Alert archive / Georgia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 105, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jul 9, 2021, 2:40 PM EDT for 8 counties in Georgia. It was in force for 35 min. 3 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
- Jul 9, 2021, 2:40 PM EDT (18:40 UTC)
- Expired
- Jul 9, 2021, 3:15 PM EDT
- In force
- 35 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Clayton County, GA, DeKalb County, GA, Fulton County, GA, Gwinnett County, GA, Henry County, GA, Newton County, GA, Rockdale County, GA, Walton County, GA
The radar
The Atlanta radar (KFFC), 62 km from the middle of the area, began a volume at 18:44 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 |
|---|---|---|---|
| Jul 9, 2:45 PM EDT | TSTM WND DMG | Gresham Park, GA | A TREE WAS BLOWN DOWN ONTO A POWER LINE ON WEE KIRK RD SE. |
| Jul 9, 3:00 PM EDT | TSTM WND DMG | 2 Wsw Big Haynes Creek, GA | A TREE WAS DOWNED ON BETHEL ROAD NE. |
| Jul 9, 3:04 PM EDT | TSTM WND DMG | 2 Sse Conyers, GA | A TREE WAS DOWNED AT THE INTERSECTION OF FLAT SHOALS RD SE AND OLD SALEM RD SE. |
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, 6.7 hours before the alert went out and 57 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.
- Mixed-layer CAPE
- 785 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 638 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
047 WUUS52 KFFC 091840 SVRFFC GAC063-089-121-135-151-217-247-297-091915- /O.NEW.KFFC.SV.W.0105.210709T1840Z-210709T1915Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Peachtree City GA 240 PM EDT Fri Jul 9 2021 The National Weather Service in Peachtree City has issued a * Severe Thunderstorm Warning for... Rockdale County in north central Georgia... DeKalb County in north central Georgia... South central Gwinnett County in north central Georgia... North central Henry County in north central Georgia... Southwestern Walton County in north central Georgia... South central Fulton County in north central Georgia... Northern Clayton County in north central Georgia... Central Newton County in north central Georgia... * Until 315 PM EDT. * At 240 PM EDT, severe thunderstorms were located along a line extending from Redan to College Park, moving east at 30 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Atlanta, Decatur, Conyers, Monroe, Covington, East Point, Forest Park, College Park, Clarkston, Morrow, Hapeville, Stone Mountain, Avondale Estates, Lake City, Oxford, Lithonia, Porterdale, Walnut Grove, Pine Lake and Jersey. 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 3377 8369 3350 8392 3365 8460 3384 8430 TIME...MOT...LOC 1840Z 292DEG 28KT 3377 8413 3366 8446 HAIL...0.75IN WIND...60MPH $$
2 follow-up statements
576
WWUS52 KFFC 091900
SVSFFC
Severe Weather Statement
National Weather Service Peachtree City GA
300 PM EDT Fri Jul 9 2021
GAC121-091909-
/O.CAN.KFFC.SV.W.0105.000000T0000Z-210709T1915Z/
Fulton GA-
300 PM EDT Fri Jul 9 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL FULTON COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area, therefore, the warning has been cancelled for Fulton County.
LAT...LON 3365 8433 3384 8430 3377 8369 3350 8392
3360 8436
TIME...MOT...LOC 1859Z 292DEG 28KT 3372 8397 3361 8430
$$
GAC063-089-135-151-217-247-297-091915-
/O.CON.KFFC.SV.W.0105.000000T0000Z-210709T1915Z/
Rockdale GA-DeKalb GA-Gwinnett GA-Henry GA-Walton GA-Clayton GA-
Newton GA-
300 PM EDT Fri Jul 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR ROCKDALE...DEKALB...SOUTH CENTRAL GWINNETT...NORTH CENTRAL
HENRY...SOUTHWESTERN WALTON...NORTHEASTERN CLAYTON AND CENTRAL NEWTON
COUNTIES...
At 259 PM EDT, severe thunderstorms were located along a line
extending from near Milstead to Ellenwood, moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Decatur, Conyers, Monroe, Covington, Forest Park, Clarkston, Morrow,
Stone Mountain, Avondale Estates, Lake City, Oxford, Lithonia,
Porterdale, Walnut Grove, Pine Lake, Jersey, Belvedere Park, North
Decatur, Lakeview Estates and Candler-Mcafee.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3365 8433 3384 8430 3377 8369 3350 8392
3360 8436
TIME...MOT...LOC 1859Z 292DEG 28KT 3372 8397 3361 8430
HAIL...0.75IN
WIND...60MPH
$$316
WWUS52 KFFC 091913
SVSFFC
Severe Weather Statement
National Weather Service Peachtree City GA
313 PM EDT Fri Jul 9 2021
GAC063-089-135-151-217-247-297-091921-
/O.EXP.KFFC.SV.W.0105.000000T0000Z-210709T1915Z/
Rockdale GA-DeKalb GA-Gwinnett GA-Henry GA-Walton GA-Clayton GA-
Newton GA-
313 PM EDT Fri Jul 9 2021
...THE SEVERE THUNDERSTORM WARNING FOR ROCKDALE...DEKALB...SOUTH
CENTRAL GWINNETT...NORTH CENTRAL HENRY...SOUTHWESTERN WALTON...
NORTHEASTERN CLAYTON AND CENTRAL NEWTON COUNTIES WILL EXPIRE AT 315
PM EDT...
The storms which prompted the warning are weakening, therefore, the
warning will be allowed to expire. However, small hail, gusty winds
and heavy rain are still likely with these thunderstorms.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Peachtree City.
