Alert archive / Georgia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 139, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Aug 30, 2021, 2:33 PM EDT for Chattooga County, Floyd County, Georgia. It was in force for 30 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
- Aug 30, 2021, 2:33 PM EDT (18:33 UTC)
- Expired
- Aug 30, 2021, 3:03 PM EDT
- In force
- 30 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Chattooga County, GA, Floyd County, GA
The radar
The Northeast Alabama radar (KHTX), 80 km from the middle of the area, began a volume at 18:34 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, 6.6 hours before the alert went out and 150 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
- 1025 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 710 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
028
WUUS52 KFFC 301833
SVRFFC
GAC055-115-301915-
/O.NEW.KFFC.SV.W.0139.210830T1833Z-210830T1915Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
233 PM EDT Mon Aug 30 2021
The National Weather Service in Peachtree City has issued a
* Severe Thunderstorm Warning for...
West central Floyd County in northwestern Georgia...
Chattooga County in northwestern Georgia...
* Until 315 PM EDT.
* At 233 PM EDT, a severe thunderstorm was located over Holland, or 9
miles south of Summerville, moving northwest at 20 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...
Summerville, Trion, Lyerly, Menlo, Cloudland, Berryton,
Chattoogaville, James H. Floyd State Park and Holland.
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 3459 8537 3458 8536 3458 8535 3459 8535
3459 8534 3432 8525 3427 8541 3431 8547
3459 8553
TIME...MOT...LOC 1833Z 155DEG 16KT 3435 8539
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$2 follow-up statements
941
WWUS52 KFFC 301846
SVSFFC
Severe Weather Statement
National Weather Service Peachtree City GA
246 PM EDT Mon Aug 30 2021
GAC115-301856-
/O.CAN.KFFC.SV.W.0139.000000T0000Z-210830T1915Z/
Floyd GA-
246 PM EDT Mon Aug 30 2021
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL FLOYD COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3459 8537 3458 8536 3458 8535 3459 8535
3459 8534 3439 8527 3437 8534 3433 8537
3429 8539 3429 8543 3431 8547 3459 8553
TIME...MOT...LOC 1846Z 155DEG 16KT 3440 8542
$$
GAC055-301915-
/O.CON.KFFC.SV.W.0139.000000T0000Z-210830T1915Z/
Chattooga GA-
246 PM EDT Mon Aug 30 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR CHATTOOGA COUNTY...
At 246 PM EDT, a severe thunderstorm was located over Lyerly, or near
Summerville, moving northwest at 20 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Summerville, Trion, Lyerly, Menlo, Cloudland, Berryton,
Chattoogaville, James H. Floyd State Park and Holland.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3459 8537 3458 8536 3458 8535 3459 8535
3459 8534 3439 8527 3437 8534 3433 8537
3429 8539 3429 8543 3431 8547 3459 8553
TIME...MOT...LOC 1846Z 155DEG 16KT 3440 8542
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$895
WWUS52 KFFC 301903
SVSFFC
Severe Weather Statement
National Weather Service Peachtree City GA
303 PM EDT Mon Aug 30 2021
GAC055-301913-
/O.CAN.KFFC.SV.W.0139.000000T0000Z-210830T1915Z/
Chattooga GA-
303 PM EDT Mon Aug 30 2021
...THE SEVERE THUNDERSTORM WARNING FOR CHATTOOGA COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has weakened.
Therefore, the warning has been cancelled. However gusty winds are
still possible with this thunderstorm.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Peachtree City.
LAT...LON 3459 8537 3458 8536 3458 8535 3459 8535
3459 8534 3439 8527 3437 8534 3433 8537
3429 8539 3429 8543 3431 8547 3459 8553
TIME...MOT...LOC 1859Z 155DEG 16KT 3447 8546
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 4:19 AM EDT | Flood Watch | FFC | Bartow, Catoosa, Chattooga, Cherokee, Dade, Dawson and 12 more | 1 min |
| Aug 30, 4:27 AM EDT | Flash Flood Watch | FFC | Bartow, Carroll, Catoosa, Chattooga, Cherokee, Cobb and 22 more | 43 hr |
| Aug 30, 2:29 PM EDT | Special Weather Statement | FFC | Chattooga | 31 min |
| Aug 30, 4:09 PM EDT | Special Weather Statement | FFC | Catoosa, Whitfield | 36 min |
| Aug 30, 4:11 PM EDT | Special Weather Statement | FFC | Gordon | 34 min |
| Aug 30, 4:34 PM EDT | Special Weather Statement | FFC | Pickens | 26 min |
| Aug 30, 4:41 PM EDT | Tornado Warning | FFC | Gilmer, Gordon, Pickens | 14 min |
| Aug 30, 4:44 PM EDT | Special Weather Statement | FFC | Gordon | 31 min |
| Aug 30, 5:11 PM EDT | Special Weather Statement | FFC | Gilmer, Murray, Pickens, Whitfield | 34 min |
| Aug 30, 5:29 PM EDT | Severe Thunderstorm Warning | FFC | Dawson, Fannin, Gilmer, Pickens | 31 min |
| Aug 30, 5:46 PM EDT | Special Weather Statement | FFC | Lamar | 29 min |
| Aug 30, 6:56 PM EDT | Special Weather Statement | FFC | Coweta | 34 min |
| Aug 30, 7:23 PM EDT | Special Weather Statement | FFC | Carroll | 22 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.