Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

August 9, 2021Hall County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 9, 2021, 7:23 PM EDT for Hall County, Georgia. It was in force for 37 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 9, 2021, 7:23 PM EDT (23:23 UTC)
Expired
Aug 9, 2021, 8:00 PM EDT
In force
37 min
Issued by
NWS Atlanta, GA
Hail
0.25 in
Wind
40

County Hall County, GA

The radar

The Atlanta radar (KFFC), 117 km from the middle of the area, began a volume at 23:23 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, 11.4 hours before the alert went out and 113 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 2021-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 203 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 2021-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
203 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
1139 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
-4 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

436 
WWUS82 KFFC 092323
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
723 PM EDT Mon Aug 9 2021
 
GAZ023-100000-
Hall GA-
723 PM EDT Mon Aug 9 2021

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF SOUTHERN HALL COUNTY
THROUGH 800 PM EDT...

At 723 PM EDT...a strong thunderstorm was over Oakwood, or near
Gainesville...moving northeast at 5 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
Gainesville, Flowery Branch, Oakwood, Candler, Aqualand Park,
Chestnut Mountain and Road Atlanta-Lanier Speedway.

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 3422 8371 3415 8378 3413 8395 3420 8399
      3422 8396 3423 8397 3424 8395 3427 8395
      3428 8393 3430 8393 3430 8395 3433 8395
      3434 8396 3442 8381
TIME...MOT...LOC 2323Z 246DEG 6KT 3424 8392 

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 9, 3:37 PM EDTSpecial Weather StatementFFCPaulding23 min
Aug 9, 3:38 PM EDTSpecial Weather StatementFFCToombs37 min
Aug 9, 3:44 PM EDTSpecial Weather StatementFFCHeard31 min
Aug 9, 3:46 PM EDTSpecial Weather StatementFFCTelfair29 min
Aug 9, 3:47 PM EDTSpecial Weather StatementFFCWalker28 min
Aug 9, 3:53 PM EDTSpecial Weather StatementFFCFloyd37 min
Aug 9, 4:07 PM EDTSpecial Weather StatementFFCPolk23 min
Aug 9, 4:18 PM EDTSpecial Weather StatementFFCMeriwether27 min
Aug 9, 4:31 PM EDTSpecial Weather StatementFFCFloyd29 min
Aug 9, 4:33 PM EDTSpecial Weather StatementFFCEmanuel27 min
Aug 9, 4:45 PM EDTSpecial Weather StatementFFCMeriwether, Troup30 min
Aug 9, 5:06 PM EDTSpecial Weather StatementFFCGordon24 min
Aug 9, 5:12 PM EDTSpecial Weather StatementFFCHarris33 min
Aug 9, 5:23 PM EDTSevere Thunderstorm WarningFFCGordon37 min
Aug 9, 5:51 PM EDTSevere Thunderstorm WarningFFCGilmer, Gordon, Murray24 min
Aug 9, 5:52 PM EDTSpecial Weather StatementFFCMeriwether38 min
Aug 9, 6:00 PM EDTSpecial Weather StatementFFCUpson30 min
Aug 9, 6:19 PM EDTSpecial Weather StatementFFCTalbot26 min
Aug 9, 6:57 PM EDTSpecial Weather StatementFFCMarion33 min
Aug 9, 7:47 PM EDTSpecial Weather StatementFFCChattahoochee28 min
Aug 9, 7:51 PM EDTSpecial Weather StatementFFCTaylor24 min
Aug 9, 7:54 PM EDTSpecial Weather StatementFFCHall36 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.