Alert archive / South Carolina / 2021
Weather alerts in South Carolina, April 2021
91 weather alerts in April 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in April 2021. Tap one for its archive.
- Alerts
- 91
- Warnings
- 37
- Watches
- 7
- Advisories
- 25
- Busiest day
- April 1, 202116 alerts
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 8:09 PM EDT | Special Weather Statement | ILM | Florence | 36 min |
| Mar 31, 8:23 PM EDT | Areal Flood Advisory | CHS | Charleston | 112 min |
| Mar 31, 8:23 PM EDT | Special Marine Warning | CHS | 112 min | |
| Mar 31, 8:31 PM EDT | Severe Thunderstorm Warning | CHS | Beaufort, Charleston, Colleton | 59 min |
| Mar 31, 8:45 PM EDT | Special Marine Warning | CHS | 90 min | |
| Mar 31, 8:48 PM EDT | Special Weather Statement | CHS | Charleston | 27 min |
| Mar 31, 9:08 PM EDT | Special Weather Statement | ILM | Georgetown, Williamsburg | 52 min |
| Mar 31, 9:13 PM EDT | Special Weather Statement | CHS | Charleston | 32 min |
| Mar 31, 9:23 PM EDT | Special Marine Warning | CHS | 97 min | |
| Mar 31, 10:13 PM EDT | Special Marine Warning | CHS | 40 min | |
| Apr 1, 3:02 AM EDT | Freeze Warning | CAE | Aiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 12 more | 30 hr |
| Apr 1, 3:27 AM EDT | Freeze Warning | GSP | Abbeville, Anderson, Cherokee, Chester, Greenwood, Laurens and 2 more | 30 hr |
| Apr 1, 7:35 AM EDT | Lake Wind Advisory | CHS | Berkeley | 6 hr |
| Apr 1, 11:15 AM EDT | River Flood Warning | CHS | Hampton, Jasper | 21 days |
| Apr 1, 2:45 PM EDT | Freeze Warning | ILM | Darlington, Dillon, Florence, Horry, Marion, Marlboro and 1 more | 17 hr |
| Apr 1, 3:08 PM EDT | Freeze Warning | CHS | Allendale, Berkeley, Colleton, Dorchester, Hampton | 17 hr |
| Apr 1, 10:04 PM EDT | Lake Wind Advisory | CHS | Berkeley | 14 hr |
| Apr 2, 8:21 AM EDT | Freeze Watch | ILM | Georgetown | 6 hr |
| Apr 2, 8:21 AM EDT | Freeze Warning | ILM | Darlington, Dillon, Florence, Georgetown, Horry, Marion and 2 more | 25 hr |
| Apr 2, 8:28 AM EDT | Freeze Watch | CHS | 6 hr | |
| Apr 2, 8:28 AM EDT | Freeze Warning | CHS | Allendale, Berkeley, Colleton, Dorchester, Hampton | 25 hr |
| Apr 2, 9:00 AM EDT | River Flood Warning | CAE | Calhoun, Richland | 41 hr |
| Apr 2, 9:00 AM EDT | River Flood Warning | CAE | Calhoun, Lexington, Richland | 30 hr |
| Apr 2, 9:03 AM EDT | Freeze Warning | GSP | Abbeville, Anderson, Cherokee, Chester, Greenwood, Laurens and 2 more | 24 hr |
| Apr 2, 9:05 AM EDT | Freeze Warning | CAE | Aiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 12 more | 24 hr |
| Apr 2, 9:26 AM EDT | River Flood Advisory | CAE | Lexington, Richland | 5 hr |
| Apr 2, 9:43 AM EDT | River Flood Warning | CHS | Allendale | 7 days |
| Apr 3, 9:08 AM EDT | Frost Advisory | GSP | Abbeville, Anderson, Cherokee, Chester, Greenwood, Laurens and 2 more | 24 hr |
| Apr 3, 2:36 PM EDT | Frost Advisory | CAE | Aiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 12 more | 17 hr |
| Apr 3, 3:01 PM EDT | Frost Advisory | CHS | Allendale, Berkeley, Colleton, Dorchester, Hampton | 17 hr |
| Apr 8, 9:50 PM EDT | Severe Thunderstorm Warning | GSP | Oconee | 25 min |
| Apr 8, 10:12 PM EDT | Special Weather Statement | GSP | Oconee | 33 min |
