Alert archive / Georgia / Special Weather Statements in 2021
Special Weather Statement, NWS Atlanta, GA
NWS Atlanta, GA issued this special weather statement at Aug 7, 2021, 4:53 PM EDT for Cobb County, Georgia. It was in force for 37 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 7, 2021, 4:53 PM EDT (20:53 UTC)
- Expired
- Aug 7, 2021, 5:30 PM EDT
- In force
- 37 min
- Issued by
- NWS Atlanta, GA
- Hail
- 0.25 in
- Wind
- 50
County Cobb County, GA
The radar
The Atlanta radar (KFFC), 59 km from the middle of the area, began a volume at 20:54 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, 8.9 hours before the alert went out and 59 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
- 848 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 799 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted.
686
WWUS82 KFFC 072053
SPSFFC
Special Weather Statement
National Weather Service Peachtree City GA
453 PM EDT Sat Aug 7 2021
GAZ032-072130-
Cobb GA-
453 PM EDT Sat Aug 7 2021
...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF EASTERN PAULDING,
COBB, NORTHEASTERN DOUGLAS AND NORTHERN FULTON COUNTIES THROUGH 530
PM EDT...
At 453 PM EDT...a strong thunderstorm was over Due West, or near
Marietta...moving southeast at 15 mph.
HAZARD...40 to 50 mph wind...pea sized hail and frequent cloud to
ground lightning.
SOURCE...Radar indicated.
IMPACT...Expect minor damage to tree limbs and blowing around of
light...unsecured objects.
Some locations in the path of this storm include
Marietta, Smyrna, Kennesaw, Acworth, Powder Springs, Austell, Fair
Oaks, Lithia Springs, White Water Park, Lost Mountain Park, Kennesaw
State University, Vinings, Jim R Miller Park, Six Flags Over Georgia,
Due West, Dobbins Air Reserve Base and Mableton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
People outdoors should seek shelter immediately. If you can hear
thunder...you are close enough to be struck by lightning.
LAT...LON 3407 8464 3395 8440 3391 8445 3389 8444
3387 8446 3383 8446 3383 8447 3375 8457
3375 8458 3380 8462 3380 8464 3388 8473
3395 8472 3395 8474 3397 8474
TIME...MOT...LOC 2053Z 309DEG 13KT 3396 8464
MAX HAIL SIZE...0.25IN
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 6, 9:15 PM EDT | Special Weather Statement | FFC | Fannin | 30 min |
| Aug 7, 12:58 PM EDT | Special Weather Statement | FFC | Lumpkin | 32 min |
| Aug 7, 1:52 PM EDT | Special Weather Statement | FFC | Chattooga | 23 min |
| Aug 7, 2:11 PM EDT | Special Weather Statement | FFC | Whitfield | 34 min |
| Aug 7, 2:27 PM EDT | Special Weather Statement | FFC | Fulton | 33 min |
| Aug 7, 2:48 PM EDT | Special Weather Statement | FFC | Gilmer, Murray | 27 min |
| Aug 7, 2:51 PM EDT | Special Weather Statement | FFC | Floyd | 24 min |
| Aug 7, 3:04 PM EDT | Special Weather Statement | FFC | Carroll | 26 min |
| Aug 7, 3:18 PM EDT | Special Weather Statement | FFC | Gilmer | 27 min |
| Aug 7, 3:19 PM EDT | Special Weather Statement | FFC | Floyd | 26 min |
| Aug 7, 3:27 PM EDT | Special Weather Statement | FFC | Fannin | 33 min |
| Aug 7, 3:28 PM EDT | Special Weather Statement | FFC | Union | 32 min |
| Aug 7, 3:39 PM EDT | Special Weather Statement | FFC | Dawson | 36 min |
| Aug 7, 3:40 PM EDT | Special Weather Statement | FFC | Towns | 35 min |
| Aug 7, 3:41 PM EDT | Special Weather Statement | FFC | Heard | 34 min |
| Aug 7, 3:51 PM EDT | Special Weather Statement | FFC | Paulding | 24 min |
| Aug 7, 4:18 PM EDT | Special Weather Statement | FFC | Paulding | 27 min |
| Aug 7, 4:41 PM EDT | Special Weather Statement | FFC | Forsyth | 34 min |
| Aug 7, 4:45 PM EDT | Special Weather Statement | FFC | Henry | 30 min |
| Aug 7, 4:57 PM EDT | Special Weather Statement | FFC | Pike | 33 min |
| Aug 7, 5:12 PM EDT | Special Weather Statement | FFC | Oconee | 33 min |
| Aug 7, 5:20 PM EDT | Special Weather Statement | FFC | DeKalb | 25 min |
| Aug 7, 5:22 PM EDT | Special Weather Statement | FFC | Gwinnett | 23 min |
| Aug 7, 6:01 PM EDT | Special Weather Statement | FFC | Gwinnett | 29 min |
| Aug 7, 6:28 PM EDT | Special Weather Statement | FFC | Harris | 32 min |
| Aug 7, 6:36 PM EDT | Special Weather Statement | FFC | Monroe | 24 min |
| Aug 7, 7:04 PM EDT | Special Weather Statement | FFC | Monroe | 26 min |
| Aug 7, 7:05 PM EDT | Special Weather Statement | FFC | Hancock | 25 min |
| Aug 7, 7:09 PM EDT | Special Weather Statement | FFC | Crawford | 36 min |
| Aug 7, 7:34 PM EDT | Special Weather Statement | FFC | Warren | 26 min |
| Aug 7, 7:58 PM EDT | Special Weather Statement | FFC | Glascock | 32 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.