Alert archive / South Carolina / Special Weather Statements in 2018
Special Weather Statement, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this special weather statement at Aug 8, 2018, 8:26 PM EDT for Union County, South Carolina. It was in force for 49 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 8, 2018, 8:26 PM EDT (00:26 UTC)
- Expired
- Aug 8, 2018, 9:15 PM EDT
- In force
- 49 min
- Issued by
- NWS Greenville-Spartanburg, SC
County Union County, SC
The radar
The Greer radar (KGSP), 68 km from the middle of the area, began a volume at 00:27 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 00:00Z, 0.4 hours before the alert went out and 216 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
- 147 J/kg
- Mixed-layer CIN
- -148 J/kg
- Mixed-layer LCL
- 1370 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -67 m²/s²
- 0-3 km storm-relative helicity
- -90 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
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 8, 8:24 PM EDT, 2 minutes earlier.
Area forecast discussion, Aug 8, 8:24 PM EDT, 2 minutes before
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</html>Hazardous weather outlook, Aug 8, 4:39 AM EDT, 15 hours 47 minutes before
Hazardous Weather Outlook National Weather Service Greenville-Spartanburg SC 439 AM EDT Wed Aug 8 2018 NCZ033-048>053-058-059-062>065-501>507-509-090845- Avery-Madison-Yancey-Mitchell-Swain-Haywood-Buncombe-Graham- Northern Jackson-Macon-Southern Jackson-Transylvania-Henderson- Caldwell Mountains-Greater Caldwell-Burke Mountains-Greater Burke- McDowell Mountains-Eastern McDowell-Rutherford Mountains- Polk Mountains- 439 AM EDT Wed Aug 8 2018 This Hazardous Weather Outlook is for the mountains and northern foothills of western North Carolina. .DAY ONE...Today and tonight. Thunderstorms will develop across the mountains by early afternoon and increase in coverage before racing east through early evening. Any of these thunderstorms will have the potential to produce cloud- to-ground lightning, gusty winds, and heavy rainfall. Isolated flooding may develop in any locations impacted by multiple showers. In addition, a few of the thunderstorms could become severe this afternoon, with damaging wind gusts being the primary threat. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Thunderstorm coverage will remain fairly high each afternoon and evening from Thursday through next Monday. The main impacts will be cloud-to-ground lightning, heavy rainfall, and gusty winds. Isolated flooding will be possible each day as the rainfall totals accrue. .SPOTTER INFORMATION STATEMENT... Spotters are requested to forward any reports of large hail, damaging winds, tornadoes, or flash flooding to our office. GAZ010-017-018-026-028-029-NCZ035>037-056-057-068>072-082-508-510- SCZ001>014-019-090845- Rabun-Habersham-Stephens-Franklin-Hart-Elbert-Alexander-Iredell- Davie-Catawba-Rowan-Cleveland-Lincoln-Gaston-Mecklenburg-Cabarrus- Union-Greater Rutherford-Eastern Polk-Oconee Mountains- Pickens Mountains-Greenville Mountains-Greater Oconee- Greater Pickens-Greater Greenville-Spartanburg-Cherokee-York- Anderson-Abbeville-Laurens-Chester-Greenwood- 439 AM EDT Wed Aug 8 2018 This Hazardous Weather Outlook is for northeast Georgia, the piedmont and southern foothills of western North Carolina, and Upstate South Carolina. .DAY ONE...Today and tonight. Scattered to numerous thunderstorms will develop from the west this afternoon and then race eastward across the piedmont through the evening hours. Any of these thunderstorms will have the potential to produce frequent cloud-to-ground lightning, gusty winds, and heavy rainfall. Isolated flooding may develop in any locations impacted by multiple showers or thunderstorms. In addition, a few of the thunderstorms could become severe this afternoon and evening, with damaging wind gusts being the primary threat. In addition, Heat Index values should reach 95 to 100 degrees this afternoon and evening. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Thunderstorm coverage will remain fairly high each afternoon and evening from Thursday through next Monday. The main impacts will be cloud-to-ground lightning, heavy rainfall, and gusty winds. Isolated flooding will be possible each day as the rainfall totals accrue. Heat Index values of 95 to 100 will be likely once again on Thursday. .SPOTTER INFORMATION STATEMENT... Spotters are requested to forward any reports of large hail, damaging winds, tornadoes, or flash flooding to our office. HG
In the hours before
Special weather statement, Aug 8, 7:25 PM EDT, 1 hour 1 minute before
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</html>Local storm report, Aug 8, 7:56 PM EDT, 30 minutes before
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</html>Local storm report, Aug 8, 7:58 PM EDT, 28 minutes before
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</html>Local storm report, Aug 8, 8:11 PM EDT, 15 minutes before
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</html>Local storm report, Aug 8, 8:14 PM EDT, 12 minutes before
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</html>Special weather statement, Aug 8, 8:26 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 9, 7:37 PM EDT | Special Weather Statement | GSP | Henderson | 23 min |
| Aug 9, 7:59 PM EDT | Special Weather Statement | GSP | Henderson | 31 min |
| Aug 9, 5:08 PM EDT | Special Weather Statement | GSP | Greenville | 52 min |
| Aug 9, 5:08 PM EDT | Severe Thunderstorm Warning | GSP | Laurens | 29 min |
| Aug 9, 5:38 PM EDT | Areal Flood Advisory | GSP | Greenville | 3 hr |
| Aug 9, 5:44 PM EDT | Severe Thunderstorm Warning | GSP | Greenville, Laurens, Spartanburg | 46 min |
| Aug 9, 5:56 PM EDT | Severe Thunderstorm Warning | GSP | Greenville, Pickens | 23 min |
| Aug 9, 6:29 PM EDT | Special Weather Statement | GSP | Laurens | 46 min |
| Aug 9, 6:43 PM EDT | Severe Thunderstorm Warning | GSP | Oconee | 31 min |
| Aug 9, 6:48 PM EDT | Special Weather Statement | GSP | Pickens | 42 min |
| Aug 9, 6:52 PM EDT | Special Weather Statement | GSP | Greenville | 38 min |
| Aug 9, 7:12 PM EDT | Special Weather Statement | GSP | Anderson | 48 min |
| Aug 9, 7:17 PM EDT | Special Weather Statement | GSP | Greenwood | 43 min |
| Aug 9, 7:51 PM EDT | Severe Thunderstorm Warning | GSP | Abbeville, Anderson, Greenwood, Laurens | 24 min |
| Aug 9, 5:48 PM EDT | Special Weather Statement | GSP | Habersham, Stephens | 42 min |
Nearby
Special Weather Statements in South Carolina, 2018Every special weather statement in 2018
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.