Alert archive / Georgia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 75, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at May 12, 2021, 2:14 PM EDT for 5 counties in Georgia. It was in force for 46 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
- May 12, 2021, 2:14 PM EDT (18:14 UTC)
- Expired
- May 12, 2021, 3:00 PM EDT
- In force
- 46 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Brantley County, GA, Glynn County, GA, Pierce County, GA, Ware County, GA, Wayne County, GA
The radar
The Jacksonville radar (KJAX), 105 km from the middle of the area, began a volume at 18:14 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 |
|---|---|---|---|
| May 12, 2:45 PM EDT | TSTM WND GST 43 | 6 Wnw Thalmann, GA | ALSO REPORTED NICKEL SIZE HAIL. |
| May 12, 2:45 PM EDT | HAIL 0.88 | 6 Wnw Thalmann, GA |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 6.2 hours before the alert went out and 103 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
- 299 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 809 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 3.2
The text
As transmitted.
896
WUUS52 KJAX 121814
SVRJAX
GAC025-127-229-299-305-121900-
/O.NEW.KJAX.SV.W.0075.210512T1814Z-210512T1900Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jacksonville FL
214 PM EDT Wed May 12 2021
The National Weather Service in Jacksonville has issued a
* Severe Thunderstorm Warning for...
Northwestern Glynn County in southeastern Georgia...
Central Pierce County in southeastern Georgia...
Brantley County in southeastern Georgia...
East central Ware County in southeastern Georgia...
Southern Wayne County in southeastern Georgia...
* Until 300 PM EDT.
* At 214 PM EDT, a severe thunderstorm was located near Blackshear,
moving east at 25 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Blackshear, Nahunta, Patterson, Offerman, Thalmann, Braganza,
Raybon, Waynesville, Atkinson and Mount Pleasant.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
&&
LAT...LON 3155 8169 3155 8168 3120 8166 3114 8226
3140 8226 3156 8170
TIME...MOT...LOC 1814Z 260DEG 24KT 3128 8213
HAIL...0.88IN
WIND...60MPH
$$
SHASHY4 follow-up statements
083
WWUS52 KJAX 121827
SVSJAX
Severe Weather Statement
National Weather Service Jacksonville FL
227 PM EDT Wed May 12 2021
GAC299-121836-
/O.CAN.KJAX.SV.W.0075.000000T0000Z-210512T1900Z/
Ware GA-
227 PM EDT Wed May 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL WARE COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3155 8168 3120 8166 3115 8221 3117 8221
3137 8218 3156 8170
TIME...MOT...LOC 1826Z 261DEG 30KT 3129 8199
$$
GAC025-127-229-305-121900-
/O.CON.KJAX.SV.W.0075.000000T0000Z-210512T1900Z/
Glynn GA-Pierce GA-Brantley GA-Wayne GA-
227 PM EDT Wed May 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM EDT
FOR NORTHWESTERN GLYNN...SOUTHEASTERN PIERCE...NORTHERN BRANTLEY AND
SOUTHERN WAYNE COUNTIES...
At 226 PM EDT, a severe thunderstorm was located over Raybon, or near
Nahunta, moving east at 35 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Nahunta, Patterson, Thalmann, Raybon, Waynesville, Atkinson, Mount
Pleasant, Hortense and Broadhurst.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3155 8168 3120 8166 3115 8221 3117 8221
3137 8218 3156 8170
TIME...MOT...LOC 1826Z 261DEG 30KT 3129 8199
HAIL...0.75IN
WIND...60MPH
$$
SHASHY882
WWUS52 KJAX 121836
SVSJAX
Severe Weather Statement
National Weather Service Jacksonville FL
236 PM EDT Wed May 12 2021
GAC025-127-229-305-121900-
/O.CON.KJAX.SV.W.0075.000000T0000Z-210512T1900Z/
Glynn GA-Pierce GA-Brantley GA-Wayne GA-
236 PM EDT Wed May 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM EDT
FOR NORTHWESTERN GLYNN...SOUTHEASTERN PIERCE...NORTHEASTERN BRANTLEY
AND SOUTHEASTERN WAYNE COUNTIES...
