Alert archive / South Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 119, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 11, 2021, 6:18 PM EDT for Cherokee County, South Carolina. It was in force for 25 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
- Aug 11, 2021, 6:18 PM EDT (22:18 UTC)
- Expired
- Aug 11, 2021, 6:43 PM EDT
- In force
- 25 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Cherokee County, SC
The radar
The Greer radar (KGSP), 57 km from the middle of the area, began a volume at 22:18 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 |
|---|---|---|---|
| Aug 11, 6:30 PM EDT | TSTM WND DMG | 1 Sw Gaffney, SC | 911 CALL CENTER REPORTED TREE DOWN ON OLD GEORGIA HWY. |
| Aug 11, 6:30 PM EDT | TSTM WND DMG | 4 S Gaffney, SC | 911 CALL CENTER REPORTED TREE DOWN ON BURNT GIN RD. |
| Aug 11, 6:30 PM EDT | TSTM WND DMG | 5 Se Gaffney, SC | 911 CALL CENTER REPORTED TREE DOWN ON PONDFIELD RD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.3 hours before the alert went out and 199 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
- 653 J/kg
- Mixed-layer CIN
- -106 J/kg
- Mixed-layer LCL
- 1352 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- -21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
576
WUUS52 KGSP 112218
SVRGSP
SCC021-112300-
/O.NEW.KGSP.SV.W.0119.210811T2218Z-210811T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Greenville-Spartanburg SC
618 PM EDT Wed Aug 11 2021
The National Weather Service in Greenville-Spartanburg has issued a
* Severe Thunderstorm Warning for...
Central Cherokee County in Upstate South Carolina...
* Until 700 PM EDT.
* At 618 PM EDT, a severe thunderstorm was located 4 miles south of
Gaffney, and is nearly stationary.
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...
Gaffney, Cherokee Falls, Draytonville and Thicketty.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Brief damaging winds will blow down trees and power lines over small
areas. A brief period of large hail is also possible. Seek shelter
inside an interior room.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
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 8165 3490 8167 3491 8168 3491 8172
3504 8177 3510 8156 3497 8148 3497 8149
3494 8149 3494 8147 3493 8148 3489 8164
TIME...MOT...LOC 2218Z 345DEG 1KT 3501 8164
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
TDP1 follow-up statement
060
WWUS52 KGSP 112243
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
643 PM EDT Wed Aug 11 2021
SCC021-112252-
/O.CAN.KGSP.SV.W.0119.000000T0000Z-210811T2300Z/
Cherokee SC-
643 PM EDT Wed Aug 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CHEROKEE COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However heavy rain,
gusty winds, and frequent lightning are all still possible with this
thunderstorm.
If you experienced damaging winds or hail, please report it to the
National Weather Service by calling toll free, 1, 800, 2 6 7, 8 1 0
1, or by posting on our Facebook page, or Tweet it using hashtag
nwsgsp.
LAT...LON 3490 8165 3490 8167 3491 8168 3491 8172
3504 8177 3510 8156 3497 8148 3497 8149
3494 8149 3494 8147 3493 8148 3489 8164
TIME...MOT...LOC 2238Z 345DEG 1KT 3500 8164
$$
TDPThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 8:01 PM EDT | Special Weather Statement | GSP | Anderson | 29 min |
| Aug 10, 8:20 PM EDT | Special Weather Statement | GSP | Laurens, Union | 25 min |
| Aug 10, 8:32 PM EDT | Special Weather Statement | GSP | Anderson | 28 min |
| Aug 10, 8:45 PM EDT | Special Weather Statement | GSP | Laurens | 30 min |
| Aug 10, 9:10 PM EDT | Special Weather Statement | GSP | Laurens | 35 min |
| Aug 11, 3:28 PM EDT | Special Weather Statement | GSP | Greenville | 32 min |
| Aug 11, 3:32 PM EDT | Special Weather Statement | GSP | Greenville | 28 min |
| Aug 11, 3:37 PM EDT | Special Weather Statement | GSP | Greenwood | 23 min |
| Aug 11, 3:41 PM EDT | Severe Thunderstorm Warning | GSP | Abbeville, Greenwood | 49 min |
| Aug 11, 4:01 PM EDT | Severe Thunderstorm Warning | GSP | Spartanburg | 44 min |
| Aug 11, 4:04 PM EDT | Severe Thunderstorm Warning | GSP | Greenville | 41 min |
| Aug 11, 4:27 PM EDT | Special Weather Statement | GSP | Spartanburg | 33 min |
| Aug 11, 4:35 PM EDT | Special Weather Statement | GSP | Anderson | 25 min |
| Aug 11, 4:42 PM EDT | Severe Thunderstorm Warning | GSP | Anderson | 48 min |
| Aug 11, 4:51 PM EDT | Special Weather Statement | GSP | Greenville | 24 min |
| Aug 11, 4:54 PM EDT | Severe Thunderstorm Warning | GSP | Spartanburg | 32 min |
| Aug 11, 4:59 PM EDT | Severe Thunderstorm Warning | GSP | Anderson | 32 min |
| Aug 11, 5:14 PM EDT | Severe Thunderstorm Warning | GSP | Greenwood | 46 min |
| Aug 11, 5:17 PM EDT | Severe Thunderstorm Warning | GSP | Cherokee | 43 min |
| Aug 11, 5:19 PM EDT | Severe Thunderstorm Warning | GSP | Abbeville | 41 min |
| Aug 11, 5:33 PM EDT | Special Weather Statement | GSP | Anderson | 27 min |
| Aug 11, 5:42 PM EDT | Special Weather Statement | GSP | Cherokee | 33 min |
| Aug 11, 6:09 PM EDT | Special Weather Statement | GSP | Cherokee | 36 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.