Alert archive / Georgia / Special Weather Statements in 2017

Special Weather Statement, NWS Greenville-Spartanburg, SC

August 7, 2017Elbert County, Hart County, Georgia

NWS Greenville-Spartanburg, SC issued this special weather statement at Aug 7, 2017, 12:30 AM EDT for Elbert County, Hart County, Georgia. It was in force for 30 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, 2017, 12:30 AM EDT (04:30 UTC)
Expired
Aug 7, 2017, 1:00 AM EDT
In force
30 min
Issued by
NWS Greenville-Spartanburg, SC

Counties Elbert County, GA, Hart County, GA

The radar

The Greer radar (KGSP), 102 km from the middle of the area, began a volume at 04:34 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, 4.5 hours before the alert went out and 176 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 00:00Z on 2017-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 437 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 00:00Z on 2017-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 square meters per square second.1939Sfc1 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
437 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
1169 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

300 
WWUS82 KGSP 070430
SPSGSP

Special Weather Statement
National Weather Service Greenville-Spartanburg SC
1230 AM EDT MON AUG 7 2017
 
GAZ028-029-SCZ010-011-070500-
Elbert GA-Hart GA-Anderson SC-Abbeville SC-
1230 AM EDT MON AUG 7 2017

...STRONG THUNDERSTORMS WILL IMPACT ELBERT...HART...SOUTHWESTERN
ANDERSON AND SOUTHWESTERN ABBEVILLE COUNTIES UNTIL 100 AM EDT...

At 1229 AM EDT, Doppler radar indicated strong thunderstorms along a
line extending from 10 miles northeast of Danielsville to 8 miles
southwest of Elberton to 10 miles southeast of Lexington, and moving
northeast at 35 mph.

Locations to be impacted include...
Anderson, Elberton, Hartwell, Homeland Park, Northlake, Calhoun
Falls, Iva, Bowman, Lake Secession and Starr.

Wind gusts up to 40 mph and very heavy rainfall rates of 1 to 2 
inches per hour 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.

Torrential rainfall may flood areas with poor drainage, such as
ditches and underpasses. Avoid these areas and do not cross flooded
roads. Water levels of small streams may also rise rapidly. Seek
higher ground if threatened by flood waters.

&&

LAT...LON 3398 8261 3397 8264 3399 8265 3397 8278
      3401 8293 3404 8295 3405 8299 3410 8304
      3411 8303 3415 8306 3417 8310 3423 8308
      3426 8311 3428 8311 3458 8268 3425 8248
      3408 8249 3407 8253 3401 8260 3396 8257
TIME...MOT...LOC 0429Z 237DEG 36KT 3421 8308 3401 8295 3377 8297 

$$

HG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 5:18 PM EDTSevere Thunderstorm WarningGSPPolk42 min
Aug 7, 5:56 PM EDTSpecial Weather StatementGSPPolk, Rutherford34 min
Aug 7, 6:19 PM EDTSpecial Weather StatementGSPBurke26 min
Aug 7, 6:25 PM EDTSpecial Weather StatementGSPRutherford35 min
Aug 7, 6:48 PM EDTSpecial Weather StatementGSPCatawba27 min
Aug 7, 7:00 PM EDTSpecial Weather StatementGSPCleveland, Gaston, Lincoln30 min
Aug 6, 8:09 PM EDTSpecial Weather StatementGSPSpartanburg36 min
Aug 7, 4:46 PM EDTSpecial Weather StatementGSPGreenville, Pickens29 min
Aug 7, 5:02 PM EDTSpecial Weather StatementGSPAnderson28 min
Aug 7, 5:15 PM EDTSpecial Weather StatementGSPGreenville30 min
Aug 7, 5:21 PM EDTSpecial Weather StatementGSPSpartanburg39 min
Aug 7, 5:51 PM EDTSpecial Weather StatementGSPSpartanburg24 min
Aug 7, 6:14 PM EDTSpecial Weather StatementGSPCherokee, Spartanburg, Union31 min
Aug 7, 6:46 PM EDTSpecial Weather StatementGSPCherokee29 min
Aug 7, 7:24 PM EDTSpecial Weather StatementGSPAbbeville36 min
Aug 7, 7:52 PM EDTSpecial Weather StatementGSPLaurens23 min

Nearby

Special Weather Statements in Georgia, 2017Every special weather statement 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.