At 236 PM EDT, a severe thunderstorm was located near Raybon, or 7
miles northeast of Nahunta, moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Nahunta, Thalmann, Raybon, Waynesville, Atkinson, Mount Pleasant and
Hortense.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3155 8168 3120 8166 3116 8215 3120 8216
3140 8203 3156 8170
TIME...MOT...LOC 1836Z 260DEG 24KT 3130 8191
HAIL...0.75IN
WIND...60MPH
$$
SHASHY927
WWUS52 KJAX 121845
SVSJAX
Severe Weather Statement
National Weather Service Jacksonville FL
245 PM EDT Wed May 12 2021
GAC229-121855-
/O.CAN.KJAX.SV.W.0075.000000T0000Z-210512T1900Z/
Pierce GA-
245 PM EDT Wed May 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN PIERCE 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 3155 8168 3120 8166 3117 8202 3126 8194
3140 8189 3156 8170
TIME...MOT...LOC 1845Z 260DEG 24KT 3131 8184
$$
GAC025-127-305-121900-
/O.CON.KJAX.SV.W.0075.000000T0000Z-210512T1900Z/
Glynn GA-Brantley GA-Wayne GA-
245 PM EDT Wed May 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM EDT
FOR NORTHWESTERN GLYNN...NORTHEASTERN BRANTLEY AND SOUTHEASTERN WAYNE
COUNTIES...
At 245 PM EDT, a severe thunderstorm was located near Waynesville, or
11 miles northeast of Nahunta, moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Nahunta, Waynesville, Thalmann, Atkinson and Mount Pleasant.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3155 8168 3120 8166 3117 8202 3126 8194
3140 8189 3156 8170
TIME...MOT...LOC 1845Z 260DEG 24KT 3131 8184
HAIL...0.75IN
WIND...60MPH
$$
SHASHY522
WWUS52 KJAX 121858
SVSJAX
Severe Weather Statement
National Weather Service Jacksonville FL
258 PM EDT Wed May 12 2021
GAC025-127-305-121907-
/O.EXP.KJAX.SV.W.0075.000000T0000Z-210512T1900Z/
Glynn GA-Brantley GA-Wayne GA-
258 PM EDT Wed May 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN GLYNN...
NORTHEASTERN BRANTLEY AND SOUTHEASTERN WAYNE COUNTIES WILL EXPIRE AT
300 PM EDT...
The storm which prompted the warning has moved out of the warned
area. Therefore, the warning will be allowed to expire. However
hail and gusty winds are still possible with this thunderstorm and
another severe thunderstorm warning was issued.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Jacksonville.
Remember, a Severe Thunderstorm Warning still remains in effect for
the east of the warned area.
LAT...LON 3155 8168 3120 8166 3117 8202 3126 8194
3140 8189 3156 8170
TIME...MOT...LOC 1857Z 260DEG 24KT 3132 8176
$$
SHASHYThe office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 10:24 PM EDT | Special Weather Statement | JAX | Jeff Davis | 51 min |
| May 11, 10:47 PM EDT | Special Weather Statement | JAX | Jeff Davis | 43 min |
| May 12, 12:20 PM EDT | Special Weather Statement | JAX | Coffee | 55 min |
| May 12, 1:06 PM EDT | Special Weather Statement | JAX | Appling, Bacon | 54 min |
| May 12, 2:02 PM EDT | Special Weather Statement | JAX | Brantley, Pierce, Wayne | 43 min |
| May 12, 2:39 PM EDT | Special Weather Statement | JAX | Brantley | 51 min |
| May 12, 2:44 PM EDT | Severe Thunderstorm Warning | JAX | Brantley, Camden, Glynn, Wayne | 47 min |
| May 12, 2:50 PM EDT | Severe Thunderstorm Warning | JAX | Clinch, Echols, Ware | 55 min |
| May 12, 3:30 PM EDT | Special Weather Statement | JAX | Camden | 30 min |
| May 12, 3:42 PM EDT | Special Weather Statement | JAX | Charlton | 48 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.