Alert archive / South Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 31, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 4, 2021, 3:44 PM EDT for Abbeville County, Greenwood County, Laurens County, South Carolina. It was in force for 13 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 4, 2021, 3:44 PM EDT (19:44 UTC)
- Expired
- May 4, 2021, 3:57 PM EDT
- In force
- 13 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Abbeville County, SC, Greenwood County, SC, Laurens County, SC
The radar
The Greer radar (KGSP), 87 km from the middle of the area, began a volume at 19:45 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.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.7 hours before the alert went out and 213 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
- 590 J/kg
- Mixed-layer CIN
- -114 J/kg
- Mixed-layer LCL
- 753 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 207 m²/s²
- 0-3 km storm-relative helicity
- 213 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
The text
As transmitted.
306
WUUS52 KGSP 041944
SVRGSP
SCC001-047-059-042030-
/O.NEW.KGSP.SV.W.0031.210504T1944Z-210504T2030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Greenville-Spartanburg SC
344 PM EDT Tue May 4 2021
The National Weather Service in Greenville-Spartanburg has issued a
* Severe Thunderstorm Warning for...
Southwestern Laurens County in Upstate South Carolina...
Abbeville County in Upstate South Carolina...
Greenwood County in Upstate South Carolina...
* Until 430 PM EDT.
* At 344 PM EDT, a severe thunderstorm was located 7 miles west of
Abbeville, or 6 miles northeast of Calhoun Falls, moving east at 40
mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
* Locations impacted include...
Greenwood, Abbeville, Calhoun Falls, Ninety Six, Cokesbury, Hodges,
Lake Greenwood, Ninety Six Historic Site, Promised Land and
Bradley.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Scattered trees and power lines will be blown down in the warned
area. Seek shelter inside an interior room.
Please report damaging winds, hail, or flooding to the National
Weather Service Greenville-Spartanburg by calling toll free, 1, 800,
2 6 7, 8 1 0 1, or by posting on our Facebook page, or Tweet it using
hashtag nwsgsp. Your message should describe the event and the
specific location where it occurred.
&&
LAT...LON 3427 8260 3438 8208 3408 8192 3407 8193
3402 8232 3406 8233 3406 8246 3408 8248
3407 8250 3407 8253 3402 8259 3402 8260
TIME...MOT...LOC 1944Z 258DEG 36KT 3414 8251
HAIL...0.88IN
WIND...60MPH
$$
WJM1 follow-up statement
186
WWUS52 KGSP 041957
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
357 PM EDT Tue May 4 2021
SCC001-047-059-042007-
/O.CAN.KGSP.SV.W.0031.000000T0000Z-210504T2030Z/
Laurens SC-Abbeville SC-Greenwood SC-
357 PM EDT Tue May 4 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN LAURENS...
ABBEVILLE AND GREENWOOD COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning has been cancelled.
LAT...LON 3427 8260 3438 8208 3408 8192 3407 8193
3402 8232 3406 8233 3406 8246 3408 8248
3407 8250 3407 8253 3402 8259 3402 8260
TIME...MOT...LOC 1945Z 258DEG 36KT 3417 8235
$$
WJMThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 12:36 PM EDT | Special Weather Statement | GSP | Greenville | 24 min |
| May 4, 1:23 PM EDT | Special Weather Statement | GSP | Pickens | 37 min |
| May 4, 2:19 PM EDT | Special Weather Statement | GSP | Spartanburg | 26 min |
| May 4, 2:51 PM EDT | Special Weather Statement | GSP | Union, York | 39 min |
| May 4, 3:05 PM EDT | Special Weather Statement | GSP | Abbeville | 40 min |
| May 4, 3:21 PM EDT | Special Weather Statement | GSP | Laurens, Union | 24 min |
| May 4, 3:53 PM EDT | Severe Thunderstorm Warning | GSP | Chester, York | 52 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.