Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 81, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 1, 2021, 5:14 AM EDT for Davie County, Iredell County, North Carolina. It was in force for 46 min. 3 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 1, 2021, 5:14 AM EDT (09:14 UTC)
- Expired
- Aug 1, 2021, 6:00 AM EDT
- In force
- 46 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
The radar
The Roanoke radar (KFCX), 120 km from the middle of the area, began a volume at 09:16 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 1, 5:30 AM EDT | TSTM WND DMG | 6 Nnw Mocksville, NC | A REPORT OF A TREE DOWN AND A FEW LARGE LIMBS IN A NEARBY ROADWAY. |
| Aug 1, 5:30 AM EDT | HAIL 1 | 5 Wnw Farmington, NC | REPORT FROM SOCIAL MEDIA |
| Aug 1, 5:35 AM EDT | HAIL 1 | Farmington, NC | 8 INCH DIAMETER MAPLE LIMB DOWN AS WELL. REPORT FROM SOCIAL MEDIA. |
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 00:00Z, 9.2 hours before the alert went out and 53 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
- 36 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 1676 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
726
WUUS52 KGSP 010914
SVRGSP
NCC059-097-011000-
/O.NEW.KGSP.SV.W.0081.210801T0914Z-210801T1000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Greenville-Spartanburg SC
514 AM EDT Sun Aug 1 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...
* Until 600 AM EDT.
* At 514 AM EDT, a severe thunderstorm was located 10 miles southwest
of Yadkinville, or near Harmony, moving east at 25 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...
Mocksville, Bermuda Run, Harmony, Fork Church, Advance,
Turnersburg, Sheffield, Farmington and Olin.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Scattered trees and power lines will be blown down in the warned
area. Seek shelter inside an interior room.
This storm is producing frequent and intense lightning. Turn off
electrical appliances. Do not use corded telephones. Do not take a
bath or shower.
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 3589 8040 3588 8042 3587 8040 3590 8083
3605 8083 3604 8049 3606 8046 3603 8044
3600 8041 3599 8042 3596 8038 3592 8037
3591 8038 3589 8037
TIME...MOT...LOC 0914Z 268DEG 23KT 3599 8074
HAIL...1.00IN
WIND...60MPH
$$
RWH2 follow-up statements
715
WWUS52 KGSP 010938
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
538 AM EDT Sun Aug 1 2021
NCC097-010947-
/O.CAN.KGSP.SV.W.0081.000000T0000Z-210801T1000Z/
Iredell NC-
538 AM EDT Sun Aug 1 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN IREDELL COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore the warning has been cancelled.
LAT...LON 3589 8037 3589 8040 3588 8042 3587 8040
3589 8071 3605 8069 3604 8049 3606 8046
3605 8046 3600 8041 3599 8042 3596 8038
3592 8037 3591 8038
TIME...MOT...LOC 0937Z 268DEG 23KT 3600 8055
$$
NCC059-011000-
/O.CON.KGSP.SV.W.0081.000000T0000Z-210801T1000Z/
Davie NC-
538 AM EDT Sun Aug 1 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 AM EDT
FOR DAVIE COUNTY...
At 537 AM EDT, a severe thunderstorm was located 6 miles north of
Mocksville, or 6 miles south of Huntsville, moving east at 25 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...
Mocksville, Bermuda Run, Sheffield, Fork Church, Advance and
Farmington.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Scattered trees and power lines will be blown down in the warned
area. Seek shelter inside an interior room.
This storm is producing frequent and intense lightning. Turn off
electrical appliances. Do not use corded telephones. Do not take a
bath or shower.
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 3589 8037 3589 8040 3588 8042 3587 8040
3589 8071 3605 8069 3604 8049 3606 8046
3605 8046 3600 8041 3599 8042 3596 8038
3592 8037 3591 8038
TIME...MOT...LOC 0937Z 268DEG 23KT 3600 8055
HAIL...1.00IN
WIND...60MPH
$$
RWH415
WWUS52 KGSP 011000
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
600 AM EDT Sun Aug 1 2021
NCC059-011010-
/O.EXP.KGSP.SV.W.0081.000000T0000Z-210801T1000Z/
Davie NC-
600 AM EDT Sun Aug 1 2021
...THE SEVERE THUNDERSTORM WARNING FOR DAVIE COUNTY HAS EXPIRED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning has been allowed to expire. However gusty
winds are still possible with this thunderstorm.
LAT...LON 3589 8037 3589 8040 3588 8042 3587 8040
3589 8071 3605 8069 3604 8049 3606 8046
3605 8046 3600 8041 3599 8042 3596 8038
3592 8037 3591 8038
TIME...MOT...LOC 1000Z 268DEG 23KT 3600 8038
$$
RWHThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 2:50 AM EDT | Special Weather Statement | GSP | Graham, Swain | 25 min |
| Aug 1, 3:15 AM EDT | Special Weather Statement | GSP | Graham, Swain | 30 min |
| Aug 1, 4:26 AM EDT | Special Weather Statement | GSP | Yadkin | 34 min |
| Aug 1, 4:31 AM EDT | Severe Thunderstorm Warning | GSP | Davie, Iredell | 44 min |
| Aug 1, 2:14 PM EDT | Special Weather Statement | GSP | Iredell | 31 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.