Alert archive / South Carolina / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 124, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 20, 2018, 3:03 PM EDT for Greenville County, South Carolina. It was in force for 42 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
- Jun 20, 2018, 3:03 PM EDT (19:03 UTC)
- Expired
- Jun 20, 2018, 3:45 PM EDT
- In force
- 42 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Greenville County, SC
The radar
The Greer radar (KGSP), 14 km from the middle of the area, began a volume at 19:03 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, 7.1 hours before the alert went out and 260 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
- 212 J/kg
- Mixed-layer CIN
- -109 J/kg
- Mixed-layer LCL
- 1324 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Jun 19, 7:37 PM EDT, 19 hours 26 minutes earlier.
Area forecast discussion, Jun 19, 7:37 PM EDT, 19 hours 26 minutes before
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</html>Hazardous weather outlook, Jun 19, 4:19 PM EDT, 22 hours 44 minutes before
Hazardous Weather Outlook National Weather Service Greenville-Spartanburg SC 419 PM EDT Tue Jun 19 2018 GAZ010-017-NCZ033-035-036-048>053-056-058-059-062>065-068-069- 501>510-SCZ001>003-202030- Rabun-Habersham-Avery-Alexander-Iredell-Madison-Yancey-Mitchell- Swain-Haywood-Buncombe-Catawba-Graham-Northern Jackson-Macon- Southern Jackson-Transylvania-Henderson-Cleveland-Lincoln- Caldwell Mountains-Greater Caldwell-Burke Mountains-Greater Burke- McDowell Mountains-Eastern McDowell-Rutherford Mountains- Greater Rutherford-Polk Mountains-Eastern Polk-Oconee Mountains- Pickens Mountains-Greenville Mountains- 419 PM EDT Tue Jun 19 2018 This Hazardous Weather Outlook is for northeast Georgia, piedmont North Carolina, western North Carolina and upstate South Carolina. .DAY ONE...Tonight. Isolated to widely scattered thunderstorms will continue to develop across the mountains through the evening. Isolated storms may reach severe levels and produce large hail and damaging winds. Otherwise, the main threats will be cloud- to-ground lightning and torrential downpours. Locally heavy rainfall due to slow-moving storms may cause isolated flooding. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. ..Wednesday...No hazardous weather is expected at this time. ..Thursday...No hazardous weather is expected at this time. ..Friday...No hazardous weather is expected at this time. ..Saturday...No hazardous weather is expected at this time. ..Sunday...No hazardous weather is expected at this time. ..Monday...No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... None. GAZ018-026-028-029-NCZ037-057-070>072-082-SCZ004>014-019-202030- Stephens-Franklin-Hart-Elbert-Davie-Rowan-Gaston-Mecklenburg- Cabarrus-Union-Greater Oconee-Greater Pickens-Greater Greenville- Spartanburg-Cherokee-York-Anderson-Abbeville-Laurens-Chester- Greenwood- 419 PM EDT Tue Jun 19 2018 This Hazardous Weather Outlook is for northeast Georgia, piedmont North Carolina and upstate South Carolina. .DAY ONE...Tonight. Isolated to scattered thunderstorms will continue to develop across the Piedmont this evening. The main threats from these storms include cloud-to-ground lighting, small hail, torrential downpours, and gusty winds. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. ..Wednesday...Excessive heat possible. Heat index values will reach 100 to 105 across most of the Piedmont of the Carolinas and Northeast Georgia. ..Thursday...No hazardous weather is expected at this time. ..Friday...No hazardous weather is expected at this time. ..Saturday...No hazardous weather is expected at this time. ..Sunday...No hazardous weather is expected at this time. ..Monday...No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... None. JPT
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 2:19 PM EDT | Special Weather Statement | GSP | Henderson | 41 min |
| Jun 20, 2:31 PM EDT | Special Weather Statement | GSP | Rowan | 44 min |
| Jun 20, 2:39 PM EDT | Special Weather Statement | GSP | Henderson | 51 min |
| Jun 20, 2:59 PM EDT | Severe Thunderstorm Warning | GSP | Henderson | 46 min |
| Jun 20, 3:27 PM EDT | Special Weather Statement | GSP | Iredell | 33 min |
| Jun 20, 5:57 PM EDT | Special Weather Statement | GSP | Mecklenburg | 33 min |
| Jun 20, 5:59 PM EDT | Special Weather Statement | GSP | Union | 46 min |
| Jun 20, 6:15 PM EDT | Severe Thunderstorm Warning | GSP | Union | 45 min |
| Jun 20, 6:26 PM EDT | Severe Thunderstorm Warning | GSP | Mecklenburg | 17 min |
| Jun 20, 7:01 PM EDT | Special Weather Statement | GSP | Union | 44 min |
| Jun 20, 7:12 PM EDT | Areal Flood Advisory | GSP | Union | 3 hr |
| Jun 20, 2:00 PM EDT | Special Weather Statement | GSP | Chester | 45 min |
| Jun 20, 2:47 PM EDT | Special Weather Statement | GSP | Chester | 28 min |
| Jun 20, 6:50 PM EDT | Special Weather Statement | GSP | Chester | 40 min |
| Jun 20, 6:52 PM EDT | Severe Thunderstorm Warning | GSP | Chester | 10 min |
| Jun 20, 7:40 PM EDT | Special Weather Statement | GSP | Chester | 35 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2018Every severe thunderstorm warning 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.