Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 102, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 11, 2021, 3:51 PM EDT for Buncombe County, North Carolina. It was in force for 39 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 11, 2021, 3:51 PM EDT (19:51 UTC)
- Expired
- Aug 11, 2021, 4:30 PM EDT
- In force
- 39 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Buncombe County, NC
The radar
The Greer radar (KGSP), 72 km from the middle of the area, began a volume at 19:52 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 nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.9 hours before the alert went out and 232 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
- 653 J/kg
- Mixed-layer CIN
- -106 J/kg
- Mixed-layer LCL
- 1352 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- -21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
640
WUUS52 KGSP 111951
SVRGSP
NCC021-112030-
/O.NEW.KGSP.SV.W.0102.210811T1951Z-210811T2030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Greenville-Spartanburg SC
351 PM EDT Wed Aug 11 2021
The National Weather Service in Greenville-Spartanburg has issued a
* Severe Thunderstorm Warning for...
Southeastern Buncombe County in western North Carolina...
* Until 430 PM EDT.
* At 351 PM EDT, a severe thunderstorm was located 4 miles southeast
of Downtown Asheville, or near B.R. Parkway-Nc Arboretum To East
Asheville, moving southeast at 5 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...
Downtown Asheville, East Asheville, Arden, Black Mountain,
Swannanoa, Fairview In Buncombe County, Biltmore Forest, Skyland,
B.R. Parkway-Nc Arboretum To East Asheville and Warren Wilson
College.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Brief damaging winds will blow down trees and power lines over small
areas. A brief period of large hail is also possible. Seek shelter
inside an interior room.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, 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 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 3560 8229 3559 8229 3555 8223 3548 8230
3550 8233 3549 8235 3549 8236 3548 8237
3546 8237 3547 8242 3545 8247 3545 8252
3553 8261 3568 8248
TIME...MOT...LOC 1951Z 307DEG 5KT 3557 8248
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
TDP1 follow-up statement
695
WWUS52 KGSP 112025
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
425 PM EDT Wed Aug 11 2021
NCC021-112034-
/O.EXP.KGSP.SV.W.0102.000000T0000Z-210811T2030Z/
Buncombe NC-
425 PM EDT Wed Aug 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BUNCOMBE COUNTY
WILL EXPIRE AT 430 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
LAT...LON 3560 8229 3559 8229 3555 8223 3548 8230
3550 8233 3549 8235 3549 8236 3548 8237
3546 8237 3547 8242 3545 8247 3545 8252
3553 8261 3568 8248
TIME...MOT...LOC 2024Z 307DEG 5KT 3555 8244
$$
WJMThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 12:28 PM EDT | Special Weather Statement | GSP | Henderson | 47 min |
| Aug 11, 1:47 PM EDT | Special Weather Statement | GSP | McDowell | 28 min |
| Aug 11, 2:51 PM EDT | Special Weather Statement | GSP | Burke | 24 min |
| Aug 11, 3:01 PM EDT | Severe Thunderstorm Warning | GSP | Burke, Catawba | 44 min |
| Aug 11, 3:24 PM EDT | Special Weather Statement | GSP | Polk | 36 min |
| Aug 11, 3:53 PM EDT | Severe Thunderstorm Warning | GSP | Iredell | 52 min |
| Aug 11, 4:01 PM EDT | Severe Thunderstorm Warning | GSP | Polk | 44 min |
| Aug 11, 4:03 PM EDT | Severe Thunderstorm Warning | GSP | Burke, Cleveland, Lincoln, Rutherford | 42 min |
| Aug 11, 4:24 PM EDT | Special Weather Statement | GSP | Rutherford | 36 min |
| Aug 11, 4:31 PM EDT | Special Weather Statement | GSP | Iredell | 29 min |
| Aug 11, 4:40 PM EDT | Severe Thunderstorm Warning | GSP | Catawba, Iredell | 50 min |
| Aug 11, 4:54 PM EDT | Special Weather Statement | GSP | Rutherford | 36 min |
| Aug 11, 5:02 PM EDT | Special Weather Statement | GSP | Iredell | 28 min |
| Aug 11, 5:08 PM EDT | Severe Thunderstorm Warning | GSP | Iredell, Rowan | 34 min |
| Aug 11, 5:17 PM EDT | Severe Thunderstorm Warning | GSP | Cleveland | 43 min |
| Aug 11, 5:34 PM EDT | Severe Thunderstorm Warning | GSP | Union | 27 min |
| Aug 11, 5:46 PM EDT | Special Weather Statement | GSP | Mecklenburg | 29 min |
| Aug 11, 5:57 PM EDT | Special Weather Statement | GSP | Mecklenburg | 33 min |
| Aug 11, 6:08 PM EDT | Severe Thunderstorm Warning | GSP | Mecklenburg | 10 min |
| Aug 11, 6:10 PM EDT | Special Weather Statement | GSP | Gaston | 35 min |
| Aug 11, 6:16 PM EDT | Special Weather Statement | GSP | Cabarrus | 29 min |
| Aug 11, 6:29 PM EDT | Severe Thunderstorm Warning | GSP | Cabarrus | 20 min |
| Aug 11, 6:47 PM EDT | Special Weather Statement | GSP | Cabarrus | 28 min |
| Aug 11, 6:59 PM EDT | Areal Flood Advisory | GSP | Cabarrus, Rowan | 2 hr |
| Aug 11, 7:28 PM EDT | Special Weather Statement | GSP | Mecklenburg | 32 min |
| Aug 11, 7:31 PM EDT | Severe Thunderstorm Warning | GSP | Mecklenburg | 44 min |
Nearby
Severe Thunderstorm Warnings in North 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.