Alert archive / Georgia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 14, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Mar 25, 2021, 1:30 PM EDT for 8 counties in Georgia. It was in force for 45 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
- Mar 25, 2021, 1:30 PM EDT (17:30 UTC)
- Expired
- Mar 25, 2021, 2:15 PM EDT
- In force
- 45 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Barrow County, GA, Cherokee County, GA, Cobb County, GA, Forsyth County, GA, Fulton County, GA, Gwinnett County, GA, Hall County, GA, Jackson County, GA
The radar
The Atlanta radar (KFFC), 109 km from the middle of the area, began a volume at 17:32 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, 5.5 hours before the alert went out and 105 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1602 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 397 m²/s²
- 0-3 km storm-relative helicity
- 647 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
617
WUUS52 KFFC 251730
SVRFFC
GAC013-057-067-117-121-135-139-157-251815-
/O.NEW.KFFC.SV.W.0014.210325T1730Z-210325T1815Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
130 PM EDT Thu Mar 25 2021
The National Weather Service in Peachtree City has issued a
* Severe Thunderstorm Warning for...
Southeastern Cherokee County in north central Georgia...
Northwestern Barrow County in north central Georgia...
Forsyth County in north central Georgia...
Northeastern Cobb County in north central Georgia...
Northeastern Gwinnett County in north central Georgia...
Southern Hall County in north central Georgia...
Northwestern Jackson County in northeastern Georgia...
Northeastern Fulton County in north central Georgia...
* Until 215 PM EDT.
* At 130 PM EDT, a severe thunderstorm was located near Birmingham,
or 9 miles southeast of Canton, moving east at 60 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...
Gainesville, Cumming, Roswell, Johns Creek, Alpharetta, Milton,
Woodstock, Sugar Hill, Suwanee, Buford, Holly Springs, Braselton,
Flowery Branch, Oakwood, Hoschton, Pendergrass, Talmo, Rest Haven,
Free Home and Candler.
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 3426 8365 3407 8371 3401 8449 3409 8450
3420 8449 3434 8399 3433 8396 3434 8397
3439 8379
TIME...MOT...LOC 1730Z 257DEG 51KT 3413 8437
HAIL...1.00IN
WIND...60MPH
$$4 follow-up statements
589
WWUS52 KFFC 251743
SVSFFC
Severe Weather Statement
National Weather Service Peachtree City GA
143 PM EDT Thu Mar 25 2021
GAC057-067-251752-
/O.CAN.KFFC.SV.W.0014.000000T0000Z-210325T1815Z/
Cherokee GA-Cobb GA-
143 PM EDT Thu Mar 25 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CHEROKEE AND
NORTHEASTERN COBB COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3426 8365 3407 8371 3402 8440 3405 8442
3411 8442 3413 8436 3417 8435 3419 8433
3419 8426 3427 8426 3434 8400 3433 8396
3434 8396 3439 8379
TIME...MOT...LOC 1742Z 257DEG 51KT 3417 8416
$$
GAC013-117-121-135-139-157-251815-
/O.CON.KFFC.SV.W.0014.000000T0000Z-210325T1815Z/
Barrow GA-Forsyth GA-Gwinnett GA-Hall GA-Jackson GA-Fulton GA-
143 PM EDT Thu Mar 25 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM EDT
FOR NORTHWESTERN BARROW...FORSYTH...NORTHEASTERN GWINNETT...SOUTHERN
HALL...NORTHWESTERN JACKSON AND NORTHEASTERN FULTON COUNTIES...
