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, 4:38 PM EDT for Spartanburg County, South Carolina. It was in force for 37 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, 4:38 PM EDT (20:38 UTC)
- Expired
- Aug 7, 2021, 5:15 PM EDT
- In force
- 37 min
- Issued by
- NWS Greenville-Spartanburg, SC
County Spartanburg County, SC
The radar
The Greer radar (KGSP), 15 km from the middle of the area, began a volume at 20:37 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, 8.6 hours before the alert went out and 257 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
- 17 J/kg
- Mixed-layer CIN
- -87 J/kg
- Mixed-layer LCL
- 543 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
273 WWUS82 KGSP 072038 SPSGSP Special Weather Statement National Weather Service Greenville-Spartanburg SC 438 PM EDT Sat Aug 7 2021 SCZ006-007-012-072115- Laurens SC-Spartanburg SC-Greater Greenville SC- 438 PM EDT Sat Aug 7 2021 ...A THUNDERSTORM WILL IMPACT NORTHWESTERN LAURENS...EAST CENTRAL GREENVILLE AND SOUTHWESTERN SPARTANBURG COUNTIES UNTIL 515 PM EDT... At 437 PM EDT, Doppler radar was tracking a thunderstorm 11 miles southeast of Greenville Downtown, or near Simpsonville, moving southeast at 10 mph. Locations to be impacted include... Mauldin, Simpsonville, Five Forks, Fountain Inn and Woodruff. Very heavy rainfall rates up to 2 inches per hour will be possible in these areas. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall may flood areas with poor drainage, such as ditches and underpasses. Avoid these areas and do not cross flooded roads. Water levels of small streams may also rise rapidly. Seek higher ground if threatened by flood waters. && LAT...LON 3477 8234 3486 8219 3475 8196 3458 8222 TIME...MOT...LOC 2037Z 318DEG 7KT 3476 8222 $$ JPT
The 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, 2:20 PM EDT | Special Weather Statement | GSP | Oconee | 40 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.