Alert archive / South Carolina / Tornado Warnings in 2021
Tornado Warning 36, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this tornado warning at Aug 17, 2021, 2:14 PM EDT for Greenwood County, Laurens County, South Carolina. It was in force for 33 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
- Aug 17, 2021, 2:14 PM EDT (18:14 UTC)
- Expired
- Aug 17, 2021, 2:47 PM EDT
- In force
- 33 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Greenwood County, SC, Laurens County, SC
The radar
The Greer radar (KGSP), 53 km from the middle of the area, began a volume at 18:15 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 17, 10:42 AM EDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.2 hours before the alert went out and 239 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
- 259 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 461 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 197 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
The text
As transmitted.
812
WFUS52 KGSP 171814
TORGSP
SCC047-059-171900-
/O.NEW.KGSP.TO.W.0036.210817T1814Z-210817T1900Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Greenville-Spartanburg SC
214 PM EDT Tue Aug 17 2021
The National Weather Service in Greenville-Spartanburg has issued a
* Tornado Warning for...
Southwestern Laurens County in Upstate South Carolina...
Northwestern Greenwood County in Upstate South Carolina...
* Until 300 PM EDT.
* At 214 PM EDT, a severe thunderstorm capable of producing a tornado
was located 6 miles north of Greenwood, or 4 miles east of
Cokesbury, moving north at 25 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Waterloo around 230 PM EDT.
Ware Shoals around 240 PM EDT.
Other locations impacted by this dangerous thunderstorm include
Coronaca and Hickory Tavern.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
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 3419 8222 3438 8229 3441 8225 3442 8226
3443 8226 3444 8228 3445 8228 3447 8231
3448 8231 3453 8224 3454 8223 3457 8202
3422 8201
TIME...MOT...LOC 1814Z 171DEG 21KT 3429 8214
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
TDP3 follow-up statements
570
WWUS52 KGSP 171824
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
224 PM EDT Tue Aug 17 2021
SCC047-171834-
/O.CAN.KGSP.TO.W.0036.000000T0000Z-210817T1900Z/
Greenwood SC-
224 PM EDT Tue Aug 17 2021
...THE TORNADO WARNING FOR NORTHWESTERN GREENWOOD COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 700 PM EDT for Upstate South
Carolina.
LAT...LON 3437 8218 3438 8221 3440 8223 3440 8224
3443 8226 3447 8231 3448 8231 3454 8223
3456 8205 3437 8208 3434 8217
TIME...MOT...LOC 1824Z 173DEG 30KT 3439 8215
$$
SCC059-171900-
/O.CON.KGSP.TO.W.0036.000000T0000Z-210817T1900Z/
Laurens SC-
224 PM EDT Tue Aug 17 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM EDT FOR WEST
CENTRAL LAURENS COUNTY...
At 224 PM EDT, a severe thunderstorm capable of producing a tornado
was located 10 miles southwest of Laurens, or 5 miles east of Ware
Shoals, moving north at 35 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
west central Laurens County, including the following locations...
Hickory Tavern.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
&&
LAT...LON 3437 8218 3438 8221 3440 8223 3440 8224
3443 8226 3447 8231 3448 8231 3454 8223
3456 8205 3437 8208 3434 8217
TIME...MOT...LOC 1824Z 173DEG 30KT 3439 8215
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
TDP188
WWUS52 KGSP 171841
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
241 PM EDT Tue Aug 17 2021
SCC059-171900-
/O.CON.KGSP.TO.W.0036.000000T0000Z-210817T1900Z/
Laurens SC-
241 PM EDT Tue Aug 17 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM EDT FOR WEST
CENTRAL LAURENS COUNTY...
At 241 PM EDT, a severe thunderstorm capable of producing a tornado
was located 8 miles west of Laurens, or 7 miles southwest of Gray
Court, moving north at 30 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Hickory Tavern.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
&&
LAT...LON 3454 8223 3455 8211 3448 8210 3445 8221
TIME...MOT...LOC 1841Z 172DEG 26KT 3451 8217
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
TDP439
WWUS52 KGSP 171847
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
247 PM EDT Tue Aug 17 2021
SCC059-171857-
/O.CAN.KGSP.TO.W.0036.000000T0000Z-210817T1900Z/
Laurens SC-
247 PM EDT Tue Aug 17 2021
...THE TORNADO WARNING FOR WEST CENTRAL LAURENS COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 700 PM EDT for Upstate South
Carolina.
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 3454 8223 3455 8211 3448 8210 3445 8221
TIME...MOT...LOC 1846Z 171DEG 21KT 3455 8218
$$
TDPThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 11:47 AM EDT | Tornado Warning | GSP | Oconee | 13 min |
| Aug 17, 12:30 PM EDT | Flash Flood Warning | GSP | Oconee | 5 hr |
| Aug 17, 12:30 PM EDT | Tornado Warning | GSP | Oconee, Pickens | 23 min |
| Aug 17, 12:59 PM EDT | Tornado Warning | GSP | Anderson, Pickens | 23 min |
| Aug 17, 1:20 PM EDT | Tornado Warning | GSP | Pickens | 25 min |
| Aug 17, 2:03 PM EDT | Flash Flood Warning | GSP | Greenville, Pickens | 5 hr |
| Aug 17, 2:52 PM EDT | Tornado Warning | GSP | Greenville | 26 min |
| Aug 17, 3:01 PM EDT | Tornado Warning | GSP | Greenville | 18 min |
| Aug 17, 3:25 PM EDT | Special Weather Statement | GSP | Spartanburg | 35 min |
| Aug 17, 3:26 PM EDT | Special Weather Statement | GSP | Oconee | 34 min |
| Aug 17, 4:34 PM EDT | Special Weather Statement | GSP | Abbeville, Anderson, Pickens | 26 min |
| Aug 17, 5:08 PM EDT | Tornado Warning | GSP | Anderson, Greenville, Pickens | 52 min |
| Aug 17, 5:10 PM EDT | Tornado Warning | GSP | Abbeville, Greenville, Greenwood, Laurens | 50 min |
| Aug 17, 5:11 PM EDT | Tornado Warning | GSP | Abbeville, Greenwood, Laurens | 49 min |
| Aug 17, 5:33 PM EDT | Tornado Warning | GSP | Anderson, Greenville, Spartanburg | 42 min |
| Aug 17, 5:37 PM EDT | Tornado Warning | GSP | Chester, York | 38 min |
| Aug 17, 5:57 PM EDT | Tornado Warning | GSP | Greenville, Laurens, Spartanburg | 48 min |
| Aug 17, 5:58 PM EDT | Tornado Warning | GSP | Greenwood, Laurens | 47 min |
| Aug 17, 6:15 PM EDT | Tornado Warning | GSP | Laurens, Spartanburg, Union | 45 min |
| Aug 17, 6:16 PM EDT | Flash Flood Warning | GSP | Greenville, Pickens, Spartanburg | 3 hr |
| Aug 17, 6:42 PM EDT | Tornado Warning | GSP | Spartanburg | 48 min |
| Aug 17, 6:46 PM EDT | Tornado Warning | GSP | Cherokee, Spartanburg | 44 min |
| Aug 17, 6:51 PM EDT | Tornado Warning | GSP | Laurens, Spartanburg, Union | 39 min |
| Aug 17, 7:59 PM EDT | Tornado Warning | GSP | Cherokee, Spartanburg | 46 min |
Nearby
Tornado Warnings in South Carolina, 2021Every tornado warning in 2021Tornadoes 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.