Alert archive / Georgia / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 166, NWS Atlanta, GA

June 21, 2020Coweta County, Fayette County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 21, 2020, 5:48 PM EDT for Coweta County, Fayette County, Georgia. It was in force for 42 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: Jun 21, 2020, 5:48 PM EDT (21:48 UTC)
Expired: Jun 21, 2020, 6:30 PM EDT
In force: 42 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Coweta County, GA, Fayette County, GA

The radar

The Atlanta radar (KFFC), 13 km from the middle of the area, began a volume at 21:49 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
Jun 21, 5:48 PM EDT	HAIL 0.7	3 Wnw Sharpsburg, GA	ESTIMATED DIME SIZE HAIL REPORTED NEAR THE INTERSECTION OF PARKS RD AND POPULAR RD.
Jun 21, 5:58 PM EDT	TSTM WND DMG	3 Sw Fayetteville, GA	TREE REPORTED DOWN NEAR THE INTERSECTION OF LESTER ROAD AND BUCKINGHAM DR.

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, 9.8 hours before the alert went out and 8 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: 134 J/kg
Mixed-layer CIN: -85 J/kg
Mixed-layer LCL: 1488 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 21 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

307 
WUUS52 KFFC 212148
SVRFFC
GAC077-113-212230-
/O.NEW.KFFC.SV.W.0166.200621T2148Z-200621T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
548 PM EDT Sun Jun 21 2020

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Fayette County in north central Georgia...
  East central Coweta County in west central Georgia...

* Until 630 PM EDT.

* At 548 PM EDT, a severe thunderstorm was located over Sharpsburg,
  or 9 miles east of Newnan, moving east at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Newnan, Fayetteville, Peachtree City, Tyrone, Senoia, Sharpsburg,
  Turin, Woolsey, Starrs Mill and Inman.

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 3354 8444 3350 8442 3348 8440 3345 8438
      3344 8440 3342 8440 3341 8439 3339 8440
      3338 8439 3337 8440 3334 8438 3333 8439
      3331 8469 3337 8472
TIME...MOT...LOC 2148Z 249DEG 30KT 3335 8464 

HAIL...<.75IN
WIND...60MPH
 
$$

1 follow-up statement

713 
WWUS52 KFFC 212215
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
615 PM EDT Sun Jun 21 2020

GAC077-212225-
/O.CAN.KFFC.SV.W.0166.000000T0000Z-200621T2230Z/
Coweta GA-
615 PM EDT Sun Jun 21 2020

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL COWETA COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3354 8444 3350 8442 3346 8438 3344 8440
      3342 8440 3341 8439 3339 8440 3338 8439
      3337 8440 3334 8438 3333 8440 3332 8453
      3333 8453 3334 8456 3340 8461
TIME...MOT...LOC 2215Z 249DEG 30KT 3343 8439 

$$

GAC113-212230-
/O.CON.KFFC.SV.W.0166.000000T0000Z-200621T2230Z/
Fayette GA-
615 PM EDT Sun Jun 21 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR FAYETTE COUNTY...

At 615 PM EDT, a severe thunderstorm was located over Jw Smith
Reservoir, or near Fayetteville, moving east at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Fayetteville, Peachtree City, Senoia, Woolsey, Starrs Mill and Inman.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3354 8444 3350 8442 3346 8438 3344 8440
      3342 8440 3341 8439 3339 8440 3338 8439
      3337 8440 3334 8438 3333 8440 3332 8453
      3333 8453 3334 8456 3340 8461
TIME...MOT...LOC 2215Z 249DEG 30KT 3343 8439 

HAIL...<.75IN
WIND...60MPH
 
$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 21, 3:46 PM EDT	Special Weather Statement	FFC	Catoosa, Dade, Walker	44 min
Jun 21, 3:49 PM EDT	Special Weather Statement	FFC	Haralson, Polk	41 min
Jun 21, 3:56 PM EDT	Special Weather Statement	FFC	Carroll	34 min
Jun 21, 4:09 PM EDT	Severe Thunderstorm Warning	FFC	Haralson, Polk	18 min
Jun 21, 4:24 PM EDT	Special Weather Statement	FFC	Cobb, Paulding	36 min
Jun 21, 4:25 PM EDT	Special Weather Statement	FFC	Gordon	35 min
Jun 21, 4:29 PM EDT	Special Weather Statement	FFC	Floyd	46 min
Jun 21, 4:40 PM EDT	Special Weather Statement	FFC	Carroll	35 min
Jun 21, 4:50 PM EDT	Special Weather Statement	FFC	Murray, Whitfield	40 min
Jun 21, 4:54 PM EDT	Special Weather Statement	FFC	Heard	36 min
Jun 21, 5:03 PM EDT	Special Weather Statement	FFC	Cherokee	27 min
Jun 21, 5:12 PM EDT	Special Weather Statement	FFC	Douglas	33 min
Jun 21, 5:19 PM EDT	Special Weather Statement	FFC	Gilmer	26 min
Jun 21, 5:22 PM EDT	Special Weather Statement	FFC	Coweta	23 min
Jun 21, 5:26 PM EDT	Special Weather Statement	FFC	Troup	34 min
Jun 21, 5:28 PM EDT	Special Weather Statement	FFC	Murray	32 min
Jun 21, 5:35 PM EDT	Special Weather Statement	FFC	Dawson	25 min
Jun 21, 5:40 PM EDT	Special Weather Statement	FFC	Meriwether	35 min
Jun 21, 5:42 PM EDT	Special Weather Statement	FFC	Clayton, Cobb, Coweta, Douglas, Fayette, Fulton	33 min
Jun 21, 5:45 PM EDT	Special Weather Statement	FFC	Fannin, Gilmer	30 min
Jun 21, 5:55 PM EDT	Special Weather Statement	FFC	Hall	35 min
Jun 21, 5:58 PM EDT	Special Weather Statement	FFC	Dawson, Lumpkin	32 min
Jun 21, 6:12 PM EDT	Special Weather Statement	FFC	Meriwether, Pike, Troup	33 min
Jun 21, 6:16 PM EDT	Special Weather Statement	FFC	Madison	29 min
Jun 21, 6:23 PM EDT	Severe Thunderstorm Warning	FFC	Lumpkin, Union	40 min
Jun 21, 6:25 PM EDT	Special Weather Statement	FFC	Fayette	35 min
Jun 21, 6:31 PM EDT	Special Weather Statement	FFC	Hall, White	29 min
Jun 21, 6:35 PM EDT	Special Weather Statement	FFC	Lamar	25 min
Jun 21, 6:42 PM EDT	Special Weather Statement	FFC	Troup	48 min
Jun 21, 6:47 PM EDT	Special Weather Statement	FFC	Henry, Spalding	28 min
Jun 21, 6:50 PM EDT	Special Weather Statement	FFC	Pike	25 min
Jun 21, 6:52 PM EDT	Special Weather Statement	FFC	Towns	38 min
Jun 21, 6:56 PM EDT	Special Weather Statement	FFC	Banks, White	34 min
Jun 21, 6:58 PM EDT	Special Weather Statement	FFC	Upson	32 min
Jun 21, 7:02 PM EDT	Special Weather Statement	FFC	Butts, Lamar	28 min
Jun 21, 7:26 PM EDT	Special Weather Statement	FFC	Butts, Jasper, Monroe, Morgan	34 min
Jun 21, 7:28 PM EDT	Special Weather Statement	FFC	Bleckley	32 min
Jun 21, 7:57 PM EDT	Special Weather Statement	FFC	Bibb, Jasper, Jones, Morgan, Putnam	33 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2020 Every severe thunderstorm warning in 2020

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.