Oklahoma

Storm History: Ottawa County, Oklahoma

548 episodes, 795 events since 1956

Every storm the National Weather Service has filed in Ottawa County, Oklahoma: 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
795
Deaths
12
Injuries
239
Damage
$100 million
Episodes
548

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
Tornado2197233$26 million
Hail17211$436,000
Flash Flood11700$1.1 million
Flood10500$21 million
Thunderstorm Wind5410$344,000
Drought4100
Excessive Heat3300
Winter Storm2200$1.3 million
Ice Storm1100$50 million
Heavy Snow1000
High Wind400$12,000
Heat400
Winter Weather100
Wildfire100$100,000
Blizzard135

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 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 Oklahoma

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.