Alert archive / North Carolina / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 309, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 15, 2023, 2:10 PM EDT for Davie County, Iredell County, Rowan County, North Carolina. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 15, 2023, 2:10 PM EDT (18:10 UTC)
- Expired
- Aug 15, 2023, 3:00 PM EDT
- In force
- 50 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), 141 km from the middle of the area, began a volume at 18:10 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 |
|---|---|---|---|
| Aug 15, 1:48 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.2 hours before the alert went out and 75 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
- 832 J/kg
- Mixed-layer CIN
- -139 J/kg
- Mixed-layer LCL
- 1002 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- -9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 15, 2:09 PM EDT, 1 minute earlier.
Area forecast discussion, Aug 15, 2:09 PM EDT, 1 minute before
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</html>Hazardous weather outlook, Aug 15, 2:07 PM EDT, 3 minutes before
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</html>In the hours before
Local storm report, Aug 15, 9:04 AM EDT, 5 hours 6 minutes before
Preliminary Local Storm Report
National Weather Service Greenville-Spartanburg SC
904 AM EDT Tue Aug 15 2023
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1111 PM Tstm Wnd Dmg 9 WSW Santeetlah 35.30N 84.01W
08/14/2023 Graham NC 911 Call Center
2 OR 3 trees down not far from the Tennessee
border.
&&
DEOSpecial weather statement, Aug 15, 1:10 PM EDT, 1 hour before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
110 PM EDT Tue Aug 15 2023
GAZ026-151745-
Franklin GA-
110 PM EDT Tue Aug 15 2023
...A strong thunderstorm will impact portions of southern Franklin
County through 145 PM EDT...
At 110 PM EDT, Doppler radar was tracking a strong thunderstorm 4
miles north of Commerce, moving east at 40 mph.
HAZARD...Wind gusts up to 50 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Carnesville, Royston, Canon, Franklin Springs and Victoria Bryant
State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 3425 8334 3426 8334 3433 8339 3439 8338
3440 8310 3436 8311 3435 8311 3434 8310
3431 8310 3427 8311 3424 8317 3425 8320
3424 8325 3426 8330 3423 8335
TIME...MOT...LOC 1710Z 267DEG 35KT 3428 8344
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH
MOORESpecial weather statement, Aug 15, 1:38 PM EDT, 32 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
138 PM EDT Tue Aug 15 2023
NCZ036-037-057-151815-
Rowan NC-Davie NC-Iredell NC-
138 PM EDT Tue Aug 15 2023
...A strong thunderstorm will impact portions of western Davie,
northern Iredell and northwestern Rowan Counties through 215 PM
EDT...
At 137 PM EDT, Doppler radar was tracking a strong thunderstorm 4
miles north of Statesville, moving east at 45 mph.
HAZARD...Wind gusts up to 40 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Statesville, Mocksville, Cooleemee, Harmony, Stony Point,
Turnersburg, Olin, Sheffield, Scotts and Cool Springs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 3576 8097 3582 8105 3593 8101 3604 8058
3582 8049
TIME...MOT...LOC 1737Z 253DEG 41KT 3585 8090
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
MOORESpecial weather statement, Aug 15, 1:54 PM EDT, 16 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
154 PM EDT Tue Aug 15 2023
SCZ010-105-151830-
Anderson SC-Greater Pickens SC-
154 PM EDT Tue Aug 15 2023
...A strong thunderstorm will impact portions of northeastern
Anderson and central Pickens Counties through 230 PM EDT...
At 154 PM EDT, Doppler radar was tracking a strong thunderstorm near
Clemson, or near Central, moving east at 30 mph.
