Alert archive / Georgia / Special Weather Statements in 2019

Special Weather Statement, NWS Greenville-Spartanburg, SC

August 7, 2019Stephens County, Georgia

NWS Greenville-Spartanburg, SC issued this special weather statement at Aug 7, 2019, 4:14 PM EDT for Stephens County, Georgia. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 7, 2019, 4:14 PM EDT (20:14 UTC)
Expired
Aug 7, 2019, 4:45 PM EDT
In force
31 min
Issued by
NWS Greenville-Spartanburg, SC

County Stephens County, GA

The radar

The Greer radar (KGSP), 111 km from the middle of the area, began a volume at 20:17 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, 8.2 hours before the alert went out and 171 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, Peachtre/Fal Fld, GA at 12:00Z on 2019-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1046 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, Peachtre/Fal Fld, GA at 12:00Z on 2019-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.193958Sfc1 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
1046 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
1132 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 7, 2:32 PM EDT, 1 hour 42 minutes earlier.

Area forecast discussion, Aug 7, 2:32 PM EDT, 1 hour 42 minutes before
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Hazardous weather outlook, Aug 7, 4:15 AM EDT, 11 hours 59 minutes before
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In the hours before

Special weather statement, Aug 7, 4:14 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
414 PM EDT Wed Aug 7 2019

GAZ017-018-026-SCZ001-072045-
Franklin GA-Stephens GA-Habersham GA-Oconee Mountains SC-
414 PM EDT Wed Aug 7 2019

...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN FRANKLIN...
STEPHENS...CENTRAL HABERSHAM AND SOUTHWESTERN OCONEE COUNTIES UNTIL
445 PM EDT...

At 413 PM EDT, Doppler radar was tracking a strong thunderstorm 4
miles east of Clarkesville, moving southeast at 15 mph.

Locations to be impacted include...
Toccoa, Clarkesville, Demorest, Mount Airy, Cornelia, Hollywood,
Boydville, Eastanolee and Turnerville.

Wind gusts up to 35 mph and pea size hail will be possible in these
areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Gusty winds can blow down trees that are dead, or that have weakened
root systems. Outdoor furniture and similar items can be tossed
around if not anchored. Seek shelter indoors.

&&

LAT...LON 3471 8348 3465 8315 3440 8328 3454 8356
TIME...MOT...LOC 2013Z 293DEG 12KT 3461 8344

HG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 4:30 PM EDTSpecial Weather StatementGSPRutherford30 min
Aug 7, 4:42 PM EDTSpecial Weather StatementGSPDavie33 min
Aug 7, 5:00 PM EDTSpecial Weather StatementGSPRutherford30 min
Aug 7, 6:04 PM EDTSpecial Weather StatementGSPCatawba26 min
Aug 7, 6:10 PM EDTSpecial Weather StatementGSPPolk35 min
Aug 7, 6:25 PM EDTSpecial Weather StatementGSPCatawba, Lincoln35 min
Aug 7, 7:37 PM EDTSpecial Weather StatementGSPMecklenburg23 min
Aug 7, 7:56 PM EDTSpecial Weather StatementGSPMecklenburg34 min
Aug 7, 6:05 PM EDTSpecial Weather StatementGSPCherokee25 min
Aug 7, 6:34 PM EDTSpecial Weather StatementGSPCherokee26 min
Aug 7, 6:49 PM EDTSpecial Weather StatementGSPYork26 min
Aug 7, 7:51 PM EDTSpecial Weather StatementGSPYork24 min

Nearby

Special Weather Statements in Georgia, 2019Every special weather statement in 2019

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.