LAT...LON 3365 8433 3384 8430 3377 8369 3350 8392
3360 8436
TIME...MOT...LOC 1911Z 292DEG 28KT 3369 8389 3358 8422
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 9:12 PM EDT | Special Weather Statement | FFC | Morgan, Newton, Rockdale, Walton | 48 min |
| Jul 8, 9:56 PM EDT | Special Weather Statement | FFC | Morgan, Newton, Oconee, Rockdale | 49 min |
| Jul 9, 11:23 AM EDT | Special Weather Statement | FFC | Whitfield | 22 min |
| Jul 9, 11:47 AM EDT | Special Weather Statement | FFC | Murray | 43 min |
| Jul 9, 12:29 PM EDT | Special Weather Statement | FFC | Fannin, Gilmer | 31 min |
| Jul 9, 12:39 PM EDT | Special Weather Statement | FFC | Chattooga | 36 min |
| Jul 9, 1:01 PM EDT | Special Weather Statement | FFC | Gordon | 29 min |
| Jul 9, 1:09 PM EDT | Special Weather Statement | FFC | Dodge | 36 min |
| Jul 9, 1:24 PM EDT | Special Weather Statement | FFC | Hall | 36 min |
| Jul 9, 1:27 PM EDT | Special Weather Statement | FFC | Chattooga | 33 min |
| Jul 9, 1:37 PM EDT | Special Weather Statement | FFC | Gordon | 38 min |
| Jul 9, 1:59 PM EDT | Special Weather Statement | FFC | Catoosa, Chattooga, Floyd, Walker, Whitfield | 31 min |
| Jul 9, 2:11 PM EDT | Special Weather Statement | FFC | Bartow, Cherokee, Gordon | 34 min |
| Jul 9, 2:18 PM EDT | Special Weather Statement | FFC | Cobb, DeKalb, Fulton | 27 min |
| Jul 9, 2:22 PM EDT | Special Weather Statement | FFC | Polk | 8 min |
| Jul 9, 2:28 PM EDT | Special Weather Statement | FFC | Morgan, Oconee | 47 min |
| Jul 9, 2:33 PM EDT | Special Weather Statement | FFC | Bartow, Cherokee, Cobb, Forsyth, Paulding, Pickens and 1 more | 27 min |
| Jul 9, 2:36 PM EDT | Special Weather Statement | FFC | Clarke, Oglethorpe, Wilkes | 24 min |
| Jul 9, 2:47 PM EDT | Special Weather Statement | FFC | Barrow, Gwinnett, Walton | 28 min |
| Jul 9, 3:03 PM EDT | Special Weather Statement | FFC | Cobb, Forsyth, Fulton, Gwinnett | 27 min |
| Jul 9, 3:06 PM EDT | Special Weather Statement | FFC | Greene, Hancock, Jasper, Putnam, Taliaferro, Warren and 1 more | 24 min |
| Jul 9, 3:11 PM EDT | Special Weather Statement | FFC | Henry, Newton, Rockdale | 19 min |
| Jul 9, 3:24 PM EDT | Special Weather Statement | FFC | Barrow, Henry, Morgan, Newton, Oconee, Rockdale and 1 more | 36 min |
| Jul 9, 3:32 PM EDT | Special Weather Statement | FFC | Clayton, DeKalb, Douglas, Fulton | 28 min |
| Jul 9, 3:43 PM EDT | Special Weather Statement | FFC | Hancock, Putnam, Warren | 32 min |
| Jul 9, 4:04 PM EDT | Special Weather Statement | FFC | Butts, Clayton, Fayette, Henry, Jasper, Spalding | 41 min |
| Jul 9, 4:15 PM EDT | Special Weather Statement | FFC | Baldwin, Glascock, Hancock, Jefferson, Putnam | 45 min |
| Jul 9, 4:40 PM EDT | Special Weather Statement | FFC | Baldwin, Bibb, Butts, Emanuel, Glascock, Hancock and 12 more | 50 min |
| Jul 9, 5:05 PM EDT | Severe Thunderstorm Warning | FFC | Bleckley, Laurens, Twiggs, Wilkinson | 40 min |
| Jul 9, 5:20 PM EDT | Special Weather Statement | FFC | Emanuel, Johnson, Treutlen | 40 min |
| Jul 9, 5:34 PM EDT | Special Weather Statement | FFC | Bibb, Crawford | 11 min |
| Jul 9, 5:44 PM EDT | Special Weather Statement | FFC | Bibb, Bleckley, Crawford, Laurens, Peach, Twiggs and 1 more | 46 min |
| Jul 9, 5:56 PM EDT | Special Weather Statement | FFC | Emanuel, Toombs, Treutlen | 34 min |
| Jul 9, 6:28 PM EDT | Special Weather Statement | FFC | Bleckley, Crawford, Dodge, Houston, Laurens, Montgomery and 6 more | 62 min |
| Jul 9, 7:10 PM EDT | Special Weather Statement | FFC | Telfair, Wilcox | 65 min |
| Jul 9, 7:14 PM EDT | Special Weather Statement | FFC | Muscogee | 46 min |
| Jul 9, 7:26 PM EDT | Special Weather Statement | FFC | Dodge, Pulaski, Wheeler | 34 min |
| Jul 9, 7:34 PM EDT | Special Weather Statement | FFC | Chattahoochee | 26 min |
| Jul 9, 7:59 PM EDT | Special Weather Statement | FFC | Chattahoochee, Macon, Marion, Schley | 46 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2021Every 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.