Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Greenville-Spartanburg, SC

August 7, 2021Rabun County, Georgia

NWS Greenville-Spartanburg, SC issued this special weather statement at Aug 7, 2021, 4:07 PM EDT for Rabun County, Georgia. It was in force for 38 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 7, 2021, 4:07 PM EDT (20:07 UTC)
Expired
Aug 7, 2021, 4:45 PM EDT
In force
38 min
Issued by
NWS Greenville-Spartanburg, SC
Hail
0.50 in
Wind
40

County Rabun County, GA

The radar

The Greer radar (KGSP), 117 km from the middle of the area, began a volume at 20:11 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.

What was reported inside it

TimeReportWhereRemark
Aug 7, 4:10 PM EDTTSTM WND DMG7 Wsw Dillard, GATRAINED SPOTTER REPORTED TREES SNAPPED OR UPROOTED ON DAROM LN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.1 hours before the alert went out and 199 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 2021-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 848 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2021-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 square meters per square second.19395878Sfc1 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
848 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
799 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
20 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

As transmitted.

662 
WWUS82 KGSP 072007
SPSGSP

Special Weather Statement
National Weather Service Greenville-Spartanburg SC
407 PM EDT Sat Aug 7 2021
 
GAZ010-NCZ062-072045-
Rabun GA-Macon NC-
407 PM EDT Sat Aug 7 2021

...A strong thunderstorm will impact portions of Rabun and south
central Macon Counties through 445 PM EDT...

At 407 PM EDT, Doppler radar was tracking a strong thunderstorm 6
miles northwest of Clayton, or 4 miles northwest of Black Rock
Mountain State Park, moving southeast at 15 mph.

HAZARD...Winds in excess of 40 mph and up to half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Minor damage to outdoor objects is 
         possible.

Locations impacted include...
Clayton, Mountain City, Tiger, Dillard, Sky Valley, Lakemont, Black
Rock Mountain State Park, Lake Rabun, Tallulah Falls and Scaly
Mountain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3494 8357 3495 8355 3497 8355 3499 8353
      3500 8348 3500 8352 3501 8352 3507 8347
      3497 8318 3473 8341 3492 8359
TIME...MOT...LOC 2007Z 304DEG 13KT 3495 8346 

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

$$

JPT

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 8:35 PM EDTSpecial Weather StatementGSPSwain40 min
Aug 7, 12:35 PM EDTSpecial Weather StatementGSPHaywood25 min
Aug 7, 1:25 PM EDTSpecial Weather StatementGSPBuncombe35 min
Aug 7, 1:55 PM EDTSpecial Weather StatementGSPYancey50 min
Aug 7, 2:03 PM EDTSpecial Weather StatementGSPHenderson, Transylvania42 min
Aug 7, 2:06 PM EDTSpecial Weather StatementGSPBurke39 min
Aug 7, 2:14 PM EDTSpecial Weather StatementGSPPolk46 min
Aug 7, 2:47 PM EDTSpecial Weather StatementGSPBurke, McDowell43 min
Aug 7, 2:55 PM EDTSpecial Weather StatementGSPPolk50 min
Aug 7, 3:35 PM EDTSpecial Weather StatementGSPCleveland, Rutherford40 min
Aug 7, 3:47 PM EDTSpecial Weather StatementGSPPolk43 min
Aug 7, 4:06 PM EDTSpecial Weather StatementGSPMcDowell, Mitchell, Yancey39 min
Aug 7, 4:17 PM EDTSpecial Weather StatementGSPCleveland, Rutherford43 min
Aug 7, 4:20 PM EDTSpecial Weather StatementGSPCaldwell25 min
Aug 7, 4:49 PM EDTSpecial Weather StatementGSPAlexander, Caldwell41 min
Aug 7, 4:51 PM EDTSpecial Weather StatementGSPMcDowell39 min
Aug 7, 4:53 PM EDTSpecial Weather StatementGSPBuncombe37 min
Aug 7, 5:21 PM EDTSpecial Weather StatementGSPCaldwell39 min
Aug 7, 5:32 PM EDTSpecial Weather StatementGSPBuncombe43 min
Aug 7, 5:46 PM EDTSpecial Weather StatementGSPJackson44 min
Aug 7, 6:02 PM EDTSpecial Weather StatementGSPBurke, Caldwell, Catawba43 min
Aug 7, 6:19 PM EDTSpecial Weather StatementGSPAlexander, Iredell41 min
Aug 7, 7:35 PM EDTSpecial Weather StatementGSPCabarrus, Rowan40 min
Aug 7, 1:04 PM EDTSpecial Weather StatementGSPOconee26 min
Aug 7, 1:33 PM EDTSpecial Weather StatementGSPOconee42 min
Aug 7, 2:20 PM EDTSpecial Weather StatementGSPOconee40 min
Aug 7, 4:38 PM EDTSpecial Weather StatementGSPSpartanburg37 min
Aug 7, 5:07 PM EDTSpecial Weather StatementGSPSpartanburg38 min
Aug 7, 5:48 PM EDTSpecial Weather StatementGSPSpartanburg42 min
Aug 7, 3:14 PM EDTSpecial Weather StatementGSPFranklin, Hart46 min
Aug 7, 4:47 PM EDTSpecial Weather StatementGSPHabersham, Rabun43 min

Nearby

Special Weather Statements in Georgia, 2021Every special weather statement in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.