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National Weather ServiceSouth CarolinaSevere Thunderstorm WarningArchive to October 1, 2026

Severe Thunderstorm Warnings in South Carolina

The National Weather Service issued 349 severe thunderstorm warnings for South Carolina in 2025 and 501 a year on average in 2008-2025; in 2021-2025 it had the 27th most of any state. 2026 through September: 451, 7% below the average of 487 for those months in 2008-2025. Greenville was covered most often (955 times since 2008).

How many severe thunderstorm warnings does South Carolina get?

349 severe thunderstorm warnings for South Carolina in 2025
2505007501k2008: 77820082009: 62720092010: 65220102011: 93420112012: 75220122013: 37820132014: 36520142015: 47620152016: 47020162017: 44820172018: 43820182019: 42220192020: 42020202021: 23120212022: 47620222023: 39920232024: 39920242025: 34920252026: 45120262008-2025 average 5012026 through September: 4512505007501k2008: 77820082009: 6272010: 65220102011: 9342012: 75220122013: 3782014: 36520142015: 4762016: 47020162017: 4482018: 43820182019: 4222020: 42020202021: 2312022: 47620222023: 3992024: 39920242025: 3492026: 45120262008-2025 average 5012026 through September: 4512505007501k2008: 77820082009: 6272010: 65220102011: 9342012: 75220122013: 3782014: 36520142015: 4762016: 47020162017: 4482018: 43820182019: 4222020: 42020202021: 2312022: 47620222023: 3992024: 39920242025: 3492026: 45120262008-2025 average 5012026 through September: 4512505007501k2008: 77820082009: 6272010: 6522011: 9342012: 7522013: 3782014: 3652015: 47620152016: 4702017: 4482018: 4382019: 4222020: 42020202021: 2312022: 4762023: 3992024: 3992025: 3492026: 45120262008-2025 average 5012026 through September: 451

Every severe thunderstorm warning that covered part of South Carolina. 2026 is an outline: the year is not over.

The numbers
YearCount
2026 (through September)451
2025349
2024399
2023399
2022476
2021231
2020420
2019422
2018438
2017448
2016470
2015476
2014365
2013378
2012752
2011934
2010652
2009627
2008778

Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.

When in the year does South Carolina get them?

South Carolina's severe thunderstorm warnings by month, 2008-2025
1k2k3kJan: 180JanFeb: 149FebMar: 424MarApr: 793AprMay: 1,264MayJun: 2,323JunJul: 2,151JulAug: 1,135AugSep: 338SepOct: 101OctNov: 73NovDec: 83Dec2,3231k2k3kJan: 180JanFeb: 149FebMar: 424MarApr: 793AprMay: 1,264MayJun: 2,323JunJul: 2,151JulAug: 1,135AugSep: 338SepOct: 101OctNov: 73NovDec: 83Dec2,3231k2k3kJan: 180JanFeb: 149FebMar: 424MarApr: 793AprMay: 1,264MayJun: 2,323JunJul: 2,151JulAug: 1,135AugSep: 338SepOct: 101OctNov: 73NovDec: 83Dec2,3231k2k3kJan: 180JFeb: 149FMar: 424MApr: 793AMay: 1,264MJun: 2,323JJul: 2,151JAug: 1,135ASep: 338SOct: 101ONov: 73NDec: 83D2,323

Sum of 2008-2025; the busiest month is labelled.

Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.

Where in South Carolina?

County or forecast zoneSince 2008Since 2023Last issued
Greenville955193September 21, 2026
Spartanburg873159September 20, 2026
Richland790163September 11, 2026
Colleton72088September 6, 2026
Jasper683104September 7, 2026
Lexington680143September 11, 2026
Anderson666142September 20, 2026
Orangeburg652122September 6, 2026
Aiken650142September 6, 2026
Pickens613126September 21, 2026
Berkeley58966September 6, 2026
Charleston57967September 6, 2026

The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.

Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.

The latest severe thunderstorm warnings for South Carolina in AreaZine's record

This list is AreaZine's record of the NWS alert feed, kept since April 6, 2026; the counts above come from the complete IEM archive.

Source: National Weather Service alerts (api.weather.gov).

What is a severe thunderstorm warning?

A severe thunderstorm warning means a storm is producing, or is about to produce, hail one inch across or larger and/or winds of 58 mph or more. A warning means the hazard is happening, about to happen, or very likely: act now to protect people and property. The national record · Every warning type in South Carolina.