Alert archive / South Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 172, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Sep 8, 2021, 2:06 PM EDT for Oconee County, Pickens County, South Carolina. It was in force for 39 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
- Sep 8, 2021, 2:06 PM EDT (18:06 UTC)
- Expired
- Sep 8, 2021, 2:45 PM EDT
- In force
- 39 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Oconee County, SC, Pickens County, SC
The radar
The Greer radar (KGSP), 56 km from the middle of the area, began a volume at 18:08 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, 6.1 hours before the alert went out and 240 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
- 935 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 661 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
300
WUUS52 KGSP 081806
SVRGSP
SCC073-077-081845-
/O.NEW.KGSP.SV.W.0172.210908T1806Z-210908T1845Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Greenville-Spartanburg SC
206 PM EDT Wed Sep 8 2021
The National Weather Service in Greenville-Spartanburg has issued a
* Severe Thunderstorm Warning for...
Northwestern Pickens County in Upstate South Carolina...
Northeastern Oconee County in Upstate South Carolina...
* Until 245 PM EDT.
* At 206 PM EDT, a severe thunderstorm was located 11 miles northwest
of Pickens, or near Jocassee Gorges, moving east at 10 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor hail damage to vehicles is expected. Expect wind
damage to trees and power lines.
* Locations impacted include...
Devils Fork State Park, Keowee Toxaway State Park, Table Rock State
Park, Jocassee Gorges, Lake Jocassee, Sunset, Nine Times, Rocky
Bottom, Sassafras Mountain and Pickens.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Please report damaging winds, hail, or flooding to the National
Weather Service 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 3504 8295 3507 8284 3506 8276 3505 8275
3505 8274 3506 8273 3505 8267 3483 8273
3493 8299
TIME...MOT...LOC 1806Z 282DEG 9KT 3498 8288
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
ARK2 follow-up statements
867
WWUS52 KGSP 081825
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
225 PM EDT Wed Sep 8 2021
SCC073-081834-
/O.CAN.KGSP.SV.W.0172.000000T0000Z-210908T1845Z/
Oconee SC-
225 PM EDT Wed Sep 8 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN OCONEE COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3490 8290 3492 8291 3494 8290 3495 8291
3506 8288 3507 8285 3507 8281 3506 8276
3505 8275 3506 8271 3505 8267 3483 8273
TIME...MOT...LOC 1824Z 282DEG 9KT 3497 8282
$$
SCC077-081845-
/O.CON.KGSP.SV.W.0172.000000T0000Z-210908T1845Z/
Pickens SC-
225 PM EDT Wed Sep 8 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR NORTHWESTERN PICKENS COUNTY...
At 224 PM EDT, a severe thunderstorm was located 8 miles northwest of
Pickens, or near Jocassee Gorges, moving east at 10 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor hail damage to vehicles is expected. Expect wind
damage to trees and power lines.
Locations impacted include...
Keowee Toxaway State Park, Table Rock State Park, Jocassee Gorges,
Sunset, Nine Times, Rocky Bottom, Sassafras Mountain, Pickens and
Lake Keowee.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Please report damaging winds, hail, or flooding to the National
Weather Service 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 3490 8290 3492 8291 3494 8290 3495 8291
3506 8288 3507 8285 3507 8281 3506 8276
3505 8275 3506 8271 3505 8267 3483 8273
TIME...MOT...LOC 1824Z 282DEG 9KT 3497 8282
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
ARK785
WWUS52 KGSP 081836
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
236 PM EDT Wed Sep 8 2021
SCC077-081846-
/O.EXP.KGSP.SV.W.0172.000000T0000Z-210908T1845Z/
Pickens SC-
236 PM EDT Wed Sep 8 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN PICKENS COUNTY
WILL EXPIRE AT 245 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
To report severe weather to the National Weather Service
Greenville-Spartanburg, call toll free, 1, 800, 2 6 7, 8 1 0 1, or
post on our Facebook page, or Tweet it using hashtag nwsgsp. Your
message should describe the event and the specific location where it
occurred.
LAT...LON 3490 8290 3492 8291 3494 8290 3495 8291
3506 8288 3507 8285 3507 8281 3506 8276
3505 8275 3506 8271 3505 8267 3483 8273
TIME...MOT...LOC 1836Z 282DEG 9KT 3496 8279
$$
ARKThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 11:46 PM EDT | Special Weather Statement | GSP | Abbeville, Greenwood | 29 min |
| Sep 8, 12:15 AM EDT | Special Weather Statement | GSP | Greenwood | 45 min |
| Sep 8, 1:00 AM EDT | Special Weather Statement | GSP | Anderson | 30 min |
| Sep 8, 2:27 AM EDT | Special Weather Statement | GSP | Oconee | 33 min |
| Sep 8, 3:09 AM EDT | Special Weather Statement | GSP | Oconee | 36 min |
| Sep 8, 3:46 AM EDT | Special Weather Statement | GSP | Oconee | 29 min |
| Sep 8, 4:16 AM EDT | Special Weather Statement | GSP | Greenville | 29 min |
| Sep 8, 4:44 AM EDT | Special Weather Statement | GSP | Greenville | 31 min |
| Sep 8, 5:01 AM EDT | Special Weather Statement | GSP | Laurens | 29 min |
| Sep 8, 5:05 AM EDT | Special Weather Statement | GSP | Anderson | 25 min |
| Sep 8, 5:15 AM EDT | Special Weather Statement | GSP | Spartanburg | 45 min |
| Sep 8, 5:38 AM EDT | Special Weather Statement | GSP | Cherokee, Spartanburg | 52 min |
| Sep 8, 6:15 AM EDT | Special Weather Statement | GSP | Cherokee, Laurens, Union, York | 45 min |
| Sep 8, 6:54 AM EDT | Special Weather Statement | GSP | York | 51 min |
| Sep 8, 1:55 PM EDT | Special Weather Statement | GSP | Pickens | 35 min |
| Sep 8, 2:12 PM EDT | Special Weather Statement | GSP | Oconee | 33 min |
| Sep 8, 5:00 PM EDT | Special Weather Statement | GSP | Pickens | 30 min |
| Sep 8, 5:29 PM EDT | Special Weather Statement | GSP | Chester | 31 min |
| Sep 8, 7:38 PM EDT | Special Weather Statement | GSP | Pickens | 37 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.