Alert archive / South Carolina / Tornado Warnings in 2021
Tornado Warning 2, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this tornado warning at Mar 18, 2021, 2:37 PM EDT for Cherokee County, Spartanburg County, South Carolina. It was in force for 23 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
- Mar 18, 2021, 2:37 PM EDT (18:37 UTC)
- Expired
- Mar 18, 2021, 3:00 PM EDT
- In force
- 23 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
The radar
The Greer radar (KGSP), 35 km from the middle of the area, began a volume at 18:38 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 |
|---|---|---|---|
| Mar 18, 2:08 PM EDT | Tornado Watch | SPC | 4 hr |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.6 hours before the alert went out and 214 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 486 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 470 m²/s²
- 0-3 km storm-relative helicity
- 562 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
892
WFUS52 KGSP 181837
TORGSP
SCC021-083-181915-
/O.NEW.KGSP.TO.W.0002.210318T1837Z-210318T1915Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Greenville-Spartanburg SC
237 PM EDT Thu Mar 18 2021
The National Weather Service in Greenville-Spartanburg has issued a
* Tornado Warning for...
Northeastern Spartanburg County in Upstate South Carolina...
Northwestern Cherokee County in Upstate South Carolina...
* Until 315 PM EDT.
* At 236 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Spartanburg, or over USC Upstate, 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...
Cowpens, Mayo and Chesnee around 250 PM EDT.
Cowpens National Battlefield around 300 PM EDT.
Gaffney around 310 PM EDT.
Other locations impacted by this dangerous thunderstorm include
Thicketty.
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 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 3502 8210 3518 8180 3517 8155 3499 8172
3489 8208
TIME...MOT...LOC 1836Z 239DEG 32KT 3499 8197
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
LANE2 follow-up statements
702
WWUS52 KGSP 181853
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
253 PM EDT Thu Mar 18 2021
SCC083-181903-
/O.CAN.KGSP.TO.W.0002.000000T0000Z-210318T1915Z/
Spartanburg SC-
253 PM EDT Thu Mar 18 2021
...THE TORNADO WARNING FOR NORTHEASTERN SPARTANBURG COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore the warning has been cancelled.
A Tornado Watch remains in effect until 600 PM EDT for Upstate South
Carolina.
LAT...LON 3500 8178 3501 8179 3503 8179 3504 8180
3512 8184 3518 8180 3517 8155 3499 8172
TIME...MOT...LOC 1853Z 239DEG 32KT 3507 8181
$$
SCC021-181915-
/O.CON.KGSP.TO.W.0002.000000T0000Z-210318T1915Z/
Cherokee SC-
253 PM EDT Thu Mar 18 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR
NORTHWESTERN CHEROKEE COUNTY...
At 253 PM EDT, a severe thunderstorm capable of producing a tornado
was located 8 miles west of Gaffney, or near Mayo, 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...
Gaffney around 310 PM EDT.
Other locations impacted by this dangerous storm include Thicketty.
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 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 3500 8178 3501 8179 3503 8179 3504 8180
3512 8184 3518 8180 3517 8155 3499 8172
TIME...MOT...LOC 1853Z 239DEG 32KT 3507 8181
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
LANE784
WWUS52 KGSP 181900
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
300 PM EDT Thu Mar 18 2021
SCC021-181910-
/O.CAN.KGSP.TO.W.0002.000000T0000Z-210318T1915Z/
Cherokee SC-
300 PM EDT Thu Mar 18 2021
...THE TORNADO WARNING FOR NORTHWESTERN CHEROKEE COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been cancelled. However small hail and
gusty winds are still possible with this thunderstorm in the Gaffney
area.
A Tornado Watch remains in effect until 600 PM EDT for Upstate South
Carolina.
LAT...LON 3500 8178 3501 8179 3503 8179 3504 8180
3512 8184 3518 8180 3517 8155 3499 8172
TIME...MOT...LOC 1859Z 239DEG 32KT 3510 8174
$$
LANEThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 18, 1:19 PM EDT | Areal Flood Advisory | GSP | Greenville, Pickens | 3 hr |
| Mar 18, 1:53 PM EDT | Special Weather Statement | GSP | Greenville | 37 min |
| Mar 18, 2:22 PM EDT | Special Weather Statement | GSP | Spartanburg | 23 min |
| Mar 18, 3:12 PM EDT | Special Weather Statement | GSP | Greenwood | 48 min |
| Mar 18, 3:17 PM EDT | Severe Thunderstorm Warning | GSP | Cherokee, Spartanburg, Union | 43 min |
| Mar 18, 4:13 PM EDT | Special Weather Statement | GSP | York | 32 min |
| Mar 18, 4:26 PM EDT | Severe Thunderstorm Warning | GSP | York | 34 min |
| Mar 18, 4:38 PM EDT | Tornado Warning | GSP | York | 37 min |
| Mar 18, 4:45 PM EDT | Special Weather Statement | GSP | Chester | 30 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.