627
Damage
$275 million
Episodes
674

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 Hamilton 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
Flash Flood24450$18 million
Tornado22713580$146 million
Hail21812$2.2 million
Thunderstorm Wind15119$854,000
Flood13022$6.3 million
Winter Weather60132$2.0 million
Winter Storm5510$785,000
High Wind1810$97 million
Heavy Snow1700$5,000
Ice Storm900
Strong Wind701$81,000
Excessive Heat600
Lightning501$275,000
Heat300
Extreme Cold/Wind Chill310
Drought200
Heavy Rain200$20,000
Cold/Wind Chill100$400,000
Frost/Freeze100$540,000

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 Hamilton County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Hamilton CountyEvery warning in Hamilton 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.