Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

August 7, 2021Gilmer County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 7, 2021, 3:18 PM EDT for Gilmer County, Georgia. It was in force for 27 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, 3:18 PM EDT (19:18 UTC)
Expired: Aug 7, 2021, 3:45 PM EDT
In force: 27 min
Issued by: NWS Atlanta, GA
Hail: 0.25 in
Wind: 40

County Gilmer County, GA

The radar

The Atlanta radar (KFFC), 143 km from the middle of the area, began a volume at 19:21 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, 7.3 hours before the alert went out and 142 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: 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

Open this sounding in Storm Lab

The text

As transmitted.

931 
WWUS82 KFFC 071918
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
318 PM EDT Sat Aug 7 2021
 
GAZ007-071945-
Gilmer GA-
318 PM EDT Sat Aug 7 2021

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF CENTRAL GILMER,
NORTHWESTERN DAWSON, NORTHEASTERN PICKENS AND SOUTHEASTERN FANNIN
COUNTIES THROUGH 345 PM EDT...

At 317 PM EDT...a strong thunderstorm was near East Ellijay, or near
Ellijay...moving east at 25 mph.

HAZARD...Up to 40 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
Ellijay, East Ellijay, Cartecay, Pisgah and Roy. 

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 3476 8429 3472 8425 3467 8425 3467 8424
      3464 8420 3462 8420 3460 8422 3460 8426
      3457 8426 3457 8429 3458 8431 3458 8433
      3457 8433 3456 8437 3455 8437 3461 8453
      3479 8447
TIME...MOT...LOC 1917Z 286DEG 21KT 3468 8442 

MAX HAIL SIZE...0.25IN
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 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, 3:19 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, 4:53 PM EDT	Special Weather Statement	FFC	Cobb	37 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, 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.