At 142 PM EDT, a severe thunderstorm was located over Cumming, moving
east at 60 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Trained weather spotters have reported wind damage and
nickel-sized hail with this storm. Storm has a history of
quarter-sized hail.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Gainesville, Cumming, Roswell, Johns Creek, Alpharetta, Milton, Sugar
Hill, Suwanee, Buford, Braselton, Flowery Branch, Oakwood, Hoschton,
Pendergrass, Talmo, Rest Haven, Candler, Drew, Chateau Elan and
Buford Dam-Lake Lanier Parks.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3426 8365 3407 8371 3402 8440 3405 8442
3411 8442 3413 8436 3417 8435 3419 8433
3419 8426 3427 8426 3434 8400 3433 8396
3434 8396 3439 8379
TIME...MOT...LOC 1742Z 257DEG 51KT 3417 8416
HAIL...0.88IN
WIND...60MPH
$$636
WWUS52 KFFC 251758
SVSFFC
Severe Weather Statement
National Weather Service Peachtree City GA
158 PM EDT Thu Mar 25 2021
GAC121-251807-
/O.CAN.KFFC.SV.W.0014.000000T0000Z-210325T1815Z/
Fulton GA-
158 PM EDT Thu Mar 25 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN FULTON COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3426 8365 3407 8371 3404 8410 3404 8411
3405 8410 3407 8418 3410 8421 3411 8426
3422 8422 3433 8396 3434 8396 3439 8379
TIME...MOT...LOC 1757Z 257DEG 51KT 3422 8390
$$
GAC013-117-135-139-157-251815-
/O.CON.KFFC.SV.W.0014.000000T0000Z-210325T1815Z/
Barrow GA-Forsyth GA-Gwinnett GA-Hall GA-Jackson GA-
158 PM EDT Thu Mar 25 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM EDT
FOR NORTHWESTERN BARROW...FORSYTH...NORTHEASTERN GWINNETT...SOUTHERN
HALL AND NORTHWESTERN JACKSON COUNTIES...
At 157 PM EDT, a severe thunderstorm was located over Oakwood, or
near Gainesville, moving east at 60 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Trained weather spotters.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Gainesville, Cumming, Sugar Hill, Suwanee, Buford, Braselton, Flowery
Branch, Oakwood, Hoschton, Pendergrass, Talmo, Rest Haven, Candler,
Drew, Chateau Elan, Buford Dam-Lake Lanier Parks, Brookwood, Road
Atlanta-Lanier Speedway, Lake Lanier Islands and Thompsons Mill.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3426 8365 3407 8371 3404 8410 3404 8411
3405 8410 3407 8418 3410 8421 3411 8426
3422 8422 3433 8396 3434 8396 3439 8379
TIME...MOT...LOC 1757Z 257DEG 51KT 3422 8390
HAIL...0.88IN
WIND...60MPH
$$877
WWUS52 KFFC 251804
SVSFFC
Severe Weather Statement
National Weather Service Peachtree City GA
204 PM EDT Thu Mar 25 2021
GAC117-251814-
/O.CAN.KFFC.SV.W.0014.000000T0000Z-210325T1815Z/
Forsyth GA-
204 PM EDT Thu Mar 25 2021
...THE SEVERE THUNDERSTORM WARNING FOR FORSYTH COUNTY IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3426 8365 3407 8371 3410 8404 3415 8408
3419 8405 3419 8400 3422 8396 3423 8397
3424 8395 3427 8395 3428 8393 3430 8393
3431 8395 3433 8395 3434 8396 3439 8379
TIME...MOT...LOC 1804Z 257DEG 51KT 3424 8378
$$
GAC013-135-139-157-251815-
/O.CON.KFFC.SV.W.0014.000000T0000Z-210325T1815Z/
Barrow GA-Gwinnett GA-Hall GA-Jackson GA-
204 PM EDT Thu Mar 25 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM EDT
FOR NORTHWESTERN BARROW...NORTHEASTERN GWINNETT...SOUTHERN HALL AND
NORTHWESTERN JACKSON COUNTIES...
At 204 PM EDT, a severe thunderstorm was located over Candler, or
near Gainesville, moving east at 60 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Trained weather spotters.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Gainesville, Sugar Hill, Buford, Braselton, Flowery Branch, Oakwood,
Hoschton, Pendergrass, Talmo, Rest Haven, Candler, Thompsons Mill,
Chateau Elan, Buford Dam-Lake Lanier Parks, Aqualand Park, Chestnut
Mountain, Road Atlanta-Lanier Speedway and Lake Lanier Islands.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3426 8365 3407 8371 3410 8404 3415 8408
3419 8405 3419 8400 3422 8396 3423 8397
3424 8395 3427 8395 3428 8393 3430 8393
3431 8395 3433 8395 3434 8396 3439 8379
TIME...MOT...LOC 1804Z 257DEG 51KT 3424 8378
HAIL...0.88IN
WIND...60MPH
$$135
WWUS52 KFFC 251810
SVSFFC
Severe Weather Statement
National Weather Service Peachtree City GA
210 PM EDT Thu Mar 25 2021
GAC013-135-139-157-251820-
/O.EXP.KFFC.SV.W.0014.000000T0000Z-210325T1815Z/
Barrow GA-Gwinnett GA-Hall GA-Jackson GA-
210 PM EDT Thu Mar 25 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BARROW...
NORTHEASTERN GWINNETT...SOUTHERN HALL AND NORTHWESTERN JACKSON
COUNTIES WILL EXPIRE AT 215 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds are still possible with this thunderstorm.
