Severe Weather History


County archive · 1950 — present

Clarendon County, South Carolina

Clarendon County, South Carolina severe weather history spans 474 recorded events between 1958 and 2026. The dominant hazard is thunderstorm wind, accounting for 61.8% of all recorded events. It ranks #967 nationally and #25 in South Carolina.

474

Recorded events

5

Direct deaths

27

Direct injuries

$15.9M

Property damage

The record

What the Clarendon County, South Carolina severe weather history record shows

Across the archive, Clarendon County, South Carolina severe weather history averages 7.0 recorded events a year. The busiest stretch on record is the 2010s, with 143 events logged in that decade alone. Roughly 52 events fall before 1990 and 422 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.

The deadliest hazard in the Clarendon County, South Carolina record is tornado, responsible for 2 direct deaths. The costliest is flash flood, with $11.4M in reported property damage. In total, 6 distinct hazard types appear in this county archive, each listed with its own dated record below.

Clarendon County, South Carolina severe weather history: recorded events per decade since 1950
Clarendon County, South Carolina severe weather history: recorded events per decade since 1950

By hazard type

Every hazard type recorded in Clarendon County

HazardEventsDeathsDamageMaxSpan
Thunderstorm Wind2931$865K851963–2026
Hail1160$176K4.251974–2025
Tornado382$3.4MF21958–2025
Flash Flood190$11.4M71999–2024
Heavy Rain50$2K02010–2017
Lightning32$60K01997–2000
Source: NOAA/NCEI Storm Events · dates UTC · preliminary data may revise

Decade by decade

Clarendon County, South Carolina severe weather history by decade

11950s
41960s
101970s
371980s
721990s
1352000s
1432010s
722020s

Reporting practice changed over time — early decades are undercounted, not calmer.

Tornado tracks

Paths crossing this county

39 mapped tornado paths intersect this county: 36 touched down inside it and 3 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.

DateScaleDeathsInjuriesPath lengthOrigin
1988-08-28EF2110.8 miTouched down here
1958-04-22EF21117.7 miCrossed in
2022-04-05EF2002.8 miTouched down here
2019-04-19EF2002.9 miTouched down here
1978-05-04EF20141.2 miCrossed in
2025-05-30EF10010.0 miTouched down here
2023-08-30EF1000.7 miTouched down here
2020-12-24EF1000.3 miTouched down here
2011-04-16EF1008.9 miTouched down here
2009-03-28EF1004.0 miTouched down here
Source: NOAA SPC SVRGIS tornado tracks · path geometry intersected with county boundaries

Significant events

Deadliest events on record in Clarendon County

DateTypeLocationDeathsInjuriesDamage
Aug 28, 1988Tornado11$2.5M
Apr 22, 1958Tornado11$25K
Jun 18, 2000LightningMANNING10$0
Jun 17, 2000LightningSUMMERTON10$0
Mar 29, 1984Thunderstorm Wind10$0
Jan 14, 2006TornadoMANNING018$500K
Sep 27, 2004TornadoALCOLU04$0
Apr 23, 1997TornadoTURBEVILLE02$0
Source: NOAA/NCEI Storm Events · dates UTC

From the record

What the reports say

Written by National Weather Service staff at the time of the event · public domain

Context

Risk, population and federal disasters

Relatively Low

FEMA NRI risk rating

30,986

Population (ACS)

$158K

Median home value

26

Federal declarations

DeclaredIncidentTitleType
Jan 23, 2026Winter StormSEVERE WINTER STORMEM
Sep 26, 2024Tropical StormHURRICANE HELENEEM
Aug 5, 2024Tropical StormHURRICANE DEBBYEM
Aug 31, 2023HurricaneHURRICANE IDALIAEM
Nov 21, 2022HurricaneHURRICANE IANDR
Sep 29, 2022HurricaneHURRICANE IANEM
Source: FEMA OpenFEMA disaster declarations · most recent first

Within the county

Most affected places

  • Manning 125

Quick answers

Frequently asked

How many severe weather events have been recorded in Clarendon County, South Carolina?

474 events are on record between 1958 and 2026, causing 5 direct deaths and $15.9M in property damage.

What is the most common severe weather hazard in Clarendon County?

Thunderstorm Wind, with 293 recorded events — 61.8% of everything in the archive for this county.

How many tornadoes have crossed Clarendon County?

39 mapped tornado paths intersect the county boundary; 36 of them touched down inside it. This is derived from path geometry, not county-tagged reports.

How many federal disaster declarations cover Clarendon County?

26 federal disaster declarations from FEMA include Clarendon County, each tied to a specific incident period.

How risky is Clarendon County compared with the rest of the country?

FEMA's National Risk Index rates Clarendon County as relatively low risk, placing it in the 76 percentile of its state for expected annual loss.

Where does the Clarendon 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

All counties in this state →

Cite this page

“Clarendon County, South Carolina.” Severe Weather History. severeweatherhistory.com/county/south-carolina/clarendon-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


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