Tennessee

Storm History: Sullivan County, Tennessee

393 episodes, 520 events since 1957

Every storm the National Weather Service has filed in Sullivan County, Tennessee: 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
520
Deaths
2
Injuries
22
Damage
$7.9 million
Episodes
393

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 Sullivan 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
Thunderstorm Wind18116$4.5 million
Hail11902$182,000
Flash Flood6201$199,000
Tornado51012$2.9 million
Heavy Snow5010
Winter Storm2300
Flood1300$3,000
Ice Storm600$20,000
Lightning400$50,000
High Wind400$35,000
Strong Wind201$31,000
Blizzard200
Drought100
Excessive Heat100
Winter Weather100

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 Sullivan County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Sullivan CountyEvery warning in Sullivan County since 1986Every county in Tennessee

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.