Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

August 26, 2021Twiggs County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 26, 2021, 7:33 PM EDT for Twiggs County, Georgia. It was in force for 27 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 26, 2021, 7:33 PM EDT (23:33 UTC)
Expired
Aug 26, 2021, 8:00 PM EDT
In force
27 min
Issued by
NWS Atlanta, GA
Wind
40

County Twiggs County, GA

The radar

The Robins AFB radar (KJGX), 18 km from the middle of the area, began a volume at 23:32 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, 11.6 hours before the alert went out and 141 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 2021-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 101 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 2021-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 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
101 J/kg
Mixed-layer CIN
-190 J/kg
Mixed-layer LCL
882 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
-3 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

857 
WWUS82 KFFC 262333
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
733 PM EDT Thu Aug 26 2021
 
GAZ083-084-096-270000-
Wilkinson GA-Bleckley GA-Twiggs GA-
733 PM EDT Thu Aug 26 2021

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF SOUTHERN WILKINSON,
SOUTHEASTERN TWIGGS AND NORTHERN BLECKLEY COUNTIES THROUGH 800 PM
EDT...

At 733 PM EDT...a strong thunderstorm was over Danville, or 8 miles
southeast of Jeffersonville...moving west at 15 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 this storm include
Jeffersonville, Danville, Allentown, Marion, Tarversville, District
Path, Bullard, Goldsboro and Cary.

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 3244 8349 3245 8350 3246 8349 3248 8350
      3249 8349 3250 8352 3275 8350 3265 8318
      3261 8318 3258 8323 3250 8318 3248 8318
      3243 8349
TIME...MOT...LOC 2333Z 090DEG 13KT 3257 8328 

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 8:31 PM EDTSpecial Weather StatementFFCDeKalb, Fulton29 min
Aug 25, 8:50 PM EDTSpecial Weather StatementFFCDeKalb25 min
Aug 25, 9:26 PM EDTSpecial Weather StatementFFCClayton, Douglas34 min
Aug 26, 4:18 PM EDTSpecial Weather StatementFFCMurray, Whitfield27 min
Aug 26, 4:53 PM EDTSpecial Weather StatementFFCMurray37 min
Aug 26, 5:30 PM EDTSpecial Weather StatementFFCFannin, Gilmer, Towns, Union15 min
Aug 26, 5:56 PM EDTSpecial Weather StatementFFCFannin34 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.