Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 142, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 14, 2021, 4:00 PM EDT for Davie County, Iredell County, Rowan County, North Carolina. It was in force for 45 min. 7 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 14, 2021, 4:00 PM EDT (20:00 UTC)
- Expired
- Aug 14, 2021, 4:45 PM EDT
- In force
- 45 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Davie County, NC, Iredell County, NC, Rowan County, NC
The radar
The Roanoke radar (KFCX), 117 km from the middle of the area, began a volume at 20:02 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 14, 4:25 PM EDT | TSTM WND DMG | 1 Nne Harmony, NC | EMERGENCY MNGR REPORTED TREES DOWN ON POWELL BRIDGE RD |
| Aug 14, 4:25 PM EDT | TSTM WND DMG | 2 Wnw Harmony, NC | EMERGENCY MNGR REPORTED TREES DOWN ON STACK RD |
| Aug 14, 4:25 PM EDT | TSTM WND DMG | 3 Wnw Harmony, NC | EMERGENCY MNGR REPORTED TREES DOWN ON TABOR RD. |
| Aug 14, 4:35 PM EDT | TSTM WND DMG | Turnersburg, NC | EMERGENCY MNGR REPORTED POWER LINES DOWN |
| Aug 14, 4:40 PM EDT | TSTM WND DMG | 1 Nw Turnersburg, NC | FIRE DEPT REPORTED POWERLINES DOWN ON TOMLIN MILL RD. |
| Aug 14, 4:45 PM EDT | TSTM WND DMG | 2 Sw Harmony, NC | NUMEROUS TREES DOWN IN THE HARMONY AND TURNERSBURG AREA. FIRE DEPARTMENT CREW SPENT HOURS CUTTING UP TREES TO GET THEM OUT OF THE ROADWAY. |
| Aug 14, 4:45 PM EDT | TSTM WND DMG | 3 Wnw Turnersburg, NC | FIRE DEPT REPORTED RV FLIPPED OVER ON I77 AT TOMLIN MILL RD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.0 hours before the alert went out and 58 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
- 1624 J/kg
- Mixed-layer CIN
- -77 J/kg
- Mixed-layer LCL
- 954 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
362
WUUS52 KGSP 142000
SVRGSP
NCC059-097-159-142045-
/O.NEW.KGSP.SV.W.0142.210814T2000Z-210814T2045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Greenville-Spartanburg SC
400 PM EDT Sat Aug 14 2021
The National Weather Service in Greenville-Spartanburg has issued a
* Severe Thunderstorm Warning for...
Davie County in the Piedmont of North Carolina...
Northeastern Iredell County in the Piedmont of North Carolina...
North central Rowan County in the Piedmont of North Carolina...
* Until 445 PM EDT.
* At 400 PM EDT, a severe thunderstorm was located 8 miles south of
Yadkinville, or 4 miles south of Lone Hickory, and is nearly
stationary.
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...
Mocksville, Bermuda Run, Cooleemee, Harmony, Turnersburg, Olin,
Sheffield, Farmington, Woodleaf and Cool Springs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
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 3598 8042 3576 8056 3593 8087 3605 8077
3605 8050 3604 8049 3606 8046 3603 8044
3601 8042
TIME...MOT...LOC 2000Z 299DEG 2KT 3601 8070
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
HG1 follow-up statement
451
WWUS52 KGSP 142014
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
414 PM EDT Sat Aug 14 2021
NCC059-097-159-142045-
/O.CON.KGSP.SV.W.0142.000000T0000Z-210814T2045Z/
Davie NC-Iredell NC-Rowan NC-
414 PM EDT Sat Aug 14 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR DAVIE...NORTHEASTERN IREDELL AND NORTH CENTRAL ROWAN COUNTIES...
At 414 PM EDT, a severe thunderstorm was located 11 miles southwest
of Yadkinville, or near Harmony, and is nearly stationary.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor hail damage to vehicles is expected. Expect wind
damage to trees and power lines.
Locations impacted include...
Mocksville, Bermuda Run, Cooleemee, Harmony, Turnersburg, Olin,
Sheffield, Farmington, Woodleaf and Cool Springs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
Please report damaging winds, hail, or flooding to the National
Weather Service by calling toll free, 1, 800, 2 6 7, 8 1 0 1, or by
posting on our Facebook page, or Tweet it using hashtag nwsgsp. Your
message should describe the event and the specific location where it
occurred.
