Alert archive / South Carolina / Flash Flood Warnings in 2022
Flash Flood Warning 24, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at Sep 4, 2022, 10:07 AM EDT for Transylvania County, North Carolina; Greenville County, Oconee County, Pickens County, South Carolina. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 4, 2022, 10:07 AM EDT (14:07 UTC)
- Expired
- Sep 4, 2022, 2:00 PM EDT
- In force
- 4 hr
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Flood severity
- None
Counties Transylvania County, NC, Greenville County, SC, Oconee County, SC, Pickens County, SC
The radar
The Greer radar (KGSP), 48 km from the middle of the area, began a volume at 14:07 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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 2.1 hours before the alert went out and 238 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
- 868 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 536 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Sep 4, 6:56 AM EDT, 3 hours 11 minutes earlier.
Area forecast discussion, Sep 4, 6:56 AM EDT, 3 hours 11 minutes before
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</html>Hazardous weather outlook, Sep 4, 9:54 AM EDT, 13 minutes before
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Special weather statement, Sep 4, 8:26 AM EDT, 1 hour 41 minutes before
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</html>Special weather statement, Sep 4, 8:53 AM EDT, 1 hour 14 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 |
|---|---|---|---|---|
| Sep 4, 8:26 AM EDT | Special Weather Statement | GSP | Gaston | 49 min |
| Sep 4, 9:18 AM EDT | Areal Flood Advisory | GSP | Transylvania | 3 hr |
| Sep 4, 11:37 AM EDT | Flash Flood Warning | GSP | Henderson, Transylvania | 4 hr |
| Sep 4, 7:36 PM EDT | Special Weather Statement | GSP | Iredell | 54 min |
| Sep 4, 8:53 AM EDT | Special Weather Statement | GSP | Pickens | 52 min |
| Sep 4, 9:39 AM EDT | Flash Flood Warning | GSP | Greenville, Pickens | 4 hr |
| Sep 4, 11:07 AM EDT | Areal Flood Advisory | GSP | Oconee, Pickens | 5 hr |
| Sep 4, 3:28 PM EDT | Areal Flood Advisory | GSP | Greenville, Pickens | 2 hr |
| Sep 4, 4:18 PM EDT | Special Weather Statement | GSP | Anderson | 42 min |
Nearby
Flash Flood Warnings in South Carolina, 2022Flash Flood Warnings in North Carolina, 2022Every flash flood warning in 2022
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.