Alert archive / South Carolina / Flash Flood Watches

Flash Flood Watches in South Carolina, 2021

23 flash flood watches in 2021. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flash flood watches reaches back to 2005.

Flash Flood Watches by county

Each county as a circle sized by its count in 2021. Tap one for its archive.

Flash Flood Watches
23
Busiest month
August6 flash flood watches
Busiest day
June 20, 20213 flash flood watches

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Jan 1, 3:35 PM ESTFlash Flood WatchCAEAiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 11 more34 hr
Jan 2, 12:30 PM ESTFlash Flood WatchCHSAllendale, Hampton12 hr
Feb 17, 2:01 PM ESTFlash Flood WatchCAEAiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 11 more41 hr
Feb 18, 3:16 AM ESTFlash Flood WatchILMDarlington, Dillon, Florence, Georgetown, Horry, Marion and 2 more28 hr
Feb 18, 7:15 AM ESTFlash Flood WatchCHSAllendale, Berkeley, Colleton, Dorchester, Hampton20 hr
Mar 30, 3:19 PM EDTFlash Flood WatchGSP24 hr
Jun 19, 3:03 PM EDTFlash Flood WatchGSPAbbeville, Anderson, Greenwood, Laurens23 hr
Jun 20, 2:03 AM EDTFlash Flood WatchCAEAiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 12 more17 hr
Jun 20, 2:58 AM EDTFlash Flood WatchCHSAllendale, Berkeley, Colleton, Dorchester, Hampton24 hr
Jun 20, 3:35 AM EDTFlash Flood WatchILMDarlington, Dillon, Florence, Georgetown, Horry, Marion and 2 more19 hr
Jul 19, 11:55 AM EDTFlash Flood WatchILMHorry10 hr
Jul 19, 8:26 PM EDTFlash Flood WatchGSPAnderson18 hr
Aug 3, 3:02 AM EDTFlash Flood WatchCHSBerkeley, Colleton, Dorchester, Hampton19 hr
Aug 3, 3:20 AM EDTFlash Flood WatchILMFlorence, Georgetown, Horry, Marion, Williamsburg4 min
Aug 3, 3:30 AM EDTFlash Flood WatchILMGeorgetown, Horry, Williamsburg24 hr
Aug 16, 2:20 PM EDTFlash Flood WatchGSPAbbeville, Anderson, Greenwood, Laurens40 hr
Aug 22, 3:07 PM EDTFlash Flood WatchCHSBerkeley, Colleton, Dorchester5 hr
Aug 30, 3:09 PM EDTFlash Flood WatchGSP39 hr
Sep 20, 3:16 AM EDTFlash Flood WatchCHSBerkeley, Colleton, Dorchester, Hampton36 hr
Sep 20, 3:01 PM EDTFlash Flood WatchGSP20 hr
Sep 21, 3:12 AM EDTFlash Flood WatchILMFlorence, Georgetown, Horry, Marion, Williamsburg39 hr
Oct 5, 2:45 PM EDTFlash Flood WatchGSPAbbeville, Anderson, Greenwood69 hr
Oct 8, 5:41 AM EDTFlash Flood WatchCAEAiken, Edgefield, McCormick6 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 20, 20213flash flood watches
  2. August 3, 20213flash flood watches
  3. February 18, 20212flash flood watches
  4. September 20, 20212flash flood watches
  5. January 1, 20211flash flood watches
  6. January 2, 20211flash flood watches
  7. February 17, 20211flash flood watches
  8. March 30, 20211flash flood watches
  9. June 19, 20211flash flood watches
  10. July 19, 20211flash flood watches
  11. July 20, 20211flash flood watches
  12. August 16, 20211flash flood watches

Nearby

Alerts in force nowTornadoes on recordThe radar archive20202022

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.