Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 2, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Mar 18, 2021, 4:26 PM EDT for Mecklenburg County, North Carolina; York County, South Carolina. It was in force for 34 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, 4:26 PM EDT (20:26 UTC)
- Expired
- Mar 18, 2021, 5:00 PM EDT
- In force
- 34 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Mecklenburg County, NC, York County, SC
The radar
The Greer radar (KGSP), 117 km from the middle of the area, began a volume at 20:27 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, 8.4 hours before the alert went out and 146 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.
233
WUUS52 KGSP 182026
SVRGSP
NCC119-SCC091-182100-
/O.NEW.KGSP.SV.W.0002.210318T2026Z-210318T2100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Greenville-Spartanburg SC
426 PM EDT Thu Mar 18 2021
The National Weather Service in Greenville-Spartanburg has issued a
* Severe Thunderstorm Warning for...
Southwestern Mecklenburg County in the Piedmont of North
Carolina...
Northeastern York County in Upstate South Carolina...
* Until 500 PM EDT.
* At 424 PM EDT, a severe thunderstorm was located 6 miles northeast
of York, or 5 miles west of Lake Wylie, moving east at 40 mph.
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...
Uptown Charlotte, Central Charlotte, South Charlotte, Southwest
Charlotte, Pineville, Tega Cay, Freedom Park, The Plaza, Steele
Creek and The Arboretum.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted, act quickly and move to a
place of safety inside a sturdy structure such as a basement or small
interior room.
Scattered trees and power lines will be blown down in the warned
area. Seek shelter inside an interior room.
Lake Wylie is in the path of this storm. Get away from the water and
seek shelter in an interior room in the nearest shelter. 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 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.
&&
A Tornado Watch remains in effect until 600 PM EDT for the Piedmont
of North Carolina...and Upstate South Carolina.
LAT...LON 3504 8088 3508 8091 3504 8090 3497 8122
3508 8126 3515 8106 3515 8101 3517 8100
3525 8079 3508 8071
TIME...MOT...LOC 2024Z 249DEG 33KT 3506 8115
HAIL...1.00IN
WIND...60MPH
$$
ARKThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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, 4:38 PM EDT | Tornado Warning | GSP | Mecklenburg, Union | 37 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 |
| 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, 4:45 PM EDT | Special Weather Statement | GSP | Chester | 30 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2021Severe 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.