Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 79, NWS Atlanta, GA

May 4, 20214 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 4, 2021, 7:51 PM EDT for 4 counties in Georgia. It was in force for 39 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: May 4, 2021, 7:51 PM EDT (23:51 UTC)
Expired: May 4, 2021, 8:30 PM EDT
In force: 39 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Harris County, GA, Meriwether County, GA, Muscogee County, GA, Troup County, GA

The radar

The Atlanta radar (KFFC), 64 km from the middle of the area, began a volume at 23:53 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
May 4, 8:07 PM EDT	TSTM WND DMG	1 Sse Abbottsford, GA	LARGE TREE DOWN ACROSS HWY 109 NEAR MILE MARKER 3 BLOCKING PORTIONS OF THE ROAD.
May 4, 8:15 PM EDT	TSTM WND DMG	1 Nw Lagrange, GA	TENS OF TENS AND POWERLINES WERE BLOWN DOWN IN AND AROUND LAGRANGE, CAUSED BY MULTIPLE WAVES OF SVERE STORMS BETWEEN 8-9 PM.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 4, 7:26 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.9 hours before the alert went out and 69 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: 590 J/kg
Mixed-layer CIN: -114 J/kg
Mixed-layer LCL: 753 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 207 m²/s²
0-3 km storm-relative helicity: 213 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.3

Open this sounding in Storm Lab

The text

As transmitted.

640 
WUUS52 KFFC 042351
SVRFFC
GAC145-199-215-285-050030-
/O.NEW.KFFC.SV.W.0079.210504T2351Z-210505T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
751 PM EDT Tue May 4 2021

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Western Meriwether County in west central Georgia...
  Muscogee County in west central Georgia...
  Troup County in west central Georgia...
  Harris County in west central Georgia...

* Until 830 PM EDT.

* At 751 PM EDT, a severe thunderstorm was located over State Line
  Park, or 8 miles east of Stroud, moving northeast at 55 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...
  Columbus, LaGrange, Hamilton, Greenville, Manchester, West Point,
  Hogansville, Pine Mountain, Waverly Hall, Warm Springs, Lone Oak,
  North Fort Benning, Bibb City, Upatoi, F.d. Roosevelt State Park,
  Green Island Hills, Cataula, Columbus Metropolitan Airport, Louise
  and Stovall.

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 3316 8512 3320 8511 3317 8508 3323 8487
      3319 8486 3322 8485 3304 8462 3285 8463
      3284 8470 3253 8468 3248 8473 3238 8497
      3252 8500 3264 8511 3276 8514 3278 8512
      3281 8517 3285 8515 3286 8519 3313 8524
TIME...MOT...LOC 2351Z 236DEG 50KT 3301 8520 

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

1 follow-up statement

021 
WWUS52 KFFC 050014
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
814 PM EDT Tue May 4 2021

GAC145-199-215-285-050030-
/O.CON.KFFC.SV.W.0079.000000T0000Z-210505T0030Z/
Meriwether GA-Muscogee GA-Troup GA-Harris GA-
814 PM EDT Tue May 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR WESTERN MERIWETHER...MUSCOGEE...TROUP AND HARRIS COUNTIES...

At 813 PM EDT, a severe thunderstorm was located near LaGrange, 
moving east at 55 mph. Another lines of severe thunderstorms was 
located 15 miles west of the Alabama-Georgia state line also moving 
east at 55 mph. Damaging winds are likely with this second line of 
storms.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Columbus, LaGrange, Hamilton, Greenville, Manchester, West Point,
Hogansville, Pine Mountain, Waverly Hall, Warm Springs, Lone Oak,
North Fort Benning, Bibb City, Upatoi, F.d. Roosevelt State Park,
Green Island Hills, Cataula, Columbus Metropolitan Airport, Louise
and Stovall.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3316 8512 3320 8511 3317 8508 3323 8487
      3319 8486 3322 8485 3304 8462 3285 8463
      3284 8470 3253 8468 3248 8473 3238 8497
      3252 8500 3264 8511 3276 8514 3278 8512
      3281 8517 3285 8515 3286 8519 3313 8524
TIME...MOT...LOC 0013Z 247DEG 46KT 3302 8498 

