Alert archive / South Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 12, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Mar 31, 2021, 5:19 PM EDT for Aiken County, Edgefield County, Saluda County, South Carolina. It was in force for 41 min. 3 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, 5:19 PM EDT (21:19 UTC)
- Expired
- Mar 31, 2021, 6:00 PM EDT
- In force
- 41 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, Saluda County, SC
The radar
The Columbia radar (KCAE), 58 km from the middle of the area, began a volume at 21:18 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, 5:32 PM EDT | HAIL 0.88 | 1 E Trenton, SC | CORRECTS PREVIOUS HAIL REPORT FROM 1 E TRENTON. TIME ESTIMATED FROM RADAR. |
| Mar 31, 5:35 PM EDT | HAIL 1.75 | 7 Se Trenton, SC | VIDEO SENT IN VIA TWITTER SHOWS UPWARDS OF GOLF BALL SIZED HAIL FALLING ON LAKE SHORE DR OFF HWY 19. TIME ESTIMATED FROM RADAR. |
| 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. |
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, 9.3 hours before the alert went out and 198 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.
583
WUUS52 KCAE 312119
SVRCAE
SCC003-037-081-312200-
/O.NEW.KCAE.SV.W.0012.210331T2119Z-210331T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Columbia SC
519 PM EDT Wed Mar 31 2021
The National Weather Service in Columbia has issued a
* Severe Thunderstorm Warning for...
Central Edgefield County in central South Carolina...
Northwestern Aiken County in central South Carolina...
Saluda County in central South Carolina...
* Until 600 PM EDT.
* At 518 PM EDT, severe thunderstorms were located along a line
extending from 8 miles west of Saluda County Airport to near
Edgefield to near Augusta National Golf Club, moving northeast at
35 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...
North Augusta, Batesburg-Leesville, Edgefield, Saluda, Johnston,
Ridge Spring, Saluda County Airport, Edgefield County Airport,
Monetta, Trenton, Ward, Strom Thurmond High School, Saluda Co
Sheriff's Office, Good Hope, Poverty Hill, Northside Fire Station
Main, Hollywood Elementary School, Emory, Vaucluse and Edgefield
Federal Correction Institution.
This includes Interstate 20 in South Carolina between mile markers 7
and 20.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection seek shelter inside a sturdy building and stay
away from windows.
&&
LAT...LON 3370 8197 3396 8201 3404 8194 3417 8169
3415 8164 3412 8162 3412 8159 3409 8156
3394 8154 3388 8157 3386 8156 3360 8174
3355 8204
TIME...MOT...LOC 2118Z 240DEG 30KT 3397 8194 3374 8190 3356 8203
HAIL...1.00IN
WIND...60MPH
$$
fwa2 follow-up statements
946
WWUS52 KCAE 312131
SVSCAE
Severe Weather Statement
National Weather Service Columbia SC
531 PM EDT Wed Mar 31 2021
SCC003-037-081-312200-
/O.CON.KCAE.SV.W.0012.000000T0000Z-210331T2200Z/
Edgefield SC-Aiken SC-Saluda SC-
531 PM EDT Wed Mar 31 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR CENTRAL EDGEFIELD...NORTHWESTERN AIKEN AND SALUDA COUNTIES...
At 531 PM EDT, severe thunderstorms were located along a line
extending from near Saluda to near Johnston to near Belvedere, moving
northeast at 35 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
North Augusta, Batesburg-Leesville, Edgefield, Saluda, Johnston,
Ridge Spring, Saluda County Airport, Edgefield County Airport,
Monetta, Trenton, Ward, Strom Thurmond High School, Saluda Co
Sheriff's Office, Good Hope, Poverty Hill, Northside Fire Station
Main, Hollywood Elementary School, Emory, Vaucluse and Edgefield
Federal Correction Institution.
This includes Interstate 20 in South Carolina between mile markers 7
and 20.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection seek shelter inside a sturdy building and stay
away from windows.
Report any hail, damaging winds or flooding directly to the Columbia
National Weather Service at 803 234 4115 when it is safe to do so.
You can also send reports by Facebook or Twitter to NWSColumbia or by
e-mail at NWS.Columbia@noaa.gov.
&&
LAT...LON 3370 8197 3396 8201 3404 8194 3417 8169
3415 8164 3412 8162 3412 8159 3409 8156
3394 8154 3388 8157 3386 8156 3360 8174
3355 8204
TIME...MOT...LOC 2131Z 240DEG 30KT 3402 8184 3379 8180 3361 8193
HAIL...1.25IN
WIND...60MPH
$$
fwa677
WWUS52 KCAE 312155
SVSCAE
Severe Weather Statement
National Weather Service Columbia SC
555 PM EDT Wed Mar 31 2021
SCC003-037-081-312204-
/O.EXP.KCAE.SV.W.0012.000000T0000Z-210331T2200Z/
Edgefield SC-Aiken SC-Saluda SC-
555 PM EDT Wed Mar 31 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL EDGEFIELD...
NORTHWESTERN AIKEN AND SALUDA COUNTIES WILL EXPIRE AT 600 PM EDT...
The storms which prompted the warning have moved out of the area.
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.
Remember, a Tornado Warning still remains in effect for
northeastern Aiken County through 615 PM.
LAT...LON 3370 8197 3396 8201 3404 8194 3417 8169
3415 8164 3412 8162 3412 8159 3409 8156
3394 8154 3388 8157 3386 8156 3360 8174
3355 8204
TIME...MOT...LOC 2154Z 240DEG 30KT 3411 8165 3388 8161 3370 8174
$$
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, 5:39 PM EDT | Severe Thunderstorm Warning | CAE | Aiken, Edgefield, Lexington, Saluda | 51 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.