South Carolina

Storm History: Sumter County, South Carolina

395 episodes, 703 events since 1956

Every storm the National Weather Service has filed in Sumter County, South Carolina: 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
703
Deaths
3
Injuries
20
Damage
$11 million
Episodes
395

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 Sumter 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
Hail310010$2.3 million
Thunderstorm Wind15300$1.3 million
Tornado10729$5.9 million
Flash Flood7200$1.8 million
Tropical Storm1300
Ice Storm1100
Heavy Snow1100
Winter Storm801
Flood800$14,000
Strong Wind500$15,000
High Wind300$15,000
Excessive Heat210

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 Sumter County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Sumter CountyEvery warning in Sumter County since 1986Every county in South Carolina

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.