Alert archive / South Carolina / Tornado Warnings in 2021
Tornado Warning 62, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this tornado warning at Aug 17, 2021, 8:00 PM EDT for 4 counties in South Carolina. It was in force for 45 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, 8:00 PM EDT (00:00 UTC)
- Expired
- Aug 17, 2021, 8:45 PM EDT
- In force
- 45 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Cherokee County, SC, Spartanburg County, SC, Union County, SC, York County, SC
The radar
The Greer radar (KGSP), 51 km from the middle of the area, began a volume at 00:02 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, 6:28 PM EDT | Tornado Watch | SPC | 10 hr |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 0.0 hours before the alert went out and 206 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
- 349 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 641 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 225 m²/s²
- 0-3 km storm-relative helicity
- 278 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.5
The text
As transmitted.
317
WFUS52 KGSP 180000
TORGSP
SCC021-083-087-091-180045-
/O.NEW.KGSP.TO.W.0062.210818T0000Z-210818T0045Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Greenville-Spartanburg SC
800 PM EDT Tue Aug 17 2021
The National Weather Service in Greenville-Spartanburg has issued a
* Tornado Warning for...
West central York County in Upstate South Carolina...
Southeastern Spartanburg County in Upstate South Carolina...
Central Cherokee County in Upstate South Carolina...
Northwestern Union County in Upstate South Carolina...
* Until 845 PM EDT.
* At 759 PM EDT, a severe thunderstorm capable of producing a tornado
was located 7 miles west of Union, or 4 miles northwest of Buffalo,
moving northeast 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 dangerous storm will be near...
Buffalo around 800 PM EDT.
Union and Jonesville around 810 PM EDT.
Pacolet and Pacolet Mills around 820 PM EDT.
Blacksburg, Smyrna and Hickory Grove around 840 PM EDT.
Other locations impacted by this dangerous thunderstorm include
Cherokee Falls, Draytonville, Saratt and Kings Creek.
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.
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 3473 8189 3518 8160 3517 8159 3503 8130
3464 8170
TIME...MOT...LOC 2359Z 211DEG 32KT 3475 8175
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
CAC1 follow-up statement
851
WWUS52 KGSP 180017
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
817 PM EDT Tue Aug 17 2021
SCC083-180027-
/O.CAN.KGSP.TO.W.0062.000000T0000Z-210818T0045Z/
Spartanburg SC-
817 PM EDT Tue Aug 17 2021
...THE TORNADO WARNING FOR SOUTHEASTERN SPARTANBURG COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 200 AM EDT for the Piedmont
of North Carolina...and Upstate South Carolina.
LAT...LON 3471 8182 3483 8179 3491 8171 3493 8174
3493 8175 3494 8176 3518 8160 3503 8130
3466 8169
TIME...MOT...LOC 0017Z 211DEG 32KT 3489 8165
$$
SCC021-087-091-180045-
/O.CON.KGSP.TO.W.0062.000000T0000Z-210818T0045Z/
York SC-Cherokee SC-Union SC-
817 PM EDT Tue Aug 17 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR WEST
CENTRAL YORK...CENTRAL CHEROKEE AND NORTHWESTERN UNION COUNTIES...
At 817 PM EDT, a severe thunderstorm capable of producing a tornado
was located 11 miles north of Union, or 4 miles northeast of
Jonesville, moving northeast 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 dangerous storm will be near...
Smyrna and Hickory Grove around 840 PM EDT.
Blacksburg around 850 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Cherokee Falls, Draytonville, Saratt and Kings Creek.
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.
&&
LAT...LON 3471 8182 3483 8179 3491 8171 3493 8174
3493 8175 3494 8176 3518 8160 3503 8130
3466 8169
TIME...MOT...LOC 0017Z 211DEG 32KT 3489 8165
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
CACNearby
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.