Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

August 7, 2021Harris County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 7, 2021, 6:28 PM EDT for Harris County, Georgia. It was in force for 32 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, 2021, 6:28 PM EDT (22:28 UTC)
Expired
Aug 7, 2021, 7:00 PM EDT
In force
32 min
Issued by
NWS Atlanta, GA
Hail
0.25 in
Wind
40

County Harris County, GA

The radar

The Atlanta radar (KFFC), 63 km from the middle of the area, began a volume at 22:27 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, 10.5 hours before the alert went out and 67 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.

386 
WWUS82 KFFC 072228
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
628 PM EDT Sat Aug 7 2021
 
GAZ066-067-078-072300-
Harris GA-Troup GA-Meriwether GA-
628 PM EDT Sat Aug 7 2021

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF SOUTHWESTERN
MERIWETHER, SOUTHEASTERN TROUP, NORTHWESTERN TALBOT AND NORTHEASTERN
HARRIS COUNTIES THROUGH 700 PM EDT...

At 628 PM EDT...a strong thunderstorm was near Stovall, or 11 miles
southeast of LaGrange...moving south at 15 mph.

HAZARD...Up to 40 mph wind...pea sized hail and frequent cloud to 
         ground lightning.

SOURCE...Radar indicated.

IMPACT...Expect minor damage to tree limbs and blowing around of 
         light...unsecured objects.

Some locations in the path of this storm include
Hamilton, Pine Mountain, F.d. Roosevelt State Park, Stovall, Baughs
Crossroads and Durand.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. If you can hear
thunder...you are close enough to be struck by lightning.

LAT...LON 3295 8503 3301 8483 3279 8469 3277 8469
      3268 8498
TIME...MOT...LOC 2228Z 341DEG 12KT 3292 8491 

MAX HAIL SIZE...0.25IN
MAX WIND GUST...40MPH

$$

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 6, 9:15 PM EDTSpecial Weather StatementFFCFannin30 min
Aug 7, 12:58 PM EDTSpecial Weather StatementFFCLumpkin32 min
Aug 7, 1:52 PM EDTSpecial Weather StatementFFCChattooga23 min
Aug 7, 2:11 PM EDTSpecial Weather StatementFFCWhitfield34 min
Aug 7, 2:27 PM EDTSpecial Weather StatementFFCFulton33 min
Aug 7, 2:48 PM EDTSpecial Weather StatementFFCGilmer, Murray27 min
Aug 7, 2:51 PM EDTSpecial Weather StatementFFCFloyd24 min
Aug 7, 3:04 PM EDTSpecial Weather StatementFFCCarroll26 min
Aug 7, 3:18 PM EDTSpecial Weather StatementFFCGilmer27 min
Aug 7, 3:19 PM EDTSpecial Weather StatementFFCFloyd26 min
Aug 7, 3:27 PM EDTSpecial Weather StatementFFCFannin33 min
Aug 7, 3:28 PM EDTSpecial Weather StatementFFCUnion32 min
Aug 7, 3:39 PM EDTSpecial Weather StatementFFCDawson36 min
Aug 7, 3:40 PM EDTSpecial Weather StatementFFCTowns35 min
Aug 7, 3:41 PM EDTSpecial Weather StatementFFCHeard34 min
Aug 7, 3:51 PM EDTSpecial Weather StatementFFCPaulding24 min
Aug 7, 4:18 PM EDTSpecial Weather StatementFFCPaulding27 min
Aug 7, 4:41 PM EDTSpecial Weather StatementFFCForsyth34 min
Aug 7, 4:45 PM EDTSpecial Weather StatementFFCHenry30 min
Aug 7, 4:53 PM EDTSpecial Weather StatementFFCCobb37 min
Aug 7, 4:57 PM EDTSpecial Weather StatementFFCPike33 min
Aug 7, 5:12 PM EDTSpecial Weather StatementFFCOconee33 min
Aug 7, 5:20 PM EDTSpecial Weather StatementFFCDeKalb25 min
Aug 7, 5:22 PM EDTSpecial Weather StatementFFCGwinnett23 min
Aug 7, 6:01 PM EDTSpecial Weather StatementFFCGwinnett29 min
Aug 7, 6:36 PM EDTSpecial Weather StatementFFCMonroe24 min
Aug 7, 7:04 PM EDTSpecial Weather StatementFFCMonroe26 min
Aug 7, 7:05 PM EDTSpecial Weather StatementFFCHancock25 min
Aug 7, 7:09 PM EDTSpecial Weather StatementFFCCrawford36 min
Aug 7, 7:34 PM EDTSpecial Weather StatementFFCWarren26 min
Aug 7, 7:58 PM EDTSpecial Weather StatementFFCGlascock32 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.