Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

October 4, 2021Muscogee County, Georgia

NWS Atlanta, GA issued this special weather statement at Oct 4, 2021, 12:46 PM EDT for Muscogee County, Georgia. It was in force for 44 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
Oct 4, 2021, 12:46 PM EDT (16:46 UTC)
Expired
Oct 4, 2021, 1:30 PM EDT
In force
44 min
Issued by
NWS Atlanta, GA
Hail
0.00 in
Wind
30

County Muscogee County, GA

The radar

The Maxwell AFB radar (KMXX), 94 km from the middle of the area, began a volume at 16:45 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, 4.8 hours before the alert went out and 101 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 2021-10-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 443 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 2021-10-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.193958Sfc1 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
443 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
597 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

197 
WWUS82 KFFC 041646
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
1246 PM EDT Mon Oct 4 2021
 
GAZ089-090-041730-
Chattahoochee GA-Muscogee GA-
1246 PM EDT Mon Oct 4 2021

...Strong thunderstorms will impact portions of Muscogee and northern
Chattahoochee Counties through 130 PM EDT...

At 1246 PM EDT, a line of strong thunderstorms was along a line
extending from Box Springs to Carter Acres, and moving southeast at
10 mph.

HAZARD...Heavy rain.

SOURCE...Radar indicated.

IMPACT...Heavy rain may cause temporary street flooding especially 
         in poor drainage areas.

Locations impacted include...
North Fort Benning, Upatoi, Saint Marys Hills, Edgewood, Highland
Park, Sand Hill, Battle Park, Vista Terrace, Rose Hill, Kenwood,
Custer Road Terrace, Eelbeck/West Fort Benning, Benning Hills,
Avondale, Benning Park and Carter Acres.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should slow down and be prepared for possible loss of
control due to hydroplaning.

&&

LAT...LON 3250 8499 3252 8482 3258 8479 3258 8469
      3256 8469 3256 8467 3252 8469 3253 8465
      3251 8463 3249 8464 3249 8466 3244 8466
      3235 8497 3241 8498 3243 8496 3245 8498
TIME...MOT...LOC 1646Z 322DEG 8KT 3252 8466 3242 8497 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...<30 MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 4, 11:01 AM EDTSpecial Weather StatementFFCHarris, Muscogee, Talbot44 min
Oct 4, 11:04 AM EDTFlash Flood WatchFFCBaldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 90 more4 days
Oct 4, 11:46 AM EDTSpecial Weather StatementFFCMuscogee44 min
Oct 4, 12:16 PM EDTFlash Flood WarningFFCHarris, Muscogee6 hr
Oct 4, 1:24 PM EDTFlash Flood WarningFFCMuscogee6 hr
Oct 4, 4:59 PM EDTFlash Flood WarningFFCBanks, Hall4 hr
Oct 4, 6:51 PM EDTSpecial Weather StatementFFCDawson24 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.