Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

August 23, 2021Stewart County, Webster County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 23, 2021, 8:18 PM EDT for Stewart County, Webster 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 23, 2021, 8:18 PM EDT (00:18 UTC)
Expired
Aug 23, 2021, 8:45 PM EDT
In force
27 min
Issued by
NWS Atlanta, GA
Wind
40

Counties Stewart County, GA, Webster County, GA

The radar

The Ft Rucker radar (KEOX), 82 km from the middle of the area, began a volume at 00:19 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, 0.3 hours before the alert went out and 158 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 2021-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 767 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 00:00Z on 2021-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
767 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1580 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
17 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

178 
WWUS82 KFFC 240018
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
818 PM EDT Mon Aug 23 2021
 
GAZ102-103-240045-
Stewart GA-Webster GA-
818 PM EDT Mon Aug 23 2021

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF STEWART AND WESTERN
WEBSTER COUNTIES THROUGH 845 PM EDT...

At 817 PM EDT...a strong thunderstorm was near Lumpkin...moving
southwest at 10 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 and ponding of water especially in poor 
         drainage areas.

Some locations in the path of this storm include
Lumpkin, Preston, Richland, Weston, Seminole, Troutman, Charles,
Kimbrough, Sanford, Westville, Brooklyn and Providence Canyon State
Park.

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 3192 8467 3193 8468 3192 8469 3192 8480
      3193 8480 3192 8481 3192 8491 3195 8496
      3198 8496 3198 8501 3197 8504 3199 8504
      3199 8507 3202 8505 3204 8505 3222 8472
      3213 8452 3192 8458
TIME...MOT...LOC 0017Z 058DEG 7KT 3207 8475 

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 6:19 PM EDTSpecial Weather StatementFFCEmanuel, Johnson, Treutlen26 min
Aug 24, 6:35 PM EDTSpecial Weather StatementFFCWashington25 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.