| Apr 8, 10:14 PM EDT | Severe Thunderstorm Warning | GSP | Anderson, Oconee | 46 min |
| Apr 8, 10:30 PM EDT | Severe Thunderstorm Warning | GSP | Anderson, Oconee, Pickens | 45 min |
| Apr 8, 11:02 PM EDT | Special Weather Statement | GSP | Anderson | 43 min |
| Apr 8, 11:26 PM EDT | Severe Thunderstorm Warning | GSP | Abbeville, Anderson | 34 min |
| Apr 8, 11:36 PM EDT | Special Weather Statement | GSP | Anderson | 24 min |
| Apr 8, 11:58 PM EDT | Special Weather Statement | GSP | Anderson | 32 min |
| Apr 9, 12:01 AM EDT | Severe Thunderstorm Warning | GSP | Abbeville, Anderson, Greenwood, Laurens | 44 min |
| Apr 9, 12:05 AM EDT | Special Weather Statement | GSP | Laurens | 25 min |
| Apr 9, 12:47 AM EDT | Special Weather Statement | GSP | Greenwood | 28 min |
| Apr 9, 12:58 AM EDT | Special Weather Statement | GSP | Greenville | 32 min |
| Apr 9, 1:02 AM EDT | Special Weather Statement | GSP | Laurens | 28 min |
| Apr 9, 1:16 AM EDT | Special Weather Statement | GSP | Laurens | 44 min |
| Apr 9, 6:45 PM EDT | Special Weather Statement | CAE | Richland | 30 min |
| Apr 9, 7:30 PM EDT | Special Weather Statement | CAE | Kershaw, Richland | 30 min |
| Apr 10, 3:32 AM EDT | Small Craft Advisory | CHS | 21 hr | |
| Apr 10, 5:35 PM EDT | Mesoscale Discussion | SPC | Abbeville, Cherokee, Chester, Chesterfield, Fairfield, Greenville and 11 more | 115 min |
| Apr 10, 6:37 PM EDT | Tornado Warning | GSP | Spartanburg | 23 min |
| Apr 10, 6:58 PM EDT | Tornado Warning | GSP | Spartanburg | 32 min |
| Apr 10, 8:02 PM EDT | Beach Hazards Statement | ILM | Georgetown | 24 hr |
| Apr 11, 7:52 AM EDT | Special Marine Warning | CHS | 56 min | |
| Apr 14, 3:06 PM EDT | Small Craft Advisory | CHS | 16 hr | |
| Apr 15, 8:56 PM EDT | Small Craft Advisory | CHS | 15 hr | |
| Apr 20, 3:28 AM EDT | Freeze Watch | GSP | 24 hr | |
| Apr 20, 1:30 PM EDT | Fire Weather Watch | GSP | Abbeville, Anderson, Cherokee, Chester, Greenwood, Laurens and 2 more | 14 hr |
| Apr 20, 2:02 PM EDT | Fire Weather Watch | CAE | Aiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 12 more | 12 hr |
| Apr 20, 3:19 PM EDT | Fire Weather Watch | CHS | Allendale, Berkeley, Colleton, Dorchester, Hampton | 10 hr |
| Apr 20, 3:42 PM EDT | Fire Weather Watch | ILM | Darlington, Dillon, Florence, Marion, Marlboro, Williamsburg | 12 hr |
| Apr 20, 8:05 PM EDT | Beach Hazards Statement | ILM | Georgetown, Horry | 24 hr |
| Apr 21, 1:17 AM EDT | Lake Wind Advisory | CAE | Aiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 12 more | 31 hr |
| Apr 21, 1:37 AM EDT | Red Flag Warning | CAE | Aiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 12 more | 18 hr |
| Apr 21, 1:44 AM EDT | Red Flag Warning | CHS | Allendale, Berkeley, Colleton, Dorchester, Hampton | 18 hr |
| Apr 21, 2:23 AM EDT | Lake Wind Advisory | CHS | Berkeley | 29 hr |
| Apr 21, 2:38 AM EDT | Small Craft Advisory | CHS | 31 hr | |
| Apr 21, 3:17 AM EDT | Red Flag Warning | ILM | Darlington, Dillon, Florence, Georgetown, Horry, Marion and 2 more | 16 hr |
| Apr 21, 3:40 AM EDT | Freeze Warning | GSP | 29 hr | |
| Apr 21, 3:45 AM EDT | Red Flag Warning | GSP | Abbeville, Anderson, Cherokee, Chester, Greenwood, Laurens and 2 more | 16 hr |
| Apr 21, 2:25 PM EDT | Frost Advisory | CAE | Chesterfield, Edgefield, Fairfield, Kershaw, Lancaster, McCormick and 2 more | 18 hr |
