Alert archive / Georgia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 50, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Apr 24, 2021, 9:03 PM EDT for 11 counties in 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
- Apr 24, 2021, 9:03 PM EDT (01:03 UTC)
- Expired
- Apr 24, 2021, 9:45 PM EDT
- In force
- 42 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Butts County, GA, Gwinnett County, GA, Henry County, GA, Jasper County, GA, Monroe County, GA, Morgan County, GA, Newton County, GA, Oconee County, GA, Rockdale County, GA, Spalding County, GA, Walton County, GA
The radar
The Atlanta radar (KFFC), 74 km from the middle of the area, began a volume at 01:06 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 |
|---|---|---|---|
| Apr 24, 9:03 PM EDT | TSTM WND DMG | 1 Wnw Rosebud, GA | TREES AND POWER LINES WERE DOWNED IN THE 2700 BLOCK OF LENORA ROAD SW. |
| Apr 24, 9:10 PM EDT | TSTM WND GST 49 | 1 Wsw Conyers, GA | MESONET STATION GA329 I-20 AT KLONDIKE WEST AVE. |
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 |
|---|---|---|---|
| Apr 24, 5:52 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 1.1 hours before the alert went out and 68 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
- 72 J/kg
- Mixed-layer CIN
- -126 J/kg
- Mixed-layer LCL
- 1188 m above ground
- 0-6 km bulk shear
- 78 kt
- 0-1 km storm-relative helicity
- 175 m²/s²
- 0-3 km storm-relative helicity
- 168 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
431
WUUS52 KFFC 250103
SVRFFC
GAC035-135-151-159-207-211-217-219-247-255-297-250145-
/O.NEW.KFFC.SV.W.0050.210425T0103Z-210425T0145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
903 PM EDT Sat Apr 24 2021
The National Weather Service in Peachtree City has issued a
* Severe Thunderstorm Warning for...
Spalding County in west central Georgia...
Rockdale County in north central Georgia...
Oconee County in northeastern Georgia...
Morgan County in north central Georgia...
Southeastern Gwinnett County in north central Georgia...
North central Monroe County in central Georgia...
Southeastern Henry County in north central Georgia...
Walton County in north central Georgia...
Butts County in central Georgia...
Jasper County in central Georgia...
Newton County in north central Georgia...
* Until 945 PM EDT.
* At 903 PM EDT, severe thunderstorms were located along a line
extending from near Rosebud to near Oak Hill to near Digbey, moving
east at 65 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, Conyers, Monroe, Covington, Jackson, Madison,
Watkinsville, Monticello, Snellville, Loganville, Locust Grove,
Social Circle, Grayson, Oxford, Porterdale, Walnut Grove, Rutledge,
Newborn and Flovilla.
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 3350 8409 3388 8399 3388 8336 3385 8328
3381 8330 3380 8329 3373 8331 3370 8340
3359 8334 3347 8338 3343 8353 3335 8354
3318 8383 3319 8404 3320 8404 3320 8412
3319 8413 3320 8438 3321 8440 3320 8447
TIME...MOT...LOC 0103Z 272DEG 55KT 3385 8396 3350 8404 3323 8452
HAIL...1.00IN
WIND...60MPH
$$1 follow-up statement
858
WWUS52 KFFC 250121
SVSFFC
Severe Weather Statement
National Weather Service Peachtree City GA
921 PM EDT Sat Apr 24 2021
GAC135-247-250131-
/O.CAN.KFFC.SV.W.0050.000000T0000Z-210425T0145Z/
Rockdale GA-Gwinnett GA-
921 PM EDT Sat Apr 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR ROCKDALE AND SOUTHEASTERN
GWINNETT COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
central, north central and west central Georgia.
LAT...LON 3350 8388 3387 8385 3388 8336 3385 8328
3381 8330 3380 8329 3373 8331 3370 8340
3359 8334 3347 8338 3343 8353 3335 8354
3318 8383 3319 8404 3320 8404 3320 8412
3319 8413 3320 8426
TIME...MOT...LOC 0121Z 272DEG 55KT 3384 8365 3349 8373 3322 8421
$$
GAC035-151-159-207-211-217-219-255-297-250145-
/O.CON.KFFC.SV.W.0050.000000T0000Z-210425T0145Z/
Spalding GA-Oconee GA-Morgan GA-Monroe GA-Henry GA-Walton GA-
Butts GA-Jasper GA-Newton GA-
921 PM EDT Sat Apr 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EDT
FOR SOUTHEASTERN SPALDING...OCONEE...MORGAN...NORTH CENTRAL MONROE...
SOUTHEASTERN HENRY...WALTON...BUTTS...JASPER AND NEWTON COUNTIES...
At 921 PM EDT, severe thunderstorms were located along a line
extending from near Gratis to Mansfield to East Griffin, moving east
at 65 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, Monroe, Covington, Jackson, Madison, Watkinsville,
Monticello, Locust Grove, Social Circle, Oxford, Walnut Grove,
Rutledge, Newborn, Flovilla, North High Shoals, Mansfield,
Jenkinsburg, Bostwick, Between and Good Hope.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3350 8388 3387 8385 3388 8336 3385 8328
3381 8330 3380 8329 3373 8331 3370 8340
3359 8334 3347 8338 3343 8353 3335 8354
3318 8383 3319 8404 3320 8404 3320 8412
3319 8413 3320 8426
TIME...MOT...LOC 0121Z 272DEG 55KT 3384 8365 3349 8373 3322 8421
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 |
|---|---|---|---|---|
| Apr 24, 8:07 PM EDT | Severe Thunderstorm Warning | FFC | Clayton, Cobb, Coweta, DeKalb, Douglas, Fayette and 4 more | 53 min |
| Apr 24, 8:20 PM EDT | Severe Thunderstorm Warning | FFC | Coweta, Fayette, Heard, Meriwether, Troup | 40 min |
| Apr 24, 8:25 PM EDT | Special Weather Statement | FFC | Forsyth | 35 min |
| Apr 24, 8:36 PM EDT | Severe Thunderstorm Warning | FFC | Clayton, Coweta, DeKalb, Fayette, Gwinnett, Henry and 4 more | 39 min |
| Apr 24, 8:59 PM EDT | Special Weather Statement | FFC | Meriwether, Pike, Troup | 31 min |
| Apr 24, 9:28 PM EDT | Special Weather Statement | FFC | Harris, Lamar, Pike, Talbot, Upson | 32 min |
| Apr 24, 9:36 PM EDT | Severe Thunderstorm Warning | FFC | Clarke, Greene, Jasper, Morgan, Oconee, Oglethorpe and 1 more | 39 min |
| Apr 24, 9:57 PM EDT | Special Weather Statement | FFC | Monroe | 33 min |
| Apr 24, 10:08 PM EDT | Special Weather Statement | FFC | Hancock, Oglethorpe, Taliaferro, Warren, Wilkes | 37 min |
| Apr 24, 10:18 PM EDT | Special Weather Statement | FFC | Jones | 27 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.