HAZARD...Wind gusts up to 40 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Easley, Clemson, Powdersville, Piedmont, Central, Pendleton, Liberty,
Norris and Six Mile.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3464 8283 3465 8283 3467 8285 3470 8285
3470 8287 3473 8285 3474 8288 3480 8289
3493 8252 3488 8249 3482 8249 3478 8245
3473 8247 3471 8246 3471 8247 3468 8246
3463 8284
TIME...MOT...LOC 1754Z 253DEG 26KT 3474 8279
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
CACThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 8:16 PM EDT | Severe Thunderstorm Warning | GSP | Henderson | 44 min |
| Aug 14, 8:49 PM EDT | Special Weather Statement | GSP | Polk | 26 min |
| Aug 14, 11:01 PM EDT | Severe Thunderstorm Warning | GSP | Graham, Swain | 44 min |
| Aug 14, 11:10 PM EDT | Special Weather Statement | GSP | Haywood | 35 min |
| Aug 14, 11:45 PM EDT | Special Weather Statement | GSP | Graham | 45 min |
| Aug 15, 12:03 AM EDT | Severe Thunderstorm Warning | GSP | Graham, Macon, Swain | 42 min |
| Aug 15, 12:19 AM EDT | Special Weather Statement | GSP | Avery, Madison, Mitchell, Yancey | 26 min |
| Aug 15, 12:30 AM EDT | Severe Thunderstorm Warning | GSP | Avery, Mitchell, Yancey | 45 min |
| Aug 15, 12:45 AM EDT | Special Weather Statement | GSP | Macon | 45 min |
| Aug 15, 12:55 AM EDT | Tornado Warning | GSP | Avery | 14 min |
| Aug 15, 1:12 AM EDT | Special Weather Statement | GSP | Macon | 33 min |
| Aug 15, 1:15 AM EDT | Special Weather Statement | GSP | Avery, Mitchell, Yancey | 30 min |
| Aug 15, 1:29 AM EDT | Areal Flood Advisory | GSP | Graham | 7 hr |
| Aug 15, 1:37 AM EDT | Special Weather Statement | GSP | Caldwell | 38 min |
| Aug 15, 2:03 AM EDT | Special Weather Statement | GSP | Transylvania | 27 min |
| Aug 15, 2:13 AM EDT | Special Weather Statement | GSP | Alexander, Caldwell | 32 min |
| Aug 15, 2:33 AM EDT | Flash Flood Warning | GSP | Graham | 3 hr |
| Aug 15, 3:25 AM EDT | Special Weather Statement | GSP | Graham | 35 min |
| Aug 15, 3:36 AM EDT | Areal Flood Advisory | GSP | Graham, Swain | 6 hr |
| Aug 15, 3:57 AM EDT | Special Weather Statement | GSP | Jackson, Macon | 33 min |
| Aug 15, 1:38 PM EDT | Special Weather Statement | GSP | Davie, Iredell | 37 min |
| Aug 15, 3:02 PM EDT | Special Weather Statement | GSP | Gaston | 28 min |
| Aug 15, 3:06 PM EDT | Severe Thunderstorm Warning | GSP | Gaston, Mecklenburg | 39 min |
| Aug 15, 3:23 PM EDT | Special Weather Statement | GSP | Rowan | 37 min |
| Aug 15, 3:28 PM EDT | Severe Thunderstorm Warning | GSP | Rowan | 18 min |
| Aug 15, 3:39 PM EDT | Severe Thunderstorm Warning | GSP | Cleveland, Gaston | 36 min |
| Aug 15, 3:45 PM EDT | Special Weather Statement | GSP | Cabarrus, Mecklenburg | 30 min |
| Aug 15, 3:58 PM EDT | Severe Thunderstorm Warning | GSP | Cabarrus, Mecklenburg | 40 min |
| Aug 15, 4:09 PM EDT | Severe Thunderstorm Warning | GSP | Gaston, Mecklenburg | 36 min |
| Aug 15, 4:28 PM EDT | Severe Thunderstorm Warning | GSP | Cabarrus, Mecklenburg | 32 min |
| Aug 15, 4:37 PM EDT | Special Weather Statement | GSP | Mecklenburg | 23 min |
| Aug 15, 4:44 PM EDT | Severe Thunderstorm Warning | GSP | Cabarrus, Mecklenburg | 31 min |
| Aug 15, 4:50 PM EDT | Special Weather Statement | GSP | Union | 25 min |
| Aug 15, 5:03 PM EDT | Severe Thunderstorm Warning | GSP | Union | 27 min |
| Aug 14, 8:02 PM EDT | Special Weather Statement | GSP | Pickens | 28 min |
| Aug 14, 9:19 PM EDT | Special Weather Statement | GSP | Greenville, Spartanburg | 41 min |
| Aug 15, 1:52 PM EDT | Severe Thunderstorm Warning | GSP | Abbeville, Anderson | 31 min |
| Aug 15, 1:54 PM EDT | Special Weather Statement | GSP | Pickens | 36 min |
| Aug 15, 2:19 PM EDT | Severe Thunderstorm Warning | GSP | Abbeville | 41 min |
| Aug 15, 2:35 PM EDT | Special Weather Statement | GSP | Greenville | 25 min |
| Aug 15, 2:44 PM EDT | Severe Thunderstorm Warning | GSP | Abbeville, Greenwood | 46 min |
| Aug 15, 2:59 PM EDT | Special Weather Statement | GSP | Spartanburg | 31 min |
| Aug 15, 3:07 PM EDT | Special Weather Statement | GSP | Laurens | 38 min |
| Aug 15, 3:19 PM EDT | Severe Thunderstorm Warning | GSP | Cherokee, Spartanburg, Union, York | 41 min |
| Aug 15, 3:26 PM EDT | Special Weather Statement | GSP | Greenwood | 34 min |
| Aug 15, 3:43 PM EDT | Special Weather Statement | GSP | Chester, Union | 47 min |
| Aug 15, 3:59 PM EDT | Severe Thunderstorm Warning | GSP | Cherokee, York | 20 min |
| Aug 15, 4:14 PM EDT | Severe Thunderstorm Warning | GSP | Chester | 46 min |
| Aug 15, 1:10 PM EDT | Special Weather Statement | GSP | Franklin | 35 min |
| Aug 15, 1:43 PM EDT | Severe Thunderstorm Warning | GSP | Elbert | 47 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2023Every severe thunderstorm warning in 2023
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.