Clarendon County

Every recorded tornado

1. Injuries and deaths are for the tornado’s whole path, which may extend beyond the county. Deaths recorded within Clarendon County: 2.
2. Weak tornadoes were under-recorded before Doppler radar coverage became national in the early 1990s, so earlier decades read low. Ratings use the Fujita scale before February 2007 and the Enhanced Fujita scale after.

Storm Prediction Center severe weather database, 1950 to 2025.

Every storm within 100 miles

1. Tropical storms and hurricanes (34 kt or more, still tropical) at closest approach. Post-tropical remnants with gale-force winds are listed but not counted. Direct: track within 50 miles; near: within 100 miles. Distance is measured to the county boundary for counties and to the city centre for cities, using positions interpolated hourly between HURDAT2 fixes.

National Hurricane Center HURDAT2, 1851 to 2025.

Every large fire

1. Large fires mapped by the Monitoring Trends in Burn Severity program since 1984: 1,000 acres or more in the West, 500 or more in the East. Prescribed burns are excluded. Acres here are the part of each perimeter inside this place.

Monitoring Trends in Burn Severity (USGS and U.S. Forest Service), 1984 to 2026.

Smoke overhead

1. A smoke day is a date on which a smoke plume traced by NOAA Hazard Mapping System analysts from satellite imagery covered this place's point (the county's population centre or the city centre). Counts here are of medium or heavy smoke. Since 2018 analysts have often drawn light smoke as one area over most of the continent, so light-smoke counts are not comparable from year to year. The plumes show smoke anywhere in the air above, not air quality at the ground, and smoke hidden by cloud is missed.

NOAA Hazard Mapping System smoke analysis, 2011 to 2026, retrieved October 30, 2026.

Claims by ZIP code

This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

OpenFEMA NFIP Redacted Claims v3, refreshed August 4, 2026. NOAA Storm Events through 2026.

1. The Palmer Drought Severity Index is computed by NOAA each month from the county's average temperature and precipitation, relative to the county's own climate. Zero is normal; -3 or lower is severe drought and -4 or lower extreme drought. It describes the long-term balance of moisture, not water supply or crop losses.

NOAA NCEI nClimDiv county Palmer Drought Severity Index, 1895 to September 2026, issued October 6, 2026.

Every earthquake of magnitude 4 or more within 50 miles

1. Earthquakes of magnitude 2.5 or more in the USGS Comprehensive Catalog since 1900. Within 50 miles means the epicentre lies within 50 miles of the county boundary (or inside the county).
2. Small earthquakes were under-recorded before the modern seismic networks of the 1970s and are still missed in remote areas, so early decades read low. Magnitudes are as the catalogue reports them and mix scales (moment, local and body-wave).

USGS ANSS Comprehensive Earthquake Catalog, 1900 to present, retrieved October 30, 2026.

More event types since 1996

Costliest events since 1996

1. Oct 4, 2015Flash Flood$8.0 million
   National Weather Service narrative

   Several streets flooded in town. Meadowfield Apartments in Summerton also experiencing flooding.

2. Oct 10, 2015Flash Flood$1.0 million
   National Weather Service narrative

   Clarendon County dispatch and SC Highway Patrol reported roadway flooding in numerous area including HWY 261 at Sandy Ridge Rd. between Paxville and Manning and also Gibbons St in Manning.

3. Oct 4, 2015Flash Flood$800,000
   National Weather Service narrative

   SC Highway Patrol reports I-95 closed at mile marker 124 due to flooding.

4. Oct 10, 2015Flash Flood$500,000
   National Weather Service narrative

   Clarendon County dispatch reported I-95 has been closed again both northbound and southbound between mile markers 98 and 135 due to flooding.

5. Jan 13, 2006Tornado$500,000
   National Weather Service narrative

   A strong F1 tornado touched down just west of Manning and continued NNE to Alcolu. Six mobile homes were completely destroyed, 9 had moderate damage, 16 had minor damage, 2 framed homes had minor damage and many trees and powerlines were down. There were 18 injuries, 9 of which were sent to the hospital,4 of which were kept for a few days and released.

