Oklahoma

Storm History: Seminole County, Oklahoma

507 episodes, 745 events since 1954

Every storm the National Weather Service has filed in Seminole 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
745
Deaths
4
Injuries
63
Damage
$28 million
Episodes
507

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 Seminole 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
Tornado232263$16 million
Hail20200$1.4 million
Drought7300$8.3 million
Flash Flood4500$447,000
Heat4210
Excessive Heat4100
Thunderstorm Wind2000$63,000
Heavy Snow1200
Flood1100$116,000
Winter Storm1100$80,000
Ice Storm1000$2.0 million
Dense Fog1000
Cold/Wind Chill700
High Wind600$1,000
Wildfire600$5,000
Winter Weather500
Extreme Cold/Wind Chill400
Strong Wind200$6,000
Dust Storm200$3,000
Blizzard210
Lightning100$25,000
Frost/Freeze100

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 Seminole County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Seminole CountyEvery warning in Seminole 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.