Alert archive / South Carolina / Special Weather Statements in 2021
Special Weather Statement, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this special weather statement at Aug 7, 2021, 2:20 PM EDT for Oconee County, South Carolina. It was in force for 40 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 7, 2021, 2:20 PM EDT (18:20 UTC)
- Expired
- Aug 7, 2021, 3:00 PM EDT
- In force
- 40 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Hail
- 0.25 in
- Wind
- 40
County Oconee County, SC
The radar
The Greer radar (KGSP), 73 km from the middle of the area, began a volume at 18:24 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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.3 hours before the alert went out and 199 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
- 848 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 799 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted.
213
WWUS82 KGSP 071820
SPSGSP
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
220 PM EDT Sat Aug 7 2021
GAZ018-026-028-SCZ001-004-010-071900-
Hart GA-Franklin GA-Stephens GA-Greater Oconee SC-Anderson SC-
Oconee Mountains SC-
220 PM EDT Sat Aug 7 2021
...A strong thunderstorm will impact portions of northeastern
Franklin, eastern Stephens, northwestern Hart, west central Anderson
and southern Oconee Counties through 300 PM EDT...
At 219 PM EDT, Doppler radar was tracking a strong thunderstorm 9
miles northeast of Toccoa, or 5 miles west of Westminster, moving
southeast at 20 mph.
HAZARD...Winds in excess of 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...
Seneca, Walhalla, Westminster, Lavonia, Gumlog, Avalon, Tugaloo State
Park, Martin, Bowersville and Pendleton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 3437 8307 3467 8336 3480 8317 3467 8285
3465 8284 3465 8283 3464 8283 3463 8285
3462 8285 3465 8281 3464 8278
TIME...MOT...LOC 1819Z 309DEG 16KT 3466 8319
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
$$
JPTThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 8:35 PM EDT | Special Weather Statement | GSP | Swain | 40 min |
| Aug 7, 12:35 PM EDT | Special Weather Statement | GSP | Haywood | 25 min |
| Aug 7, 1:25 PM EDT | Special Weather Statement | GSP | Buncombe | 35 min |
| Aug 7, 1:55 PM EDT | Special Weather Statement | GSP | Yancey | 50 min |
| Aug 7, 2:03 PM EDT | Special Weather Statement | GSP | Henderson, Transylvania | 42 min |
| Aug 7, 2:06 PM EDT | Special Weather Statement | GSP | Burke | 39 min |
| Aug 7, 2:14 PM EDT | Special Weather Statement | GSP | Polk | 46 min |
| Aug 7, 2:47 PM EDT | Special Weather Statement | GSP | Burke, McDowell | 43 min |
| Aug 7, 2:55 PM EDT | Special Weather Statement | GSP | Polk | 50 min |
| Aug 7, 3:35 PM EDT | Special Weather Statement | GSP | Cleveland, Rutherford | 40 min |
| Aug 7, 3:47 PM EDT | Special Weather Statement | GSP | Polk | 43 min |
| Aug 7, 4:06 PM EDT | Special Weather Statement | GSP | McDowell, Mitchell, Yancey | 39 min |
| Aug 7, 4:17 PM EDT | Special Weather Statement | GSP | Cleveland, Rutherford | 43 min |
| Aug 7, 4:20 PM EDT | Special Weather Statement | GSP | Caldwell | 25 min |
| Aug 7, 4:49 PM EDT | Special Weather Statement | GSP | Alexander, Caldwell | 41 min |
| Aug 7, 4:51 PM EDT | Special Weather Statement | GSP | McDowell | 39 min |
| Aug 7, 4:53 PM EDT | Special Weather Statement | GSP | Buncombe | 37 min |
| Aug 7, 5:21 PM EDT | Special Weather Statement | GSP | Caldwell | 39 min |
| Aug 7, 5:32 PM EDT | Special Weather Statement | GSP | Buncombe | 43 min |
| Aug 7, 5:46 PM EDT | Special Weather Statement | GSP | Jackson | 44 min |
| Aug 7, 6:02 PM EDT | Special Weather Statement | GSP | Burke, Caldwell, Catawba | 43 min |
| Aug 7, 6:19 PM EDT | Special Weather Statement | GSP | Alexander, Iredell | 41 min |
| Aug 7, 7:35 PM EDT | Special Weather Statement | GSP | Cabarrus, Rowan | 40 min |
| Aug 7, 1:04 PM EDT | Special Weather Statement | GSP | Oconee | 26 min |
| Aug 7, 1:33 PM EDT | Special Weather Statement | GSP | Oconee | 42 min |
| Aug 7, 4:38 PM EDT | Special Weather Statement | GSP | Spartanburg | 37 min |
| Aug 7, 5:07 PM EDT | Special Weather Statement | GSP | Spartanburg | 38 min |
| Aug 7, 5:48 PM EDT | Special Weather Statement | GSP | Spartanburg | 42 min |
| Aug 7, 3:14 PM EDT | Special Weather Statement | GSP | Franklin, Hart | 46 min |
| Aug 7, 4:07 PM EDT | Special Weather Statement | GSP | Rabun | 38 min |
| Aug 7, 4:47 PM EDT | Special Weather Statement | GSP | Habersham, Rabun | 43 min |
Nearby
Special Weather Statements in South Carolina, 2021Every special weather statement 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.