Alert archive / Georgia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 155, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Aug 31, 2021, 12:48 PM EDT for 4 counties in Georgia. It was in force for 16 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 31, 2021, 12:48 PM EDT (16:48 UTC)
- Expired
- Aug 31, 2021, 1:04 PM EDT
- In force
- 16 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Atkinson County, GA, Clinch County, GA, Coffee County, GA, Ware County, GA
The radar
The Moody AFB radar (KVAX), 31 km from the middle of the area, began a volume at 16:52 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
Jacksonville, FL (KJAX), launched 12:00Z, 4.8 hours before the alert went out and 131 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
- 1441 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 834 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
521
WUUS52 KJAX 311648
SVRJAX
GAC003-065-069-299-311715-
/O.NEW.KJAX.SV.W.0155.210831T1648Z-210831T1715Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jacksonville FL
1248 PM EDT Tue Aug 31 2021
The National Weather Service in Jacksonville has issued a
* Severe Thunderstorm Warning for...
South central Coffee County in southeastern Georgia...
Eastern Atkinson County in southeastern Georgia...
Northwestern Ware County in southeastern Georgia...
Northwestern Clinch County in southeastern Georgia...
* Until 115 PM EDT.
* At 1247 PM EDT, a severe thunderstorm was located near Du Pont, or
9 miles west of Homerville, moving northeast at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Homerville, Pearson, Du Pont, Cogdell, Millwood and Axson.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3117 8297 3148 8277 3124 8254 3085 8290
3092 8297
TIME...MOT...LOC 1647Z 210DEG 29KT 3103 8291
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
NGUYEN1 follow-up statement
019
WWUS52 KJAX 311704
SVSJAX
Severe Weather Statement
National Weather Service Jacksonville FL
104 PM EDT Tue Aug 31 2021
GAC003-065-069-299-311714-
/O.CAN.KJAX.SV.W.0155.000000T0000Z-210831T1715Z/
Coffee GA-Atkinson GA-Ware GA-Clinch GA-
104 PM EDT Tue Aug 31 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL COFFEE...EASTERN
ATKINSON...NORTHWESTERN WARE AND NORTHWESTERN CLINCH COUNTIES IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.
LAT...LON 3117 8297 3148 8277 3124 8254 3085 8290
3092 8297
TIME...MOT...LOC 1703Z 210DEG 29KT 3115 8283
$$
NGUYENThe office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 12:03 PM EDT | Special Weather Statement | JAX | Echols | 42 min |
| Aug 31, 12:41 PM EDT | Special Weather Statement | JAX | Atkinson, Clinch, Coffee | 49 min |
| Aug 31, 1:11 PM EDT | Special Weather Statement | JAX | Ware | 49 min |
| Aug 31, 1:30 PM EDT | Special Weather Statement | JAX | Appling, Bacon, Brantley, Coffee, Jeff Davis, Pierce | 30 min |
| Aug 31, 1:53 PM EDT | Special Weather Statement | JAX | Appling, Bacon, Jeff Davis, Pierce | 52 min |
| Aug 31, 2:31 PM EDT | Special Weather Statement | JAX | Wayne | 44 min |
| Aug 31, 3:33 PM EDT | Special Weather Statement | JAX | Echols | 42 min |
| Aug 31, 3:44 PM EDT | Special Weather Statement | JAX | Glynn | 46 min |
| Aug 31, 4:37 PM EDT | Special Weather Statement | JAX | Glynn | 23 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.