Alert archive / North Carolina / Flash Flood Watches in 2017
Flash Flood Watch 5, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood watch at Sep 10, 2017, 4:36 AM EDT for 6 counties in North Carolina; 6 counties in Georgia. It took effect at Sep 11, 2017, 6:00 AM EDT. It was in force for 22 hr.
The area
The counties it named.
The facts
- Issued
- Sep 10, 2017, 4:36 AM EDT (08:36 UTC)
- In effect from
- Sep 11, 2017, 6:00 AM EDT
- Expired
- Sep 12, 2017, 3:46 AM EDT
- In force
- 22 hr
- Issued by
- NWS Greenville-Spartanburg, SC
- Flood severity
- None
Counties Elbert County, GA, Franklin County, GA, Habersham County, GA, Hart County, GA, Rabun County, GA, Stephens County, GA, Henderson County, NC, Jackson County, NC, McDowell County, NC, Polk County, NC, Rutherford County, NC, Transylvania County, NC
The radar
The Greer radar (KGSP), 55 km from the middle of the area, began a volume at 08:37 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 00:00Z, 8.6 hours before the alert went out and 232 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1994 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -49 m²/s²
- 0-3 km storm-relative helicity
- 61 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 watch 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 watch went out at Sep 10, 4:03 AM EDT, 33 minutes earlier.
Area forecast discussion, Sep 10, 4:03 AM EDT, 33 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 10, 5:30 AM EDT | High Wind Watch | GSP | Cleveland, Henderson, Jackson, Macon, Polk, Rutherford and 1 more | 10 hr |
| Sep 10, 3:34 PM EDT | High Wind Warning | GSP | Cleveland, Henderson, Jackson, Macon, Polk, Rutherford and 1 more | 31 hr |
| Sep 10, 3:34 PM EDT | Wind Advisory | GSP | Alexander, Avery, Buncombe, Burke, Cabarrus, Caldwell and 22 more | 36 hr |
Nearby
Flash Flood Watches in North Carolina, 2017Flash Flood Watches in Georgia, 2017Flash Flood Watches in South Carolina, 2017Every flash flood watch in 2017
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.