Alert archive / South Carolina / Special Weather Statements in 2020
Special Weather Statement, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this special weather statement at Aug 30, 2020, 9:13 PM EDT for Oconee County, South Carolina. It was in force for 32 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 30, 2020, 9:13 PM EDT (01:13 UTC)
- Expired
- Aug 30, 2020, 9:45 PM EDT
- In force
- 32 min
- Issued by
- NWS Greenville-Spartanburg, SC
County Oconee County, SC
The radar
The Greer radar (KGSP), 101 km from the middle of the area, began a volume at 01:13 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
Nashville Metro, TN (KBNA), launched 00:00Z, 1.2 hours before the alert went out and 339 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
- 473 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 875 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Aug 30, 8:12 PM EDT, 1 hour 1 minute earlier.
Area forecast discussion, Aug 30, 8:12 PM EDT, 1 hour 1 minute before
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</html>Hazardous weather outlook, Aug 30, 8:43 PM EDT, 30 minutes before
Hazardous Weather Outlook National Weather Service Greenville-Spartanburg SC 843 PM EDT Sun Aug 30 2020 GAZ010-017-018-026-028-029-NCZ051-052-058-059-062>064-SCZ001-002-004- 005-010-011-019-010045- Rabun-Habersham-Stephens-Franklin-Hart-Elbert-Swain-Haywood-Graham- Northern Jackson-Macon-Southern Jackson-Transylvania- Oconee Mountains-Pickens Mountains-Greater Oconee-Greater Pickens- Anderson-Abbeville-Greenwood- 843 PM EDT Sun Aug 30 2020 This Hazardous Weather Outlook is for northeast Georgia, western North Carolina and upstate South Carolina. .DAY ONE...Tonight. Scattered showers and thunderstorms are expected to develop late evening and into the overnight across southwest North Carolina, northeast Georgia and the western Upstate. The main threat will be cloud-to-ground lightning and heavy downpours, but one or two could become strong enough to produce damaging wind gusts. The storms may continue to develop through the overnight period. While the threat of severe storms will diminish by the late evening, the potential for localized flash flooding will increase. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Scattered to numerous thunderstorms can be expected on Monday. A few storms may become severe, producing damaging winds, frequent lightning, and locally heavy rainfall. .SPOTTER INFORMATION STATEMENT... None. NCZ033-035>037-048>050-053-056-057-065-068>072-082-501>510-SCZ003- 006>009-012>014-010045- Avery-Alexander-Iredell-Davie-Madison-Yancey-Mitchell-Buncombe- Catawba-Rowan-Henderson-Cleveland-Lincoln-Gaston-Mecklenburg- Cabarrus-Union NC-Caldwell Mountains-Greater Caldwell- Burke Mountains-Greater Burke-McDowell Mountains-Eastern McDowell- Rutherford Mountains-Greater Rutherford-Polk Mountains-Eastern Polk- Greenville Mountains-Greater Greenville-Spartanburg-Cherokee-York- Laurens-Union SC-Chester- 843 PM EDT Sun Aug 30 2020 This Hazardous Weather Outlook is for piedmont North Carolina, western North Carolina and upstate South Carolina. .DAY ONE...Tonight. Scattered showers and thunderstorms may develop after midnight through the pre-dawn hours Monday from southwest to Northeast across the Upstate and western North Carolina. Cloud-to-ground lightning and heavy downpours will be the primary threats. Localized flash flooding cannot be ruled out. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Scattered to numerous thunderstorms can be expected on Monday. A few storms may become severe, producing damaging winds, frequent lightning, and locally heavy rainfall. Isolated flash flooding will be possible. .SPOTTER INFORMATION STATEMENT... None. ARK
In the hours before
Special weather statement, Aug 30, 7:14 PM EDT, 1 hour 59 minutes before
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</html>Local storm report, Aug 30, 8:21 PM EDT, 52 minutes before
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</html>Special weather statement, Aug 30, 8:43 PM EDT, 30 minutes before