HAIL...1.00IN
WIND...70MPH
 
$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 3, 8:01 PM EDT	River Flood Warning	FFC	Gwinnett, Walton	2 hr
May 3, 8:09 PM EDT	Special Weather Statement	FFC	Harris	36 min
May 3, 8:45 PM EDT	Special Weather Statement	FFC	Talbot	30 min
May 3, 9:14 PM EDT	River Flood Warning	FFC	DeKalb, Rockdale	48 hr
May 3, 9:38 PM EDT	Special Weather Statement	FFC	Emanuel	22 min
May 3, 9:58 PM EDT	River Flood Warning	FFC	Carroll, Coweta, Heard	12 hr
May 3, 9:58 PM EDT	River Flood Warning	FFC	Cobb, Douglas	12 hr
May 3, 9:58 PM EDT	River Flood Warning	FFC	Clarke, Greene, Oconee	37 hr
May 3, 9:58 PM EDT	River Flood Warning	FFC	Cobb, Fulton	3 hr
May 3, 11:38 PM EDT	Special Weather Statement	FFC	Chattahoochee, Muscogee	67 min
May 4, 12:48 AM EDT	Special Weather Statement	FFC	Montgomery, Treutlen	27 min
May 4, 1:17 AM EDT	Special Weather Statement	FFC	Montgomery, Toombs	28 min
May 4, 1:36 AM EDT	River Flood Warning	FFC	Newton, Rockdale	9 hr
May 4, 4:34 AM EDT	River Flood Warning	FFC	Gwinnett	5 hr
May 4, 10:42 AM EDT	Severe Thunderstorm Warning	FFC	Catoosa, Dade, Walker	48 min
May 4, 11:01 AM EDT	Special Weather Statement	FFC	Walker	29 min
May 4, 11:05 AM EDT	Severe Thunderstorm Warning	FFC	Chattooga, Dade, Floyd, Walker, Whitfield	25 min
May 4, 11:25 AM EDT	Severe Thunderstorm Warning	FFC	Catoosa, Murray, Walker, Whitfield	35 min
May 4, 11:48 AM EDT	Special Weather Statement	FFC	Chattooga	42 min
May 4, 11:57 AM EDT	Special Weather Statement	FFC	Fannin	33 min
May 4, 12:18 PM EDT	Special Weather Statement	FFC	Chattooga, Floyd, Gordon	57 min
May 4, 12:29 PM EDT	Special Weather Statement	FFC	Floyd, Gilmer, Gordon, Polk	31 min
May 4, 12:35 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Cherokee, Dawson, Gilmer, Gordon, Pickens	40 min
May 4, 12:59 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Cherokee, Cobb, Paulding, Polk	31 min
May 4, 1:13 PM EDT	Special Weather Statement	FFC	Haralson, Paulding	32 min
May 4, 1:28 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Cobb, Douglas, Haralson, Paulding	32 min
May 4, 1:47 PM EDT	Special Weather Statement	FFC	Banks, Hall, White	28 min
May 4, 1:48 PM EDT	Special Weather Statement	FFC	Forsyth, Gwinnett	27 min
May 4, 1:52 PM EDT	Severe Thunderstorm Warning	FFC	Cobb, Forsyth, Fulton, Gwinnett, Hall	38 min
May 4, 2:16 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Carroll, Floyd, Haralson, Paulding, Polk	44 min
May 4, 2:20 PM EDT	Special Weather Statement	FFC	DeKalb, Rockdale, Walton	25 min
May 4, 2:25 PM EDT	Special Weather Statement	FFC	Banks	35 min
May 4, 2:26 PM EDT	Special Weather Statement	FFC	Barrow	19 min
May 4, 2:41 PM EDT	Special Weather Statement	FFC	Barrow, Clarke, Jackson, Madison, Newton, Oconee and 2 more	34 min
May 4, 2:57 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Carroll, Cherokee, Cobb, Douglas, Fulton and 3 more	48 min
May 4, 3:08 PM EDT	Flash Flood Warning	FFC	Barrow, Carroll, Cobb, DeKalb, Douglas, Fulton and 6 more	7 hr
May 4, 3:34 PM EDT	Special Weather Statement	FFC	Morgan	26 min
May 4, 3:35 PM EDT	Special Weather Statement	FFC	Heard	25 min
May 4, 4:13 PM EDT	Special Weather Statement	FFC	Coweta, Fayette	32 min
May 4, 4:46 PM EDT	Special Weather Statement	FFC	Henry, Spalding	29 min
May 4, 5:23 PM EDT	Special Weather Statement	FFC	Jones	37 min
May 4, 5:51 PM EDT	Special Weather Statement	FFC	Wilcox	24 min
May 4, 6:17 PM EDT	Special Weather Statement	FFC	Bleckley, Pulaski	28 min
May 4, 6:24 PM EDT	Severe Thunderstorm Warning	FFC	Bleckley, Dodge, Pulaski	36 min
May 4, 7:17 PM EDT	Special Weather Statement	FFC	Houston, Twiggs, Wilkinson	28 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.