Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

August 22, 20215 counties in Georgia

NWS Atlanta, GA issued this special weather statement at Aug 22, 2021, 5:21 PM EDT for 5 counties in Georgia. It was in force for 24 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 22, 2021, 5:21 PM EDT (21:21 UTC)
Expired
Aug 22, 2021, 5:45 PM EDT
In force
24 min
Issued by
NWS Atlanta, GA
Wind
40

Counties Greene County, GA, Jasper County, GA, Putnam County, GA, Taliaferro County, GA, Wilkes County, GA

The radar

The Robins AFB radar (KJGX), 98 km from the middle of the area, began a volume at 21:20 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, 9.4 hours before the alert went out and 131 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 2021-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 489 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 2021-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
489 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
599 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

542 
WWUS82 KFFC 222121
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
521 PM EDT Sun Aug 22 2021
 
GAZ039-050-051-059>061-072-222145-
Taliaferro GA-Wilkes GA-Putnam GA-Hancock GA-Jones GA-Jasper GA-
Greene GA-
521 PM EDT Sun Aug 22 2021

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF PUTNAM, NORTHWESTERN
HANCOCK, CENTRAL GREENE, TALIAFERRO, SOUTHERN WILKES, NORTHWESTERN
JONES AND SOUTHERN JASPER COUNTIES THROUGH 545 PM EDT...

At 521 PM EDT...a line of strong thunderstorms was along a line
extending from near Rayle to near Veazey to McElheneys Crossroads...
and moving east at 30 mph.

HAZARD...Up to 40 mph wind...frequent cloud to ground lightning and 
         heavy rain.

SOURCE...Radar indicated.

IMPACT...Expect minor damage to tree limbs and blowing around of 
         light...unsecured objects. Heavy rain may cause temporary 
         street flooding especially in poor drainage areas.

Some locations in the path of these storms include
Eatonton, Washington, Greensboro, Monticello, Crawfordville, Union
Point, White Plains, Siloam, Rayle, Sharon, Phoenix, Reynolds at Lake
Oconee, Liberty, Springfield, Veazey, Resseaus Crossroads, Round Oak,
Newtown, Central Georgia Experiment Stn and McElheneys Crossroads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. If you can hear
thunder...you are close enough to be struck by lightning. Motorists
should slow down and be prepared for possible loss of control due to
hydroplaning.

LAT...LON 3359 8270 3351 8277 3352 8282 3347 8287
      3344 8286 3306 8371 3322 8383 3325 8381
      3327 8383 3347 8339 3348 8328 3351 8328
      3353 8324 3370 8303 3370 8299 3373 8295
      3376 8297 3382 8289 3380 8258 3372 8253
TIME...MOT...LOC 2121Z 279DEG 24KT 3374 8288 3351 8318 3323 8376 

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 3:00 PM EDTSpecial Weather StatementFFCClayton, DeKalb, Douglas30 min
Aug 22, 4:10 PM EDTSpecial Weather StatementFFCToombs20 min
Aug 22, 5:52 PM EDTSpecial Weather StatementFFCTaliaferro, Warren23 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.