Alert archive / South Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 13, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Mar 31, 2021, 5:39 PM EDT for 4 counties in South Carolina. It was in force for 51 min. 4 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 31, 2021, 5:39 PM EDT (21:39 UTC)
- Expired
- Mar 31, 2021, 6:30 PM EDT
- In force
- 51 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Aiken County, SC, Edgefield County, SC, Lexington County, SC, Saluda County, SC
The radar
The Columbia radar (KCAE), 46 km from the middle of the area, began a volume at 21:41 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 31, 5:43 PM EDT | HAIL 1.75 | 8 S Ridge Spring, SC | FACEBOOK POST SHOWED HAIL UP TO GOLF BALL SIZED, AND INDICATED THE LOCATION WAS OFF OF EXIT 22 ALONG I20. THIS LOCATION WAS DETERMINED BY THAT AND RADAR DATA. |
| Mar 31, 5:46 PM EDT | HAIL 0.75 | 9 Sse Monetta, SC | SPOTTER REPORTED HAIL RANGING IN SIZE FROM 1/4 INCH TO 3/4 INCH. TIME ESTIMATED FROM RADAR. |
| Mar 31, 5:58 PM EDT | HAIL 0.25 | 12 W Wagener, SC | |
| Mar 31, 6:00 PM EDT | HAIL 0.25 | 8 Wnw Wagener, SC | SPOTTER ALSO REPORTED A WALL CLOUD DEVELOPING. TIME ESTIMATED FROM RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 9.7 hours before the alert went out and 172 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 717 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 567 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
422
WUUS52 KCAE 312139
SVRCAE
SCC003-037-063-081-312230-
/O.NEW.KCAE.SV.W.0013.210331T2139Z-210331T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Columbia SC
539 PM EDT Wed Mar 31 2021
The National Weather Service in Columbia has issued a
* Severe Thunderstorm Warning for...
East central Edgefield County in central South Carolina...
Southwestern Lexington County in central South Carolina...
Northeastern Aiken County in central South Carolina...
Southeastern Saluda County in central South Carolina...
* Until 630 PM EDT.
* At 538 PM EDT, a severe thunderstorm was located near Aiken
Municipal Airport, or 12 miles north of Aiken, moving east at 45
mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Lexington, Batesburg-Leesville, Red Bank, Johnston, Ridge Spring,
Aiken Municipal Airport, Pelion, Gilbert, Summit, Monetta, Ward,
Murray, Thor, Camp Kinard, New Holland, Samaria Fire Station, Cedar
Pond Campground, Lexington County Airport At Pelion, Fredonia and
Peachtree Rock.
This includes Interstate 20 in South Carolina between mile markers 16
and 54.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection seek shelter inside a sturdy building and stay
away from windows.
Report any hail, damaging winds or flooding directly to the Columbia
National Weather Service at 803 234 4115 when it is safe to do so.
You can also send reports by Facebook or Twitter to NWSColumbia or by
e-mail at NWS.Columbia@noaa.gov.
&&
LAT...LON 3358 8176 3384 8185 3401 8125 3371 8116
TIME...MOT...LOC 2138Z 255DEG 40KT 3374 8170
HAIL...1.00IN
WIND...60MPH
$$
fwa2 follow-up statements
286
WWUS52 KCAE 312208
SVSCAE
Severe Weather Statement
National Weather Service Columbia SC
608 PM EDT Wed Mar 31 2021
SCC037-081-312217-
/O.CAN.KCAE.SV.W.0013.000000T0000Z-210331T2230Z/
Edgefield SC-Saluda SC-
608 PM EDT Wed Mar 31 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL EDGEFIELD AND
SOUTHEASTERN SALUDA COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3362 8157 3386 8149 3395 8123 3371 8116
TIME...MOT...LOC 2207Z 255DEG 40KT 3383 8131
$$
SCC003-063-312230-
/O.CON.KCAE.SV.W.0013.000000T0000Z-210331T2230Z/
Lexington SC-Aiken SC-
608 PM EDT Wed Mar 31 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR SOUTHWESTERN LEXINGTON AND NORTHEASTERN AIKEN COUNTIES...
At 607 PM EDT, a severe thunderstorm was located 8 miles southwest of
Red Bank, moving east at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Red Bank, Pelion, Thor, Camp Kinard, Lexington County Airport At
Pelion, Steedman, New Holland, Samaria Fire Station, Peachtree Rock,
Red Bank Sports Complex and Cedar Pond Campground.
This includes Interstate 20 in South Carolina between mile markers 33
and 51.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection seek shelter inside a sturdy building and stay
away from windows.
Report any hail, damaging winds or flooding directly to the Columbia
National Weather Service at 803 234 4115 when it is safe to do so.
You can also send reports by Facebook or Twitter to NWSColumbia or by
e-mail at NWS.Columbia@noaa.gov.
&&
LAT...LON 3362 8157 3386 8149 3395 8123 3371 8116
TIME...MOT...LOC 2207Z 255DEG 40KT 3383 8131
HAIL...1.00IN
WIND...60MPH
$$
fwa889
WWUS52 KCAE 312220
SVSCAE
Severe Weather Statement
National Weather Service Columbia SC
620 PM EDT Wed Mar 31 2021
SCC003-063-312230-
/O.EXP.KCAE.SV.W.0013.000000T0000Z-210331T2230Z/
Lexington SC-Aiken SC-
620 PM EDT Wed Mar 31 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN LEXINGTON AND
NORTHEASTERN AIKEN COUNTIES WILL EXPIRE AT 630 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Columbia.
LAT...LON 3362 8157 3386 8149 3395 8123 3371 8116
TIME...MOT...LOC 2220Z 255DEG 40KT 3386 8117
$$
fwaThe office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 2:11 PM EDT | Freeze Watch | CAE | Aiken, Chesterfield, Edgefield, Fairfield, Kershaw, Lancaster and 7 more | 13 hr |
| Mar 31, 3:43 PM EDT | Special Weather Statement | CAE | Richland | 32 min |
| Mar 31, 3:53 PM EDT | Special Weather Statement | CAE | Clarendon | 37 min |
| Mar 31, 4:56 PM EDT | Special Weather Statement | CAE | Clarendon | 49 min |
| Mar 31, 5:05 PM EDT | Special Weather Statement | CAE | Edgefield, Saluda | 40 min |
| Mar 31, 5:19 PM EDT | Severe Thunderstorm Warning | CAE | Aiken, Edgefield, Saluda | 41 min |
| Mar 31, 5:44 PM EDT | Tornado Warning | CAE | Aiken, Lexington | 20 min |
| Mar 31, 6:04 PM EDT | Special Weather Statement | CAE | Dorchester | 41 min |
| Mar 31, 6:56 PM EDT | Special Weather Statement | CAE | Calhoun | 34 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2021Every severe thunderstorm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.