Calhoun County, South Carolina severe weather history spans 327 recorded events between 1957 and 2025. The dominant hazard is thunderstorm wind, accounting for 62.4% of all recorded events. It ranks #1,625 nationally and #33 in South Carolina.
327
Recorded events
1
Direct deaths
9
Direct injuries
$8.2M
Property damage
The record
What the Calhoun County, South Carolina severe weather history record shows
Across the archive, Calhoun County, South Carolina severe weather history averages 4.8 recorded events a year. The busiest stretch on record is the 2010s, with 101 events logged in that decade alone. Roughly 28 events fall before 1990 and 299 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.
The deadliest hazard in the Calhoun County, South Carolina record is tornado, responsible for 1 direct deaths. The costliest is flash flood, with $5.5M in reported property damage. In total, 7 distinct hazard types appear in this county archive, each listed with its own dated record below.
By hazard type
Every hazard type recorded in Calhoun County
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Thunderstorm Wind | 204 | 0 | $721K | 80 | 1957–2025 |
| Hail | 83 | 0 | $710 | 2 | 1974–2024 |
| Tornado | 28 | 1 | $1.9M | F2 | 1958–2024 |
| Flash Flood | 8 | 0 | $5.5M | 0 | 2001–2024 |
| Flood | 2 | 0 | $2K | 0 | 2013–2016 |
| Lightning | 1 | 0 | $0 | 0 | 2003–2003 |
| Heavy Rain | 1 | 0 | $0 | 0 | 2018–2018 |
Decade by decade
Calhoun County, South Carolina severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
Tornado tracks
Paths crossing this county
29 mapped tornado paths intersect this county: 20 touched down inside it and 9 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.
| Date | Scale | Deaths | Injuries | Path length | Origin |
|---|---|---|---|---|---|
| 2020-04-13 | EF3 | 2 | 7 | 35.7 mi | Crossed in |
| 1997-07-23 | EF2 | 1 | 6 | 3.5 mi | Crossed in |
| 1958-04-22 | EF2 | 1 | 1 | 17.7 mi | Touched down here |
| 2020-04-13 | EF2 | 0 | 0 | 10.2 mi | Crossed in |
| 2017-04-03 | EF2 | 0 | 0 | 6.7 mi | Touched down here |
| 2008-03-15 | EF2 | 0 | 0 | 24.4 mi | Touched down here |
| 2004-12-10 | EF2 | 0 | 1 | 0.5 mi | Touched down here |
| 1995-11-02 | EF2 | 0 | 0 | 1.0 mi | Touched down here |
| 1995-11-07 | EF2 | 0 | 0 | 1.5 mi | Touched down here |
| 2024-09-26 | EF1 | 0 | 0 | 13.7 mi | Touched down here |
Significant events
Deadliest events on record in Calhoun County
| Date | Type | Location | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Oct 22, 1990 | Tornado | 1 | 4 | $250K | |
| Apr 19, 2015 | Tornado | HAMMOND XRDS | 0 | 2 | $200K |
| Dec 10, 2004 | Tornado | ST MATTHEWS | 0 | 1 | $0 |
| Jul 4, 2003 | Lightning | ST MATTHEWS | 0 | 1 | $0 |
| Mar 21, 1974 | Tornado | 0 | 1 | $250K |
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Storm survey found an EF1 touched down just southwest of Lone Star and continued northeast across Lake Marion into rural Sumter county. The most significant damage occurred near Lone Star along McCords Ferry road just south of Tinah road. At that location several homes lost portions of their roofs and numerous trees and powerlines were down. The tornado moved northeast across Broomstraw road where several outbuildings lost roofs or were destroyed.
NWS Storm Survey confirmed a HAM radio report of a tornado touchdown southwest of Ft. Motte. An EF1 tornado with winds of near 100mph took down numerous trees and powerlines, damaged a farm, and rolled over a large section of a field irrigation system. Nickel size hail was also reported.
NWS storm survey found an EF1 tornado destroyed a mobile home on Otts Sisters Road injuring two people, damaged another, and also did minor damage to industrial facility. Numerous trees were also down along the path of the tornado.
Context
Risk, population and federal disasters
Very Low
FEMA NRI risk rating
14,182
Population (ACS)
$172K
Median home value
30
Federal declarations
| Declared | Incident | Title | Type |
|---|---|---|---|
| Jan 23, 2026 | Winter Storm | SEVERE WINTER STORM | EM |
| Jan 10, 2025 | Flood | SEVERE STORMS AND FLOODING | DR |
| Sep 29, 2024 | Hurricane | HURRICANE HELENE | DR |
| Sep 26, 2024 | Tropical Storm | HURRICANE HELENE | EM |
| Aug 5, 2024 | Tropical Storm | HURRICANE DEBBY | EM |
| Aug 31, 2023 | Hurricane | HURRICANE IDALIA | EM |
Within the county
Most affected places
- Hammond Xrds 100
Quick answers
Frequently asked
How many severe weather events have been recorded in Calhoun County, South Carolina?
327 events are on record between 1957 and 2025, causing 1 direct deaths and $8.2M in property damage.
What is the most common severe weather hazard in Calhoun County?
Thunderstorm Wind, with 204 recorded events — 62.4% of everything in the archive for this county.
How many tornadoes have crossed Calhoun County?
29 mapped tornado paths intersect the county boundary; 20 of them touched down inside it. This is derived from path geometry, not county-tagged reports.
How many federal disaster declarations cover Calhoun County?
30 federal disaster declarations from FEMA include Calhoun County, each tied to a specific incident period.
How risky is Calhoun County compared with the rest of the country?
FEMA's National Risk Index rates Calhoun County as very low risk, placing it in the 23 percentile of its state for expected annual loss.
Where does the Calhoun County, South Carolina severe weather history data come from?
Every figure is drawn from United States federal public-domain records: NOAA/NCEI Storm Events for the event archive, NOAA SPC SVRGIS for mapped tornado paths, FEMA for disaster declarations and risk ratings, and the U.S. Census for population context. Dates are shown in UTC and recent entries may still be revised by NOAA.
Nearby
Neighbouring counties
- Berkeley County 959
- Charleston County 1,351
- Beaufort County 856
- Cherokee County 417
- Barnwell County 309
- Chester County 321
Cite this page
“Calhoun County, South Carolina.” Severe Weather History. severeweatherhistory.com/county/south-carolina/calhoun-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.