Alert archive / Georgia / Special Weather Statements in 2021
Special Weather Statement, NWS Atlanta, GA
NWS Atlanta, GA issued this special weather statement at Aug 22, 2021, 3:00 PM EDT for Clayton County, DeKalb County, Douglas County, Georgia. It was in force for 30 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 22, 2021, 3:00 PM EDT (19:00 UTC)
- Expired
- Aug 22, 2021, 3:30 PM EDT
- In force
- 30 min
- Issued by
- NWS Atlanta, GA
- Wind
- 40
Counties Clayton County, GA, DeKalb County, GA, Douglas County, GA
The radar
The Atlanta radar (KFFC), 27 km from the middle of the area, began a volume at 18:59 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, 7.0 hours before the alert went out and 28 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.
- Mixed-layer CAPE
- 489 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 599 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
279
WWUS82 KFFC 221900
SPSFFC
Special Weather Statement
National Weather Service Peachtree City GA
300 PM EDT Sun Aug 22 2021
GAZ032-033-043>046-053>055-057-221930-
Fayette GA-North Fulton GA-Douglas GA-Rockdale GA-Cobb GA-Clayton GA-
Coweta GA-DeKalb GA-Henry GA-South Fulton GA-
300 PM EDT Sun Aug 22 2021
...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF SOUTHWESTERN
ROCKDALE, SOUTHERN DEKALB, NORTHERN FAYETTE, SOUTH CENTRAL COBB,
DOUGLAS, NORTHWESTERN HENRY, NORTH CENTRAL COWETA, SOUTHWESTERN
FULTON AND CLAYTON COUNTIES THROUGH 330 PM EDT...
At 259 PM EDT...a line of strong thunderstorms was along a line
extending from Belmont to Winston...and moving southeast at 25 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 these storms include
Atlanta, Douglasville, Decatur, Fayetteville, Conyers, Jonesboro,
East Point, Stockbridge, Union City, Forest Park, Riverdale, Villa
Rica, College Park, Fairburn, Tyrone, Morrow, Hapeville, Palmetto,
Avondale Estates and Lake City.
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 3379 8472 3379 8409 3357 8401 3352 8405
3350 8403 3345 8484 3352 8485 3352 8482
3355 8483 3357 8481 3358 8485 3377 8488
TIME...MOT...LOC 1859Z 317DEG 22KT 3374 8416 3370 8483
MAX HAIL SIZE...
MAX WIND GUST...40MPH
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 4:10 PM EDT | Special Weather Statement | FFC | Toombs | 20 min |
| Aug 22, 5:21 PM EDT | Special Weather Statement | FFC | Greene, Jasper, Putnam, Taliaferro, Wilkes | 24 min |
| Aug 22, 5:52 PM EDT | Special Weather Statement | FFC | Taliaferro, Warren | 23 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.