Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

August 27, 2021Muscogee County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 27, 2021, 6:39 PM EDT for Muscogee County, Georgia. It was in force for 36 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 27, 2021, 6:39 PM EDT (22:39 UTC)
Expired
Aug 27, 2021, 7:15 PM EDT
In force
36 min
Issued by
NWS Atlanta, GA
Wind
40

County Muscogee County, GA

The radar

The Maxwell AFB radar (KMXX), 73 km from the middle of the area, began a volume at 22:39 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, 10.7 hours before the alert went out and 107 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 2021-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 528 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 2021-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
528 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
850 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
-15 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

122 
WWUS82 KFFC 272239
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
639 PM EDT Fri Aug 27 2021
 
GAZ078-089-090-272315-
Chattahoochee GA-Harris GA-Muscogee GA-
639 PM EDT Fri Aug 27 2021

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF WESTERN MUSCOGEE,
WEST CENTRAL CHATTAHOOCHEE AND SOUTHWESTERN HARRIS COUNTIES THROUGH
715 PM EDT...

At 639 PM EDT...a strong thunderstorm was over Carter Acres, or near
Columbus...moving northwest 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 this storm include
Columbus, Bibb City, Fort Benning/lawson Army Air Fld, Saint Marys
Hills, Edgewood, Highland Park, Laurel Hills, Green Island Hills,
Sand Hill, Battle Park, Vista Terrace, Columbus Metropolitan Airport,
Rose Hill, Kenwood, Mountain Hill, Custer Road Terrace, Benning
Hills, Avondale, Benning Park and Carter Acres.

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 3275 8501 3238 8485 3232 8499 3233 8501
      3234 8501 3238 8497 3239 8499 3239 8497
      3241 8498 3242 8496 3244 8497 3245 8500
      3252 8500 3258 8507 3263 8508 3264 8511
      3266 8509 3267 8509 3270 8512
TIME...MOT...LOC 2239Z 148DEG 25KT 3241 8499 

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 8:22 PM EDTSpecial Weather StatementFFCCrawford, Peach23 min
Aug 26, 8:31 PM EDTSpecial Weather StatementFFCSchley14 min
Aug 26, 8:38 PM EDTSpecial Weather StatementFFCMacon22 min
Aug 26, 9:14 PM EDTSpecial Weather StatementFFCTalbot, Taylor31 min
Aug 27, 2:50 AM EDTDense Fog AdvisoryFFCFannin, Gilmer, Lumpkin, Towns, Union, White7 hr
Aug 27, 4:10 PM EDTSpecial Weather StatementFFCCrisp20 min
Aug 27, 4:11 PM EDTSpecial Weather StatementFFCBen Hill34 min
Aug 27, 4:16 PM EDTSpecial Weather StatementFFCWashington, Wilkinson29 min
Aug 27, 4:20 PM EDTSpecial Weather StatementFFCMonroe25 min
Aug 27, 4:57 PM EDTSpecial Weather StatementFFCHancock, Putnam, Warren33 min
Aug 27, 4:59 PM EDTSpecial Weather StatementFFCWebster31 min
Aug 27, 5:19 PM EDTSpecial Weather StatementFFCHarris, Meriwether, Troup26 min
Aug 27, 5:39 PM EDTSpecial Weather StatementFFCButts, Jasper36 min
Aug 27, 5:55 PM EDTSpecial Weather StatementFFCMuscogee35 min
Aug 27, 6:16 PM EDTSpecial Weather StatementFFCButts, Clarke, Henry, Jasper, Morgan, Newton and 3 more29 min
Aug 27, 6:45 PM EDTSpecial Weather StatementFFCClarke, Clayton, Henry, Newton, Oconee, Rockdale and 1 more30 min
Aug 27, 7:19 PM EDTSpecial Weather StatementFFCBarrow, DeKalb, Fulton, Gwinnett, Rockdale, Walton11 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.