Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 83, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 10, 2021, 3:04 PM EDT for Henderson County, Transylvania County, North Carolina. It was in force for 29 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 10, 2021, 3:04 PM EDT (19:04 UTC)
- Expired
- Aug 10, 2021, 3:33 PM EDT
- In force
- 29 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Henderson County, NC, Transylvania County, NC
The radar
The Greer radar (KGSP), 46 km from the middle of the area, began a volume at 19:05 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, 7.1 hours before the alert went out and 263 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
- 1302 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 948 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
233
WUUS52 KGSP 101904
SVRGSP
NCC089-175-101945-
/O.NEW.KGSP.SV.W.0083.210810T1904Z-210810T1945Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Greenville-Spartanburg SC
304 PM EDT Tue Aug 10 2021
The National Weather Service in Greenville-Spartanburg has issued a
* Severe Thunderstorm Warning for...
Southeastern Transylvania County in western North Carolina...
South central Henderson County in western North Carolina...
* Until 345 PM EDT.
* At 303 PM EDT, a severe thunderstorm was located 4 miles east of
Brevard, or near Dupont State Forest, moving east 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...
Brevard, Dupont State Forest, Little River In Transylvania County,
Crab Creek, Cedar Mountain, Penrose and Connestee.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
Torrential rainfall is occurring with this storm, and may lead to
minor flooding. Do not drive your vehicle through flooded roadways.
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 3518 8246 3517 8249 3516 8250 3517 8250
3516 8253 3516 8255 3515 8257 3514 8261
3513 8263 3513 8264 3512 8266 3513 8268
3511 8269 3511 8272 3526 8277 3528 8252
TIME...MOT...LOC 1903Z 261DEG 5KT 3523 8265
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
CAC2 follow-up statements
151
WWUS52 KGSP 101920
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
320 PM EDT Tue Aug 10 2021
NCC089-101930-
/O.CAN.KGSP.SV.W.0083.000000T0000Z-210810T1945Z/
Henderson NC-
320 PM EDT Tue Aug 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL HENDERSON COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3526 8262 3526 8260 3519 8260 3518 8259
3515 8267 3516 8274 3526 8277 3527 8261
TIME...MOT...LOC 1920Z 261DEG 5KT 3523 8262
$$
NCC175-101945-
/O.CON.KGSP.SV.W.0083.000000T0000Z-210810T1945Z/
Transylvania NC-
320 PM EDT Tue Aug 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR EAST CENTRAL TRANSYLVANIA COUNTY...
At 320 PM EDT, a severe thunderstorm was located 6 miles east of
Brevard, or near Dupont State Forest, moving east 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...
Brevard, Dupont State Forest, Connestee, Little River In Transylvania
County and Penrose.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
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.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
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 3526 8262 3526 8260 3519 8260 3518 8259
3515 8267 3516 8274 3526 8277 3527 8261
TIME...MOT...LOC 1920Z 261DEG 5KT 3523 8262
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
CAC424
WWUS52 KGSP 101933
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
333 PM EDT Tue Aug 10 2021
NCC175-101943-
/O.CAN.KGSP.SV.W.0083.000000T0000Z-210810T1945Z/
Transylvania NC-
333 PM EDT Tue Aug 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL TRANSYLVANIA
COUNTY IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However heavy rain is
still possible with this thunderstorm.
