Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 120, NWS Atlanta, GA

August 9, 2021Gordon County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 9, 2021, 5:23 PM EDT for Gordon 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 9, 2021, 5:23 PM EDT (21:23 UTC)
Expired: Aug 9, 2021, 6:00 PM EDT
In force: 37 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Gordon County, GA

The radar

The Northeast Alabama radar (KHTX), 127 km from the middle of the area, began a volume at 21:26 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, 9.4 hours before the alert went out and 131 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: 203 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 1139 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: -4 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

572 
WUUS52 KFFC 092123
SVRFFC
GAC129-092200-
/O.NEW.KFFC.SV.W.0120.210809T2123Z-210809T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
523 PM EDT Mon Aug 9 2021

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Gordon County in northwestern Georgia...

* Until 600 PM EDT.

* At 523 PM EDT, a severe thunderstorm was located over Calhoun,
  moving northeast at 10 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Calhoun, Resaca, Fairmount, Ranger, Sonoraville, Oakman, Redbud,
  Nickelsville and Audubon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

If you see wind damage...hail or flooding...wait until the storm has
passed...and then call the National Weather Service toll free
at 1 8 6 6 7 6 3 4 4 6 6 or tweet us your report at NWSATLANTA.

&&

LAT...LON 3447 8465 3446 8465 3443 8466 3440 8480
      3440 8495 3452 8503 3462 8488 3462 8486
      3461 8486 3461 8475 3462 8474
TIME...MOT...LOC 2123Z 243DEG 7KT 3448 8491 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 3:37 PM EDT	Special Weather Statement	FFC	Paulding	23 min
Aug 9, 3:38 PM EDT	Special Weather Statement	FFC	Toombs	37 min
Aug 9, 3:44 PM EDT	Special Weather Statement	FFC	Heard	31 min
Aug 9, 3:46 PM EDT	Special Weather Statement	FFC	Telfair	29 min
Aug 9, 3:47 PM EDT	Special Weather Statement	FFC	Walker	28 min
Aug 9, 3:53 PM EDT	Special Weather Statement	FFC	Floyd	37 min
Aug 9, 4:07 PM EDT	Special Weather Statement	FFC	Polk	23 min
Aug 9, 4:18 PM EDT	Special Weather Statement	FFC	Meriwether	27 min
Aug 9, 4:31 PM EDT	Special Weather Statement	FFC	Floyd	29 min
Aug 9, 4:33 PM EDT	Special Weather Statement	FFC	Emanuel	27 min
Aug 9, 4:45 PM EDT	Special Weather Statement	FFC	Meriwether, Troup	30 min
Aug 9, 5:06 PM EDT	Special Weather Statement	FFC	Gordon	24 min
Aug 9, 5:12 PM EDT	Special Weather Statement	FFC	Harris	33 min
Aug 9, 5:51 PM EDT	Severe Thunderstorm Warning	FFC	Gilmer, Gordon, Murray	24 min
Aug 9, 5:52 PM EDT	Special Weather Statement	FFC	Meriwether	38 min
Aug 9, 6:00 PM EDT	Special Weather Statement	FFC	Upson	30 min
Aug 9, 6:19 PM EDT	Special Weather Statement	FFC	Talbot	26 min
Aug 9, 6:57 PM EDT	Special Weather Statement	FFC	Marion	33 min
Aug 9, 7:23 PM EDT	Special Weather Statement	FFC	Hall	37 min
Aug 9, 7:47 PM EDT	Special Weather Statement	FFC	Chattahoochee	28 min
Aug 9, 7:51 PM EDT	Special Weather Statement	FFC	Taylor	24 min
Aug 9, 7:54 PM EDT	Special Weather Statement	FFC	Hall	36 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2021 Every severe thunderstorm warning 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.