&&
LAT...LON 3598 8042 3576 8056 3593 8087 3605 8077
3605 8050 3604 8049 3606 8046 3603 8044
3601 8042
TIME...MOT...LOC 2014Z 336DEG 3KT 3599 8075
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
HGThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 8:37 PM EDT | Special Weather Statement | GSP | Cabarrus | 23 min |
| Aug 13, 9:10 PM EDT | Special Weather Statement | GSP | Cabarrus | 35 min |
| Aug 13, 11:13 PM EDT | Special Weather Statement | GSP | Rowan | 32 min |
| Aug 13, 11:15 PM EDT | Severe Thunderstorm Warning | GSP | Davie, Rowan | 45 min |
| Aug 13, 11:45 PM EDT | Special Weather Statement | GSP | Cabarrus | 30 min |
| Aug 13, 11:49 PM EDT | Special Weather Statement | GSP | Rowan | 26 min |
| Aug 14, 12:10 AM EDT | Special Weather Statement | GSP | Rowan | 35 min |
| Aug 14, 12:17 AM EDT | Special Weather Statement | GSP | Cabarrus | 28 min |
| Aug 14, 12:31 AM EDT | Areal Flood Advisory | GSP | Rowan | 119 min |
| Aug 14, 12:33 AM EDT | Severe Thunderstorm Warning | GSP | Cabarrus, Rowan | 42 min |
| Aug 14, 1:02 AM EDT | Special Weather Statement | GSP | Rowan | 28 min |
| Aug 14, 1:13 AM EDT | Special Weather Statement | GSP | Rowan | 32 min |
| Aug 14, 1:32 AM EDT | Areal Flood Advisory | GSP | Cabarrus, Rowan | 118 min |
| Aug 14, 1:37 AM EDT | Special Weather Statement | GSP | Rowan | 23 min |
| Aug 14, 2:03 AM EDT | Flash Flood Warning | GSP | Cabarrus | 117 min |
| Aug 14, 2:17 PM EDT | Special Weather Statement | GSP | Lincoln | 28 min |
| Aug 14, 2:19 PM EDT | Special Weather Statement | GSP | Union | 26 min |
| Aug 14, 2:33 PM EDT | Severe Thunderstorm Warning | GSP | Mecklenburg, Union | 42 min |
| Aug 14, 2:43 PM EDT | Severe Thunderstorm Warning | GSP | Union | 47 min |
| Aug 14, 2:46 PM EDT | Special Weather Statement | GSP | Catawba, Lincoln | 29 min |
| Aug 14, 2:53 PM EDT | Severe Thunderstorm Warning | GSP | Catawba, Lincoln | 33 min |
| Aug 14, 3:04 PM EDT | Severe Thunderstorm Warning | GSP | Henderson, Transylvania | 21 min |
| Aug 14, 3:13 PM EDT | Severe Thunderstorm Warning | GSP | Mecklenburg | 47 min |
| Aug 14, 3:30 PM EDT | Special Weather Statement | GSP | Mecklenburg | 30 min |
| Aug 14, 3:39 PM EDT | Severe Thunderstorm Warning | GSP | Mecklenburg, Union | 51 min |
| Aug 14, 4:08 PM EDT | Special Weather Statement | GSP | Burke | 37 min |
| Aug 14, 4:12 PM EDT | Areal Flood Advisory | GSP | Mecklenburg | 96 min |
| Aug 14, 4:22 PM EDT | Severe Thunderstorm Warning | GSP | Buncombe, Henderson | 53 min |
| Aug 14, 4:25 PM EDT | Severe Thunderstorm Warning | GSP | Burke, Caldwell | 50 min |
| Aug 14, 4:28 PM EDT | Special Weather Statement | GSP | Union | 32 min |
| Aug 14, 4:33 PM EDT | Severe Thunderstorm Warning | GSP | Davie, Iredell, Rowan | 42 min |
| Aug 14, 4:34 PM EDT | Severe Thunderstorm Warning | GSP | Burke, McDowell, Rutherford | 41 min |
| Aug 14, 4:35 PM EDT | Severe Thunderstorm Warning | GSP | McDowell, Rutherford | 40 min |
| Aug 14, 4:45 PM EDT | Special Weather Statement | GSP | Transylvania | 30 min |
| Aug 14, 4:55 PM EDT | Severe Thunderstorm Warning | GSP | Burke, McDowell, Rutherford | 50 min |
| Aug 14, 5:01 PM EDT | Special Weather Statement | GSP | Buncombe | 29 min |
| Aug 14, 5:14 PM EDT | Special Weather Statement | GSP | Iredell | 31 min |
| Aug 14, 5:16 PM EDT | Special Weather Statement | GSP | Polk | 29 min |
| Aug 14, 5:27 PM EDT | Areal Flood Advisory | GSP | Caldwell | 2 hr |
| Aug 14, 5:42 PM EDT | Special Weather Statement | GSP | Jackson | 33 min |
| Aug 14, 5:44 PM EDT | Special Weather Statement | GSP | Polk | 31 min |
| Aug 14, 5:53 PM EDT | Special Weather Statement | GSP | Henderson | 37 min |
| Aug 14, 6:02 PM EDT | Areal Flood Advisory | GSP | McDowell | 118 min |
| Aug 14, 6:20 PM EDT | Special Weather Statement | GSP | Swain | 25 min |
| Aug 14, 6:51 PM EDT | Areal Flood Advisory | GSP | Buncombe, McDowell, Rutherford | 114 min |
| Aug 14, 7:38 PM EDT | Areal Flood Advisory | GSP | Buncombe, Henderson | 112 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.