LAT...LON 3526 8262 3526 8260 3519 8260 3518 8259
3515 8267 3516 8274 3526 8277 3527 8261
TIME...MOT...LOC 1929Z 261DEG 5KT 3523 8260
$$
CACThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 8:00 PM EDT | Special Weather Statement | GSP | Haywood | 45 min |
| Aug 9, 8:45 PM EDT | Special Weather Statement | GSP | Haywood | 45 min |
| Aug 9, 9:11 PM EDT | Areal Flood Advisory | GSP | Buncombe, Haywood | 70 min |
| Aug 9, 9:19 PM EDT | Special Weather Statement | GSP | McDowell | 26 min |
| Aug 10, 1:19 PM EDT | Special Weather Statement | GSP | Caldwell | 26 min |
| Aug 10, 1:46 PM EDT | Special Weather Statement | GSP | Caldwell | 44 min |
| Aug 10, 2:13 PM EDT | Special Weather Statement | GSP | Buncombe | 32 min |
| Aug 10, 2:22 PM EDT | Severe Thunderstorm Warning | GSP | Burke, Caldwell | 28 min |
| Aug 10, 2:46 PM EDT | Special Weather Statement | GSP | Buncombe | 29 min |
| Aug 10, 2:49 PM EDT | Special Weather Statement | GSP | Henderson | 26 min |
| Aug 10, 2:58 PM EDT | Special Weather Statement | GSP | Graham | 32 min |
| Aug 10, 3:11 PM EDT | Special Weather Statement | GSP | McDowell | 34 min |
| Aug 10, 3:22 PM EDT | Special Weather Statement | GSP | Rutherford | 23 min |
| Aug 10, 3:26 PM EDT | Special Weather Statement | GSP | Burke | 34 min |
| Aug 10, 3:31 PM EDT | Special Weather Statement | GSP | McDowell | 29 min |
| Aug 10, 3:37 PM EDT | Special Weather Statement | GSP | Transylvania | 23 min |
| Aug 10, 3:55 PM EDT | Special Weather Statement | GSP | McDowell | 35 min |
| Aug 10, 3:57 PM EDT | Special Weather Statement | GSP | Madison | 33 min |
| Aug 10, 4:10 PM EDT | Special Weather Statement | GSP | Burke | 35 min |
| Aug 10, 4:13 PM EDT | Severe Thunderstorm Warning | GSP | Buncombe, Madison | 30 min |
| Aug 10, 4:25 PM EDT | Special Weather Statement | GSP | Macon | 35 min |
| Aug 10, 4:29 PM EDT | Special Weather Statement | GSP | Union | 31 min |
| Aug 10, 4:30 PM EDT | Special Weather Statement | GSP | Polk | 30 min |
| Aug 10, 4:31 PM EDT | Special Weather Statement | GSP | McDowell | 29 min |
| Aug 10, 4:45 PM EDT | Severe Thunderstorm Warning | GSP | Rutherford | 32 min |
| Aug 10, 4:50 PM EDT | Special Weather Statement | GSP | Polk | 25 min |
| Aug 10, 4:52 PM EDT | Special Weather Statement | GSP | Transylvania | 38 min |
| Aug 10, 4:54 PM EDT | Special Weather Statement | GSP | Avery | 36 min |
| Aug 10, 4:57 PM EDT | Special Weather Statement | GSP | Yancey | 33 min |
| Aug 10, 5:02 PM EDT | Severe Thunderstorm Warning | GSP | Yancey | 28 min |
| Aug 10, 5:06 PM EDT | Special Weather Statement | GSP | Cleveland | 24 min |
| Aug 10, 5:07 PM EDT | Severe Thunderstorm Warning | GSP | Avery, Burke, McDowell | 38 min |
| Aug 10, 5:08 PM EDT | Special Weather Statement | GSP | Macon | 37 min |
| Aug 10, 5:20 PM EDT | Special Weather Statement | GSP | Polk | 25 min |
| Aug 10, 5:27 PM EDT | Special Weather Statement | GSP | Cabarrus | 33 min |
| Aug 10, 5:37 PM EDT | Special Weather Statement | GSP | Jackson | 23 min |
| Aug 10, 5:52 PM EDT | Areal Flood Advisory | GSP | Yancey | 113 min |
| Aug 10, 6:00 PM EDT | Special Weather Statement | GSP | Macon | 30 min |
| Aug 10, 6:05 PM EDT | Special Weather Statement | GSP | Cleveland | 25 min |
| Aug 10, 6:14 PM EDT | Special Weather Statement | GSP | Graham | 31 min |
| Aug 10, 6:24 PM EDT | Severe Thunderstorm Warning | GSP | Graham, Swain | 51 min |
| Aug 10, 6:28 PM EDT | Special Weather Statement | GSP | Mecklenburg | 32 min |
| Aug 10, 6:54 PM EDT | Special Weather Statement | GSP | Macon | 51 min |
| Aug 10, 7:07 PM EDT | Special Weather Statement | GSP | Mecklenburg | 38 min |
| Aug 10, 7:47 PM EDT | Severe Thunderstorm Warning | GSP | Cabarrus, Mecklenburg | 24 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.