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, 11:46 AM 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, 11:46 AM EDT (15:46 UTC)
Expired
Oct 4, 2021, 12:30 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), 81 km from the middle of the area, began a volume at 15:45 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, 3.8 hours before the alert went out and 93 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.

553 
WWUS82 KFFC 041546
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
1146 AM EDT Mon Oct 4 2021
 
GAZ078-079-089-090-041630-
Chattahoochee GA-Harris GA-Talbot GA-Muscogee GA-
1146 AM EDT Mon Oct 4 2021

...Strong thunderstorms will impact portions of northern Muscogee,
southwestern Talbot and southern Harris Counties through 1230 PM
EDT...

At 1146 AM EDT, a line of strong thunderstorms was along a line
extending from near Baughville to near Smiths. These storms were
nearly stationary.

HAZARD...Heavy rain.

SOURCE...Radar indicated.

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

Locations impacted include...
Waverly Hall, Bibb City, Upatoi, Goat Rock Lake, Ellerslie, Flat
Rock, Laurel Hills, Green Island Hills, Cataula, Columbus
Metropolitan Airport, Baughville, Olive Branch, Box Springs, Midland,
Kenwood, Mountain Hill, Fortson, Mulberry Grove and Lake Harding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3272 8490 3270 8456 3253 8460 3253 8463
      3251 8464 3249 8500 3252 8501 3259 8508
      3262 8509 3263 8508 3264 8510 3265 8510
      3266 8509 3269 8511
TIME...MOT...LOC 1546Z 046DEG 0KT 3261 8471 3256 8504 

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, 12:16 PM EDTFlash Flood WarningFFCHarris, Muscogee6 hr
Oct 4, 12:46 PM EDTSpecial Weather StatementFFCMuscogee44 min
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.