| Apr 21, 2:44 PM EDT | Frost Advisory | GSP | Abbeville, Anderson, Cherokee, Chester, Greenwood, Laurens and 2 more | 17 hr |
| Apr 22, 3:35 AM EDT | Frost Advisory | GSP | Abbeville, Anderson, Cherokee, Chester, Greenwood, Laurens and 2 more | 29 hr |
| Apr 22, 2:19 PM EDT | Frost Advisory | CAE | Aiken, Chesterfield, Edgefield, Fairfield, Kershaw, Lancaster and 7 more | 18 hr |
| Apr 22, 7:39 PM EDT | Frost Advisory | ILM | Darlington, Dillon, Marlboro | 13 hr |
| Apr 23, 3:24 PM EDT | Small Craft Advisory | CHS | 44 hr | |
| Apr 23, 8:02 PM EDT | Rip Current Statement | ILM | Horry | 24 hr |
| Apr 24, 1:32 PM EDT | Special Marine Warning | CHS | 118 min | |
| Apr 24, 1:52 PM EDT | Special Weather Statement | CAE | Aiken | 23 min |
| Apr 24, 3:29 PM EDT | Special Marine Warning | CHS | 30 min | |
| Apr 24, 8:34 PM EDT | Special Marine Warning | CHS | 56 min | |
| Apr 24, 9:57 PM EDT | Special Marine Warning | CHS | 2 hr | |
| Apr 24, 10:00 PM EDT | Areal Flood Advisory | CHS | Jasper | 2 hr |
| Apr 24, 10:29 PM EDT | Special Weather Statement | CAE | Edgefield, McCormick | 61 min |
| Apr 24, 11:50 PM EDT | Special Marine Warning | CHS | 115 min | |
| Apr 25, 1:38 AM EDT | Special Marine Warning | CHS | 97 min | |
| Apr 26, 3:18 PM EDT | Coastal Flood Advisory | CHS | 7 hr | |
| Apr 27, 2:57 PM EDT | Coastal Flood Advisory | CHS | 8 hr | |
| Apr 28, 3:05 PM EDT | Coastal Flood Advisory | CHS | 9 hr | |
| Apr 28, 7:36 PM EDT | Beach Hazards Statement | ILM | Georgetown, Horry | 24 hr |
| Apr 29, 6:12 PM EDT | Coastal Flood Advisory | CHS | 7 hr | |
| Apr 29, 6:39 PM EDT | Small Craft Advisory | CHS | 9 hr | |
| Apr 30, 3:27 AM EDT | Red Flag Warning | ILM | Darlington, Dillon, Florence, Marion, Marlboro | 16 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 6 |
| Tornado Warning | 2 |
| Mesoscale Discussion | 1 |
| Special Weather Statement | 17 |
| Flooding | |
| River Flood Warning | 4 |
| Areal Flood Advisory | 2 |
| River Flood Advisory | 1 |
| Cold | |
| Freeze Warning | 9 |
| Freeze Watch | 3 |
| Frost Advisory | 8 |
| Wind and dust | |
| Lake Wind Advisory | 4 |
| Fire | |
| Red Flag Warning | 5 |
| Fire Weather Watch | 4 |
| Coast and beach | |
| Coastal Flood Advisory | 4 |
| Beach Hazards Statement | 3 |
| Rip Current Statement | 1 |
| Marine | |
| Special Marine Warning | 11 |
| Small Craft Advisory | 6 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Anderson County14
- Richland County13
- Laurens County12
- Kershaw County10
- Lexington County10
- Abbeville County10
- Greenwood County10
- Chesterfield County9
- Edgefield County9
- Fairfield County9
- Lancaster County9
- McCormick County9
- Newberry County9
- Saluda County9
- Aiken County8
- Calhoun County8
- Cherokee County8
- Chester County8
- Union County8
- York County8
- Berkeley County8
- Georgetown County7
- Lee County7
- Sumter County7
- Florence County6
- Colleton County6
- Bamberg County6
- Barnwell County6
- Clarendon County6
- Orangeburg County6
- Hampton County6
- Darlington County6
- Dillon County6
- Horry County6
- Marlboro County6
- Allendale County6
- Williamsburg County5
- Marion County5
- Dorchester County5
- Charleston County4
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.