National Weather ServiceSouth CarolinaFlood AdvisoryArchive to October 1, 2026
Flood Advisories in South Carolina
The National Weather Service issued 267 flood advisories for South Carolina in 2025 and 277 a year on average in 2008-2025; in 2021-2025 it had the 14th most of any state. 2026 through September: 195, 22% below the average of 249 for those months in 2008-2025. Charleston was covered most often (814 times since 2008).
How many flood advisories does South Carolina get?
Every flood advisory that covered part of South Carolina. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 195 |
| 2025 | 267 |
| 2024 | 277 |
| 2023 | 216 |
| 2022 | 250 |
| 2021 | 252 |
| 2020 | 376 |
| 2019 | 208 |
| 2018 | 338 |
| 2017 | 258 |
| 2016 | 211 |
| 2015 | 363 |
| 2014 | 380 |
| 2013 | 547 |
| 2012 | 248 |
| 2011 | 143 |
| 2010 | 232 |
| 2009 | 244 |
| 2008 | 172 |
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?
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 zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Charleston | 814 | 145 | September 11, 2026 |
| Richland | 702 | 145 | September 22, 2026 |
| Berkeley | 626 | 104 | September 11, 2026 |
| Lexington | 607 | 129 | September 5, 2026 |
| Dorchester | 377 | 58 | September 11, 2026 |
| Greenville | 367 | 35 | August 11, 2026 |
| Colleton | 340 | 61 | September 22, 2026 |
| Aiken | 332 | 75 | September 19, 2026 |
| Horry | 330 | 69 | August 16, 2026 |
| Beaufort | 313 | 49 | September 11, 2026 |
| Jasper | 305 | 61 | September 11, 2026 |
| Orangeburg | 292 | 68 | August 21, 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.
What is a flood advisory?
A flood advisory covers flooding that is less serious than a warning, such as water on roads or in low-lying areas, that is still a hazard to drivers and walkers. An advisory is issued for a hazard less serious than a warning that can still cause inconvenience or danger if people are not careful. The national record · Every warning type in South Carolina.