LAT...LON 3426 8365 3407 8371 3410 8404 3415 8408
3419 8405 3419 8400 3422 8396 3423 8397
3424 8395 3427 8395 3428 8393 3430 8393
3431 8395 3433 8395 3434 8396 3439 8379
TIME...MOT...LOC 1810Z 257DEG 51KT 3425 8371
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 25, 6:01 AM EDT | Special Weather Statement | FFC | Harris | 14 min |
| Mar 25, 6:23 AM EDT | Special Weather Statement | FFC | Harris | 37 min |
| Mar 25, 6:53 AM EDT | Special Weather Statement | FFC | Meriwether, Pike, Troup | 37 min |
| Mar 25, 10:37 AM EDT | Severe Thunderstorm Warning | FFC | Catoosa, Chattooga, Dade, Walker, Whitfield | 53 min |
| Mar 25, 11:19 AM EDT | Special Weather Statement | FFC | Gordon, Murray, Whitfield | 41 min |
| Mar 25, 11:46 AM EDT | Flash Flood Warning | FFC | Catoosa, Chattooga, Dade, Walker, Whitfield | 10 hr |
| Mar 25, 12:00 PM EDT | Special Weather Statement | FFC | Fannin, Gilmer, Murray | 30 min |
| Mar 25, 12:02 PM EDT | Special Weather Statement | FFC | Floyd, Polk | 28 min |
| Mar 25, 12:17 PM EDT | River Flood Warning | FFC | Dade | 31 hr |
| Mar 25, 12:21 PM EDT | Severe Thunderstorm Warning | FFC | Floyd, Haralson, Polk | 24 min |
| Mar 25, 12:41 PM EDT | Severe Thunderstorm Warning | FFC | Bartow, Cobb, Floyd, Paulding, Polk | 49 min |
| Mar 25, 1:04 PM EDT | Severe Thunderstorm Warning | FFC | Cherokee, Cobb, Forsyth, Fulton | 26 min |
| Mar 25, 1:09 PM EDT | Special Weather Statement | FFC | Towns, Union | 36 min |
| Mar 25, 2:03 PM EDT | Special Weather Statement | FFC | Chattooga, Floyd, Gordon, Polk | 42 min |
| Mar 25, 2:13 PM EDT | Special Weather Statement | FFC | Banks, Hall | 47 min |
| Mar 25, 2:42 PM EDT | River Flood Warning | FFC | Catoosa | 43 hr |
| Mar 25, 2:48 PM EDT | Special Weather Statement | FFC | Bartow, Polk | 27 min |
| Mar 25, 2:50 PM EDT | Tornado Warning | FFC | Banks, Jackson, Madison | 11 min |
| Mar 25, 3:07 PM EDT | Severe Thunderstorm Warning | FFC | Bartow, Cherokee, Cobb, Paulding, Polk | 38 min |
| Mar 25, 3:28 PM EDT | Flash Flood Warning | FFC | Bartow, Chattooga, Floyd, Gordon, Polk | 13 hr |
| Mar 25, 3:38 PM EDT | Special Weather Statement | FFC | Cherokee, Forsyth | 37 min |
| Mar 25, 4:18 PM EDT | Tornado Warning | FFC | Floyd, Polk | 57 min |
| Mar 25, 4:49 PM EDT | River Flood Warning | FFC | Chattooga | 35 hr |
| Mar 25, 4:59 PM EDT | Tornado Warning | FFC | Bartow, Floyd | 46 min |
| Mar 25, 5:34 PM EDT | Flash Flood Warning | FFC | Fannin, Gilmer, Murray, Towns, Union, Whitfield | 10 hr |
| Mar 25, 5:37 PM EDT | Severe Thunderstorm Warning | FFC | Bartow, Cherokee, Pickens | 38 min |
| Mar 25, 6:41 PM EDT | Special Weather Statement | FFC | Whitfield | 34 min |
| Mar 25, 7:25 PM EDT | Special Weather Statement | FFC | Bartow | 35 min |
| Mar 25, 7:37 PM EDT | River Flood Warning | FFC | Whitfield | 4 days |
| Mar 25, 7:45 PM EDT | Severe Thunderstorm Warning | FFC | Bartow, Cherokee, Fulton, Paulding | 45 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.