Alert archive / North Carolina / Tornado Warnings in 2021
Tornado Warning 3, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this tornado warning at Mar 18, 2021, 4:38 PM EDT for York County, South Carolina; Mecklenburg County, Union County, North Carolina. It was in force for 37 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, 4:38 PM EDT (20:38 UTC)
- Expired
- Mar 18, 2021, 5:15 PM EDT
- In force
- 37 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Mecklenburg County, NC, Union County, NC, York County, SC
The radar
The Columbia radar (KCAE), 124 km from the middle of the area, began a volume at 20:38 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, 8.6 hours before the alert went out and 143 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.
068
WFUS52 KGSP 182038
TORGSP
NCC119-179-SCC091-182130-
/O.NEW.KGSP.TO.W.0003.210318T2038Z-210318T2130Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Greenville-Spartanburg SC
438 PM EDT Thu Mar 18 2021
The National Weather Service in Greenville-Spartanburg has issued a
* Tornado Warning for...
Southern Mecklenburg County in the Piedmont of North Carolina...
Northwestern Union County in the Piedmont of North Carolina...
Northeastern York County in Upstate South Carolina...
* Until 530 PM EDT.
* At 438 PM EDT, a severe thunderstorm capable of producing a tornado
was located 8 miles north of Rock Hill, or near Tega Cay, moving
east at 35 mph.
HAZARD...Tornado and quarter size hail.
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...
Carowinds and Fort Mill around 440 PM EDT.
Pineville around 450 PM EDT.
The Arboretum, Weddington, Southpark Mall, South Charlotte and
Marvin around 500 PM EDT.
Lake Park, Matthews and Wesley Chapel around 510 PM EDT.
Monroe, Indian Trail, Hemby Bridge, Stallings and Mint Hill around
520 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This Tornado Warning replaces the Severe Thunderstorm Warning issued
for the same area.
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 8057 3500 8084 3508 8091 3503 8090
3501 8091 3499 8090 3499 8110 3510 8111
3524 8062
TIME...MOT...LOC 2038Z 258DEG 32KT 3506 8101
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
ARK2 follow-up statements
059
WWUS52 KGSP 182059
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
459 PM EDT Thu Mar 18 2021
NCC179-SCC091-182109-
/O.CAN.KGSP.TO.W.0003.000000T0000Z-210318T2130Z/
Union NC-York SC-
459 PM EDT Thu Mar 18 2021
...THE TORNADO WARNING FOR NORTHWESTERN UNION AND NORTHEASTERN YORK
COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore the warning has been cancelled.
A Tornado Watch remains in effect until 600 PM EDT for the Piedmont
of North Carolina...and Upstate South Carolina.
LAT...LON 3507 8072 3503 8086 3503 8087 3511 8093
3508 8098 3514 8099 3524 8062 3517 8060
TIME...MOT...LOC 2059Z 245DEG 30KT 3515 8082
$$
NCC119-182130-
/O.CON.KGSP.TO.W.0003.000000T0000Z-210318T2130Z/
Mecklenburg NC-
459 PM EDT Thu Mar 18 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR SOUTHERN
MECKLENBURG COUNTY...
At 459 PM EDT, a severe thunderstorm capable of producing a tornado
was located 5 miles south of Uptown Charlotte, or over Southpark
Mall, moving northeast at 35 mph.
HAZARD...Tornado and quarter size hail.
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...
The Arboretum and South Charlotte around 500 PM EDT.
Matthews and East Charlotte around 510 PM EDT.
Mint Hill and Stallings around 520 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 3507 8072 3503 8086 3503 8087 3511 8093
3508 8098 3514 8099 3524 8062 3517 8060
TIME...MOT...LOC 2059Z 245DEG 30KT 3515 8082
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
ARK030
WWUS52 KGSP 182115
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
515 PM EDT Thu Mar 18 2021
NCC119-182124-
/O.CAN.KGSP.TO.W.0003.000000T0000Z-210318T2130Z/
Mecklenburg NC-
515 PM EDT Thu Mar 18 2021
...THE TORNADO WARNING FOR SOUTHERN MECKLENBURG COUNTY IS
CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore the warning has been cancelled.
A Tornado Watch remains in effect until 600 PM EDT for the Piedmont
of North Carolina...and Upstate South Carolina.
If you observed large hail or wind damage, please report it to the
National Weather Service Greenville-Spartanburg by calling toll free,
1, 800, 2 6 7, 8 1 0 1, or by posting on our Facebook page, or Tweet
it using hashtag nwsgsp. Your message should describe the event and
the specific location where it occurred.
Remember, a Tornado Warning still remains in effect for eastern
Mecklenburg, southern Cabarrus, and northern Union counties until
6:00 PM EDT.
LAT...LON 3507 8072 3503 8086 3503 8087 3511 8093
3508 8098 3514 8099 3524 8062 3517 8060
TIME...MOT...LOC 2108Z 258DEG 32KT 3518 8066
$$
ARKThe 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, 2:37 PM EDT | Tornado Warning | GSP | Cherokee, 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, 4:45 PM EDT | Special Weather Statement | GSP | Chester | 30 min |
| Mar 18, 1:49 PM EDT | Special Weather Statement | GSP | Rutherford | 41 min |
| Mar 18, 2:25 PM EDT | Special Weather Statement | GSP | Cleveland | 35 min |
| Mar 18, 2:58 PM EDT | Special Weather Statement | GSP | Lincoln | 47 min |
| Mar 18, 4:01 PM EDT | Special Weather Statement | GSP | Mecklenburg | 29 min |
| Mar 18, 4:05 PM EDT | Special Weather Statement | GSP | Davie | 25 min |
| Mar 18, 5:13 PM EDT | Tornado Warning | GSP | Cabarrus, Mecklenburg, Union | 31 min |
| Mar 18, 5:22 PM EDT | Severe Thunderstorm Warning | GSP | Avery | 18 min |
| Mar 18, 5:54 PM EDT | Special Weather Statement | GSP | Union | 36 min |
| Mar 18, 6:32 PM EDT | Areal Flood Advisory | GSP | Transylvania | 3 hr |
| Mar 18, 6:52 PM EDT | River Flood Advisory | GSP | Henderson, Transylvania | 31 hr |
Nearby
Tornado Warnings in North Carolina, 2021Tornado 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.