Alert archive / South Carolina / Red Flag Warnings in 2010

Red Flag Warning 19, NWS Greenville-Spartanburg, SC

October 15, 20108 counties in South Carolina; 6 counties in Georgia

NWS Greenville-Spartanburg, SC issued this red flag warning at Oct 15, 2010, 4:40 AM EDT for 8 counties in South Carolina; 6 counties in Georgia. It took effect at Oct 15, 2010, 11:00 AM EDT. It was in force for 9 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
Oct 15, 2010, 4:40 AM EDT (08:40 UTC)
In effect from
Oct 15, 2010, 11:00 AM EDT
Expired
Oct 15, 2010, 8:00 PM EDT
In force
9 hr
Issued by
NWS Greenville-Spartanburg, SC

Counties Elbert County, GA, Franklin County, GA, Habersham County, GA, Hart County, GA, Rabun County, GA, Stephens County, GA, Abbeville County, SC, Anderson County, SC, Cherokee County, SC, Chester County, SC, Greenwood County, SC, Laurens County, SC, Union County, SC, York County, SC

The radar

The Greer radar (KGSP), 42 km from the middle of the area, began a volume at 08:40 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

Charleston AFB, SC (KCHS), launched 00:00Z, 8.7 hours before the alert went out and 290 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.

Skew-T log-pSkew-T log-p diagram, Charleston AFB, SC at 00:00Z on 2010-10-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 387 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 00:00Z on 2010-10-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -150 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
387 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
1084 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
-150 m²/s²
0-3 km storm-relative helicity
-92 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-1.6

Open this sounding in Storm Lab

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 15, 4:58 AM EDTFrost AdvisoryGSPAvery, Buncombe, Burke, Caldwell, Graham, Haywood and 8 more27 hr
Oct 15, 4:58 AM EDTLake Wind AdvisoryGSPAvery, Buncombe, Burke, Caldwell, Graham, Haywood and 11 more15 hr
Oct 15, 4:40 AM EDTFire Weather WatchGSPElbert, Franklin, Habersham, Hart, Rabun, Stephens24 hr

Nearby

Red Flag Warnings in South Carolina, 2010Red Flag Warnings in Georgia, 2010Every red flag warning in 2010

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.