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</html>Special weather statement, Aug 30, 9:13 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 11:06 PM EDT | Areal Flood Advisory | GSP | Graham, Swain | 114 min |
| Aug 30, 11:47 PM EDT | Special Weather Statement | GSP | Henderson | 43 min |
| Aug 31, 12:09 AM EDT | Special Weather Statement | GSP | Polk | 36 min |
| Aug 31, 12:22 AM EDT | Special Weather Statement | GSP | Henderson, Polk | 38 min |
| Aug 31, 12:59 AM EDT | Special Weather Statement | GSP | McDowell, Polk, Rutherford | 46 min |
| Aug 31, 1:32 AM EDT | Special Weather Statement | GSP | McDowell, Polk, Rutherford | 28 min |
| Aug 31, 2:00 AM EDT | Special Weather Statement | GSP | Burke, Caldwell, Cleveland, McDowell, Rutherford | 45 min |
| Aug 31, 2:13 AM EDT | Special Weather Statement | GSP | Cleveland | 32 min |
| Aug 31, 2:42 AM EDT | Special Weather Statement | GSP | Burke, Caldwell, Cleveland, Gaston, Lincoln | 63 min |
| Aug 31, 3:01 AM EDT | Severe Thunderstorm Warning | GSP | Catawba, Cleveland, Lincoln | 29 min |
| Aug 31, 3:23 AM EDT | Special Weather Statement | GSP | Alexander, Caldwell, Catawba, Lincoln | 52 min |
| Aug 31, 3:53 AM EDT | Flash Flood Watch | GSP | Alexander, Avery, Burke, Cabarrus, Caldwell, Catawba and 9 more | 22 hr |
| Aug 31, 5:14 AM EDT | Special Weather Statement | GSP | Rowan | 46 min |
| Aug 31, 5:19 AM EDT | Special Weather Statement | GSP | Mecklenburg | 41 min |
| Aug 31, 5:51 AM EDT | Special Weather Statement | GSP | Cabarrus | 39 min |
| Aug 31, 5:57 AM EDT | Special Weather Statement | GSP | Rowan | 48 min |
| Aug 31, 6:29 AM EDT | Severe Thunderstorm Warning | GSP | Cabarrus, Mecklenburg | 61 min |
| Aug 31, 8:44 AM EDT | Areal Flood Advisory | GSP | Cabarrus | 4 hr |
| Aug 31, 10:01 AM EDT | Special Weather Statement | GSP | Union | 44 min |
| Aug 31, 10:10 AM EDT | Severe Thunderstorm Warning | GSP | Union | 50 min |
| Aug 31, 10:54 AM EDT | Areal Flood Advisory | GSP | Mecklenburg | 2 hr |
| Aug 31, 11:00 AM EDT | Special Weather Statement | GSP | Union | 30 min |
| Aug 31, 11:20 AM EDT | Special Weather Statement | GSP | Union | 25 min |
| Aug 31, 1:38 PM EDT | Special Weather Statement | GSP | Mecklenburg | 37 min |
| Aug 31, 2:43 PM EDT | Special Weather Statement | GSP | Davie | 47 min |
| Aug 31, 3:32 PM EDT | Areal Flood Advisory | GSP | Rowan | 4 hr |
| Aug 31, 3:41 PM EDT | Special Weather Statement | GSP | Rowan | 34 min |
| Aug 31, 3:47 PM EDT | Special Weather Statement | GSP | Union | 43 min |
| Aug 30, 10:02 PM EDT | Areal Flood Advisory | GSP | Oconee | 4 hr |
| Aug 30, 10:13 PM EDT | Special Weather Statement | GSP | Oconee | 32 min |
| Aug 30, 10:44 PM EDT | Special Weather Statement | GSP | Oconee, Pickens | 31 min |
| Aug 30, 11:08 PM EDT | Special Weather Statement | GSP | Oconee, Pickens | 37 min |
| Aug 31, 12:18 AM EDT | Special Weather Statement | GSP | Greenville | 27 min |
| Aug 31, 12:41 AM EDT | Special Weather Statement | GSP | Greenville, Spartanburg | 34 min |
| Aug 31, 1:10 AM EDT | Special Weather Statement | GSP | Spartanburg | 35 min |
| Aug 31, 12:12 PM EDT | Special Weather Statement | GSP | Chester | 33 min |
| Aug 31, 12:40 PM EDT | Severe Thunderstorm Warning | GSP | Chester | 50 min |
| Aug 31, 1:27 PM EDT | Severe Thunderstorm Warning | GSP | Chester | 33 min |
| Aug 31, 1:57 PM EDT | Special Weather Statement | GSP | Chester | 33 min |
| Aug 30, 8:12 PM EDT | Special Weather Statement | GSP | Habersham, Stephens | 33 min |
| Aug 30, 8:43 PM EDT | Special Weather Statement | GSP | Stephens | 32 min |
| Aug 30, 9:44 PM EDT | Special Weather Statement | GSP | Stephens | 31 min |
| Aug 30, 9:54 PM EDT | Special Weather Statement | GSP | Franklin, Hart | 21 min |
| Aug 30, 9:58 PM EDT | Special Weather Statement | GSP | Habersham | 17 min |
| Aug 30, 10:14 PM EDT | Areal Flood Advisory | GSP | Habersham | 4 hr |
Nearby
Special Weather Statements in South Carolina, 2020Every special weather statement in 2020
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.