Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

August 30, 2021Coweta County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 30, 2021, 6:56 PM EDT for Coweta County, Georgia. It was in force for 34 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 30, 2021, 6:56 PM EDT (22:56 UTC)
Expired: Aug 30, 2021, 7:30 PM EDT
In force: 34 min
Issued by: NWS Atlanta, GA
Wind: 50

County Coweta County, GA

The radar

The Atlanta radar (KFFC), 18 km from the middle of the area, began a volume at 22:57 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, 10.9 hours before the alert went out and 22 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1025 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 710 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 38 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

415 
WWUS82 KFFC 302256
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
656 PM EDT Mon Aug 30 2021
 
GAZ053-067-302330-
Coweta GA-Meriwether GA-
656 PM EDT Mon Aug 30 2021

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF NORTH CENTRAL
MERIWETHER AND SOUTHEASTERN COWETA COUNTIES THROUGH 730 PM EDT...

At 656 PM EDT...a strong thunderstorm was over Rocky Mount, or 8
miles north of Greenville...moving north at 35 mph.

HAZARD...40 to 50 mph wind 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
Newnan, Senoia, Luthersville, Moreland, Sharpsburg, Turin, East
Newnan, Rocky Mount, Thomas Crossroads and Wooster.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. Motorists should
slow down and be prepared for possible loss of control due to
hydroplaning.

LAT...LON 3310 8464 3311 8475 3335 8481 3342 8468
      3334 8456
TIME...MOT...LOC 2256Z 182DEG 29KT 3315 8469 

MAX HAIL SIZE...
MAX WIND GUST...50MPH

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 30, 4:19 AM EDT	Flood Watch	FFC	Bartow, Catoosa, Chattooga, Cherokee, Dade, Dawson and 12 more	1 min
Aug 30, 4:27 AM EDT	Flash Flood Watch	FFC	Bartow, Carroll, Catoosa, Chattooga, Cherokee, Cobb and 22 more	43 hr
Aug 30, 2:29 PM EDT	Special Weather Statement	FFC	Chattooga	31 min
Aug 30, 2:33 PM EDT	Severe Thunderstorm Warning	FFC	Chattooga, Floyd	30 min
Aug 30, 4:09 PM EDT	Special Weather Statement	FFC	Catoosa, Whitfield	36 min
Aug 30, 4:11 PM EDT	Special Weather Statement	FFC	Gordon	34 min
Aug 30, 4:34 PM EDT	Special Weather Statement	FFC	Pickens	26 min
Aug 30, 4:41 PM EDT	Tornado Warning	FFC	Gilmer, Gordon, Pickens	14 min
Aug 30, 4:44 PM EDT	Special Weather Statement	FFC	Gordon	31 min
Aug 30, 5:11 PM EDT	Special Weather Statement	FFC	Gilmer, Murray, Pickens, Whitfield	34 min
Aug 30, 5:29 PM EDT	Severe Thunderstorm Warning	FFC	Dawson, Fannin, Gilmer, Pickens	31 min
Aug 30, 5:46 PM EDT	Special Weather Statement	FFC	Lamar	29 min
Aug 30, 7:23 PM EDT	Special Weather Statement	FFC	Carroll	22 min

Nearby

Special Weather Statements in Georgia, 2021 Every 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.