Alert archive / South Carolina / Tornado Warnings in 2018
Tornado Warning 7, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this tornado warning at Oct 11, 2018, 2:45 AM EDT for Laurens County, Union County, South Carolina. It was in force for 30 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
- Oct 11, 2018, 2:45 AM EDT (06:45 UTC)
- Expired
- Oct 11, 2018, 3:15 AM EDT
- In force
- 30 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Laurens County, SC, Union County, SC
The radar
The Greer radar (KGSP), 50 km from the middle of the area, began a volume at 06:47 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Oct 10, 11:38 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 6.8 hours before the alert went out and 240 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
- 798 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 496 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 110 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.7
What forecasters said that day
The local office's own words before this tornado 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 tornado warning went out at Oct 11, 1:54 AM EDT, 51 minutes earlier.
Area forecast discussion, Oct 11, 1:54 AM EDT, 51 minutes before
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</html>Hazardous weather outlook, Oct 10, 11:58 PM EDT, 2 hours 47 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 |
|---|---|---|---|---|
| Oct 10, 9:55 PM EDT | River Flood Warning | GSP | Gaston | 55 hr |
| Oct 11, 3:45 AM EDT | Areal Flood Advisory | GSP | Henderson, Polk, Transylvania | 6 hr |
| Oct 11, 5:33 AM EDT | Flash Flood Warning | GSP | Buncombe, Henderson, McDowell, Polk, Rutherford | 6 hr |
| Oct 11, 7:10 AM EDT | Flash Flood Warning | GSP | Burke, McDowell | 5 hr |
| Oct 11, 7:52 AM EDT | Areal Flood Advisory | GSP | Cleveland, Polk, Rutherford | 3 hr |
| Oct 11, 8:11 AM EDT | Flash Flood Warning | GSP | Yancey | 5 hr |
| Oct 11, 8:43 AM EDT | Flash Flood Warning | GSP | Avery, Caldwell, Mitchell | 5 hr |
| Oct 11, 9:11 AM EDT | Flash Flood Warning | GSP | Polk, Rutherford | 5 hr |
| Oct 11, 10:03 AM EDT | Flash Flood Warning | GSP | Cleveland | 5 hr |
| Oct 11, 10:04 AM EDT | River Flood Warning | GSP | Henderson, Transylvania | 38 hr |
| Oct 11, 10:31 AM EDT | Flash Flood Warning | GSP | Cabarrus, Davie, Rowan | 4 hr |
| Oct 11, 10:32 AM EDT | River Flood Warning | GSP | Buncombe | 10 hr |
| Oct 11, 10:50 AM EDT | Flash Flood Warning | GSP | Alexander, Burke, Caldwell, Catawba, Iredell | 4 hr |
| Oct 11, 10:54 AM EDT | Special Weather Statement | GSP | Rowan | 21 min |
| Oct 11, 11:10 AM EDT | Flash Flood Warning | GSP | Lincoln | 5 hr |
| Oct 11, 11:24 AM EDT | Special Weather Statement | GSP | Rowan | 51 min |
| Oct 11, 11:27 AM EDT | Areal Flood Warning | GSP | Henderson | 12 hr |
| Oct 11, 11:34 AM EDT | Areal Flood Warning | GSP | Buncombe, Henderson, Polk, Rutherford | 4 hr |
| Oct 11, 11:36 AM EDT | River Flood Warning | GSP | Buncombe, Henderson | 30 hr |
| Oct 11, 11:55 AM EDT | Areal Flood Warning | GSP | Burke, McDowell | 13 hr |
| Oct 11, 12:02 PM EDT | Areal Flood Advisory | GSP | Gaston | 3 hr |
| Oct 11, 1:11 PM EDT | Areal Flood Warning | GSP | Avery, Mitchell | 4 hr |
| Oct 11, 1:22 PM EDT | Areal Flood Warning | GSP | Avery, Burke, Caldwell | 18 hr |
| Oct 11, 2:18 PM EDT | Areal Flood Warning | GSP | Cabarrus | 6 hr |
| Oct 11, 2:27 PM EDT | Areal Flood Warning | GSP | Davie, Rowan | 6 hr |
| Oct 11, 3:02 PM EDT | Areal Flood Warning | GSP | Alexander, Catawba, Iredell | 4 hr |
| Oct 11, 3:11 PM EDT | River Flood Warning | GSP | Cleveland | 31 hr |
| Oct 11, 4:05 PM EDT | Areal Flood Advisory | GSP | Lincoln | 6 hr |
| Oct 11, 5:15 PM EDT | Areal Flood Advisory | GSP | Mitchell | 6 hr |
| Oct 11, 5:15 PM EDT | Wind Advisory | GSP | Avery, Buncombe, Burke, Caldwell, Graham, Haywood and 11 more | 11 hr |
| Oct 11, 7:01 PM EDT | Areal Flood Advisory | GSP | Iredell | 6 hr |
| Oct 11, 2:42 AM EDT | Areal Flood Advisory | GSP | Abbeville, Anderson, Chester, Greenville, Greenwood, Laurens and 4 more | 6 hr |
| Oct 11, 3:12 AM EDT | Tornado Warning | GSP | Spartanburg, Union | 15 min |
| Oct 11, 7:22 AM EDT | Flash Flood Warning | GSP | Greenville, Spartanburg | 5 hr |
| Oct 11, 10:58 AM EDT | Flash Flood Warning | GSP | Cherokee | 5 hr |
| Oct 11, 12:16 PM EDT | Areal Flood Warning | GSP | Greenville, Spartanburg | 7 hr |
| Oct 11, 3:08 PM EDT | River Flood Warning | GSP | Cherokee, York | 33 hr |
| Oct 11, 7:50 PM EDT | Areal Flood Advisory | GSP | Greenville, Spartanburg | 12 hr |
Nearby
Tornado Warnings in South Carolina, 2018Every tornado warning in 2018Tornadoes 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.