Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 99, NWS Atlanta, GA

June 14, 2021Butts County, Henry County, Spalding County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 14, 2021, 4:15 PM EDT for Butts County, Henry County, Spalding County, Georgia. It was in force for 45 min. 1 report 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 14, 2021, 4:15 PM EDT (20:15 UTC)
Expired: Jun 14, 2021, 5:00 PM EDT
In force: 45 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Butts County, GA, Henry County, GA, Spalding County, GA

The radar

The Atlanta radar (KFFC), 33 km from the middle of the area, began a volume at 20:20 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 14, 4:54 PM EDT	TSTM WND DMG	2 Nne Mckibben, GA	APPROXIMATLY FIVE TREES WERE REPORTED DOWN NEAR THE INTERSECTION ENGLAND CAPEL RD AND COUNTY LINE RD. ONE TREE WAS REPORTED ON A POWERLINE.

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, 8.3 hours before the alert went out and 27 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: 740 J/kg
Mixed-layer CIN: -90 J/kg
Mixed-layer LCL: 1027 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 77 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

As transmitted.

429 
WUUS52 KFFC 142015
SVRFFC
GAC035-151-255-142100-
/O.NEW.KFFC.SV.W.0099.210614T2015Z-210614T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
415 PM EDT Mon Jun 14 2021

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Spalding County in west central Georgia...
  Southwestern Henry County in north central Georgia...
  Southwestern Butts County in central Georgia...

* Until 500 PM EDT.

* At 414 PM EDT, a severe thunderstorm was located near Luella, or 7
  miles southwest of McDonough, moving southeast at 15 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...
  Griffin, McDonough, Hampton, Locust Grove, Orchard Hill, Sunny
  Side, East Griffin, Highland Mills, Blacksville, Towalaga,
  Experiment, Walker Mill, McKibben, Luella and Atlanta Motor
  Speedway.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

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 3335 8435 3339 8435 3347 8416 3320 8395
      3320 8412 3318 8413 3318 8422 3319 8423
      3319 8428 3335 8436
TIME...MOT...LOC 2014Z 334DEG 15KT 3336 8423 

HAIL...1.00IN
WIND...60MPH
 
$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 10:22 PM EDT	Special Weather Statement	FFC	Catoosa	23 min
Jun 13, 10:37 PM EDT	Special Weather Statement	FFC	Dade	23 min
Jun 14, 2:18 PM EDT	Special Weather Statement	FFC	Dawson, Forsyth, Hall	42 min
Jun 14, 2:59 PM EDT	Special Weather Statement	FFC	Heard, Troup	31 min
Jun 14, 3:05 PM EDT	Special Weather Statement	FFC	Henry	40 min
Jun 14, 3:07 PM EDT	Special Weather Statement	FFC	Hall	38 min
Jun 14, 3:23 PM EDT	Severe Thunderstorm Warning	FFC	Heard, Meriwether, Troup	52 min
Jun 14, 4:02 PM EDT	Special Weather Statement	FFC	Banks	28 min
Jun 14, 4:17 PM EDT	Special Weather Statement	FFC	Harris, Troup	43 min
Jun 14, 4:33 PM EDT	Special Weather Statement	FFC	Clayton	42 min
Jun 14, 4:48 PM EDT	Special Weather Statement	FFC	Webster	27 min
Jun 14, 4:52 PM EDT	Severe Thunderstorm Warning	FFC	Gwinnett, Newton, Rockdale, Walton	38 min
Jun 14, 5:02 PM EDT	Special Weather Statement	FFC	Butts	28 min
Jun 14, 5:16 PM EDT	Special Weather Statement	FFC	Taylor	44 min
Jun 14, 5:34 PM EDT	Special Weather Statement	FFC	Newton, Rockdale	26 min
Jun 14, 5:37 PM EDT	Special Weather Statement	FFC	DeKalb	38 min
Jun 14, 6:17 PM EDT	Special Weather Statement	FFC	Morgan	43 min
Jun 14, 6:25 PM EDT	Special Weather Statement	FFC	Bibb, Crawford	50 min
Jun 14, 6:38 PM EDT	Special Weather Statement	FFC	Schley	37 min
Jun 14, 6:40 PM EDT	Severe Thunderstorm Warning	FFC	Bibb, Crawford, Monroe	50 min
Jun 14, 6:46 PM EDT	Special Weather Statement	FFC	Taliaferro	44 min
Jun 14, 7:01 PM EDT	Severe Thunderstorm Warning	FFC	Greene, Taliaferro, Warren, Wilkes	44 min
Jun 14, 7:51 PM EDT	Special Weather Statement	FFC	Warren	39 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.