6. Oct 10, 2015Flash Flood$500,000
   National Weather Service narrative

   Clarendon County dispatch reports that several roads that had flooded in the previous rain event and reopened had to be closed again this evening due to recent rain and runoff in the Manning and Alcolu areas.

7. Oct 7, 2016High Wind, Clarendon$500,000
   National Weather Service narrative

   Multiple reports of trees and power lines down throughout the county which closed roadways especially in the Manning and Paxville communities.

8. Oct 11, 2002Flash Flood$335,000
   National Weather Service narrative

   Tropical Storm Kyle produced 4 to 10 inches of rain over easter Clarendon county closing roads in low lying areas. The most serious damage occurred in Chitwood Mobile Home Park just outside of Manning where 17 mobile homes were heavily damaged by high water, forcing about 50 persons to move to shelters.

9. Sep 15, 1999Thunderstorm Wind$237,000
   National Weather Service narrative

   EPD reported scattered trees and powerlines down. One house and 3 mobile homes destroyed. Two homes had minor damage and 1 home had major damage.

10. Sep 27, 2024Tropical Storm, Clarendon$200,000
    National Weather Service narrative

    Many trees and power lines down. Some roads closed. Sections of the county without power. A few structures damaged by falling trees. Maximum wind gust measured at Manning Regional Airport (KMNI) was 40 knots (46 mph). Some minor flooding in spots as a CoCoRaHS gage near I-95 and Lake Marion measured 2.27 inches of rain.

1. Storm Events records before 1996 cover only tornadoes, thunderstorm wind and hail. Damage figures are as reported by the National Weather Service at the time, not adjusted for inflation.

NOAA NCEI Storm Events Database, 1950 to 2026, issued October 26, 2026.

All-time high

109°FAug 8, 2006

All-time low

0°F2 times, most recently Jan 22, 1985

Warmest night

79°F3 times, most recently Aug 7, 2000

Coldest day

23°F2 times, most recently Jan 13, 1981

Wettest day

12.00 inOct 8, 2016

Snowiest day

14.0 inFeb 11, 1973

Hottest year

1990mean 66.9°F

Coldest year

1988mean 60.8°F

Wettest year

202068.09 in

Driest year

200734.60 in

Snowiest season

21.0 in1972-73

Station Manning (USC00385493), 85 ft elevation, 1.0 miles from the population centre. Daily records from 1972 to October 23, 2026; 94.0% of days in the last 30 years are complete. Records at a single station can differ from a city’s official threaded record, which may combine several stations.

NOAA NCEI Global Historical Climatology Network Daily.

This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

OpenFEMA Disaster Declarations Summaries, retrieved October 30, 2026. Statewide declarations are not listed.

Neighbouring counties

• Tornadoes NOAA Storm Prediction Center severe weather database, through 2025.
• Tropical cyclones NOAA National Hurricane Center HURDAT2 (Atlantic; Northeast and Central Pacific), through 2025.
• Wildfire USGS/USFS Monitoring Trends in Burn Severity, through 2026.
• Storm events NOAA NCEI Storm Events Database, through 2026.
• Flood insurance OpenFEMA NFIP Redacted Claims v3, refreshed August 4, 2026.
• Declarations OpenFEMA Disaster Declarations Summaries v2, retrieved October 30, 2026.
• Weather records NOAA NCEI Global Historical Climatology Network Daily, station USC00385493.
• River crests NOAA National Weather Service, National Water Prediction Service river gauges, retrieved October 30, 2026.
• Drought NOAA NCEI nClimDiv county Palmer Drought Severity Index, through September 2026.
• Smoke NOAA NESDIS Hazard Mapping System smoke analysis, retrieved October 30, 2026.
• Earthquakes USGS ANSS Comprehensive Earthquake Catalog (ComCat), retrieved October 30, 2026.

Joins, thresholds and known limits are set out in the methodology. Found an error? Report it. Page built October 30, 2026.