Alert archive / South Carolina / Red Flag Warnings / 2021

Red Flag Warnings in South Carolina, April 2021

5 red flag warnings in April 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 red flag warnings reaches back to 2005.

Red Flag Warnings by county

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

Red Flag Warnings
5
Busiest day
April 21, 20214 red flag warnings

Over time

By day

Days in UTC, the clock the archive keeps.

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
Apr 21, 1:37 AM EDTRed Flag WarningCAEAiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 12 more18 hr
Apr 21, 1:44 AM EDTRed Flag WarningCHSAllendale, Berkeley, Colleton, Dorchester, Hampton18 hr
Apr 21, 3:17 AM EDTRed Flag WarningILMDarlington, Dillon, Florence, Georgetown, Horry, Marion and 2 more16 hr
Apr 21, 3:45 AM EDTRed Flag WarningGSPAbbeville, Anderson, Cherokee, Chester, Greenwood, Laurens and 2 more16 hr
Apr 30, 3:27 AM EDTRed Flag WarningILMDarlington, Dillon, Florence, Marion, Marlboro16 hr

By county

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

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.