Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

August 30, 20214 counties in Georgia

NWS Atlanta, GA issued this special weather statement at Aug 30, 2021, 5:11 PM EDT for 4 counties in Georgia. It was in force for 34 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Aug 30, 2021, 5:11 PM EDT (21:11 UTC)
Expired: Aug 30, 2021, 5:45 PM EDT
In force: 34 min
Issued by: NWS Atlanta, GA
Hail: 0.25 in
Wind: 50

Counties Gilmer County, GA, Murray County, GA, Pickens County, GA, Whitfield County, GA

The radar

The Northeast Alabama radar (KHTX), 127 km from the middle of the area, began a volume at 21:15 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.

What was reported inside it

Time	Report	Where	Remark
Aug 30, 5:48 PM EDT	TSTM WND DMG	2 Wsw Ellijay, GA	TREE DOWNED ONTO POWER LINES AT LEGION RD AND NEWPORT DR
Aug 30, 5:51 PM EDT	TSTM WND DMG	1 Ene Roy, GA	TREE DOWNED ONTO POWER LINES ON JONES RD

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.2 hours before the alert went out and 162 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.

079 
WWUS82 KFFC 302111
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
511 PM EDT Mon Aug 30 2021
 
GAZ004>007-012>014-021-302145-
Gilmer GA-Whitfield GA-Dawson GA-Cherokee GA-Gordon GA-Pickens GA-
Murray GA-Fannin GA-
511 PM EDT Mon Aug 30 2021

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF NORTH CENTRAL
CHEROKEE, GILMER, MURRAY, WHITFIELD, NORTHWESTERN DAWSON,
NORTHEASTERN GORDON, PICKENS AND CENTRAL FANNIN COUNTIES THROUGH 545
PM EDT...

At 510 PM EDT...National Weather Service doppler radar indicated a
line of strong thunderstorms along a line extending from near Dalton
to near Ball Ground...and moving north at 25 mph.

HAZARD...winds up to 40 mph...pea sized hail...frequent cloud to 
         ground lightning and increased chance of a brief tornado.

SOURCE...Radar indicated.

IMPACT...While winds should result in minor damage to tree limbs and 
         blowing around of light...unsecured objects...the leading 
         edge of this line of storms has also exhibited areas of 
         localized rotation. A brief tornado could quickly form.

Some locations in the path of these storms include
Dalton, Canton, Chatsworth, Jasper, Ellijay, Varnell, Ball Ground,
Nelson, Eton, Tunnel Hill, Cohutta, East Ellijay, Talking Rock,
Ranger, Amicalola Falls State Park, Crandall, Sequoyah Lake, Sumac,
Gregory and Fausett Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately.

LAT...LON 3499 8464 3485 8448 3484 8437 3480 8431
      3472 8425 3467 8425 3464 8420 3454 8419
      3424 8443 3482 8508 3482 8506 3486 8506
      3486 8503 3488 8501 3491 8502 3492 8501
      3497 8500 3497 8498 3499 8498
TIME...MOT...LOC 2110Z 199DEG 21KT 3481 8496 3437 8446 

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 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, 5:29 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, 6:56 PM EDT	Special Weather Statement	FFC	Coweta	34 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.