Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 62, NWS Jacksonville, FL

April 25, 20214 counties in Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Apr 25, 2021, 12:01 AM EDT for 4 counties in Georgia. It was in force for 44 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: Apr 25, 2021, 12:01 AM EDT (04:01 UTC)
Expired: Apr 25, 2021, 12:45 AM EDT
In force: 44 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

Counties Brantley County, GA, Camden County, GA, Charlton County, GA, Glynn County, GA

The radar

The Jacksonville radar (KJAX), 65 km from the middle of the area, began a volume at 04:02 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 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, 8:48 PM EDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 4.0 hours before the alert went out and 64 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 64 J/kg
Mixed-layer CIN: -157 J/kg
Mixed-layer LCL: 850 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 275 m²/s²
0-3 km storm-relative helicity: 358 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.9

Open this sounding in Storm Lab

The text

As transmitted.

236 
WUUS52 KJAX 250401
SVRJAX
GAC025-039-049-127-250445-
/O.NEW.KJAX.SV.W.0062.210425T0401Z-210425T0445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jacksonville FL
1201 AM EDT Sun Apr 25 2021

The National Weather Service in Jacksonville has issued a

* Severe Thunderstorm Warning for...
  Northern Camden County in southeastern Georgia...
  Central Glynn County in southeastern Georgia...
  Southeastern Brantley County in southeastern Georgia...
  Northeastern Charlton County in southeastern Georgia...

* Until 1245 AM EDT.

* At 1201 AM EDT, a severe thunderstorm was located 7 miles east of
  Hickox, or 7 miles southeast of Nahunta, moving east at 40 mph.

  HAZARD...60 mph wind gusts and quarter size hail. Possible tornado.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Brunswick, Woodbine, Dock Junction, Country Club Estates, Waverly,
  Waynesville, Jekyll Island, Tarboro and Dover Bluff.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3098 8139 3089 8195 3119 8200 3129 8143
      3105 8138
TIME...MOT...LOC 0401Z 265DEG 35KT 3113 8188 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

NELSON

1 follow-up statement

612 
WWUS52 KJAX 250423
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
1223 AM EDT Sun Apr 25 2021

GAC025-039-049-127-250445-
/O.CON.KJAX.SV.W.0062.000000T0000Z-210425T0445Z/
Camden GA-Glynn GA-Brantley GA-Charlton GA-
1223 AM EDT Sun Apr 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM EDT
FOR NORTHERN CAMDEN...CENTRAL GLYNN...EAST CENTRAL BRANTLEY AND
EASTERN CHARLTON COUNTIES...

At 1223 AM EDT, a severe thunderstorm was located near Woodbine,
moving east at 65 mph.

HAZARD...60 mph wind gusts and quarter size hail. Possible tornado.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Brunswick, Woodbine, Dock Junction, Country Club Estates, Waverly,
Jekyll Island, Waynesville, Tarboro and Dover Bluff.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3098 8139 3090 8195 3094 8196 3122 8183
      3129 8143 3105 8138
TIME...MOT...LOC 0423Z 261DEG 57KT 3101 8179 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

NELSON

The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 24, 8:13 PM EDT	Special Weather Statement	JAX	Wayne	32 min
Apr 24, 8:18 PM EDT	Severe Thunderstorm Warning	JAX	Appling, Bacon, Coffee, Jeff Davis	27 min
Apr 24, 8:41 PM EDT	Severe Thunderstorm Warning	JAX	Appling, Bacon, Coffee, Jeff Davis	49 min
Apr 24, 8:45 PM EDT	Flash Flood Warning	JAX	Appling, Bacon, Coffee, Jeff Davis	3 hr
Apr 24, 8:48 PM EDT	Severe Thunderstorm Warning	JAX	Atkinson, Coffee	42 min
Apr 24, 8:51 PM EDT	Tornado Warning	JAX	Atkinson, Coffee	39 min
Apr 24, 9:00 PM EDT	Special Weather Statement	JAX	Wayne	45 min
Apr 24, 9:08 PM EDT	Severe Thunderstorm Warning	JAX	Appling, Bacon, Coffee, Pierce, Ware	52 min
Apr 24, 9:16 PM EDT	Tornado Warning Tornado observed	JAX	Appling, Bacon, Coffee, Pierce, Ware	29 min
Apr 24, 9:33 PM EDT	Special Weather Statement	JAX	Atkinson, Coffee	42 min
Apr 24, 9:41 PM EDT	Tornado Warning	JAX	Bacon, Pierce, Ware	34 min
Apr 24, 9:45 PM EDT	Special Weather Statement	JAX	Appling	45 min
Apr 24, 9:50 PM EDT	Special Weather Statement	JAX	Clinch	85 min
Apr 24, 9:58 PM EDT	Severe Thunderstorm Warning	JAX	Appling, Brantley, Glynn, Pierce, Wayne	48 min
Apr 24, 10:11 PM EDT	Special Weather Statement	JAX	Bacon, Pierce	34 min
Apr 24, 10:17 PM EDT	Severe Thunderstorm Warning	JAX	Clinch	43 min
Apr 24, 10:23 PM EDT	Special Weather Statement	JAX	Atkinson	52 min
Apr 24, 10:48 PM EDT	Special Weather Statement	JAX	Bacon, Brantley, Glynn, Pierce, Wayne	42 min
Apr 24, 10:54 PM EDT	Special Weather Statement	JAX	Clinch	66 min
Apr 24, 10:57 PM EDT	Severe Thunderstorm Warning	JAX	Brantley, Charlton, Clinch, Pierce, Ware	48 min
Apr 24, 11:05 PM EDT	Severe Thunderstorm Warning	JAX	Charlton, Clinch, Echols, Ware	55 min
Apr 24, 11:16 PM EDT	Special Weather Statement	JAX	Atkinson	44 min
Apr 24, 11:27 PM EDT	Special Weather Statement	JAX	Brantley, Glynn	63 min
Apr 24, 11:34 PM EDT	Special Weather Statement	JAX	Bacon, Pierce, Wayne	56 min
Apr 24, 11:40 PM EDT	Severe Thunderstorm Warning	JAX	Brantley, Charlton, Clinch, Ware	50 min
Apr 24, 11:46 PM EDT	Special Weather Statement	JAX	Camden, Charlton	44 min
Apr 24, 11:57 PM EDT	Special Weather Statement	JAX	Brantley, Pierce	63 min
Apr 25, 12:07 AM EDT	Severe Thunderstorm Warning	JAX	Wayne	23 min
Apr 25, 12:09 AM EDT	Special Weather Statement	JAX	Echols	51 min
Apr 25, 12:33 AM EDT	Severe Thunderstorm Warning	JAX	Camden, Glynn	27 min
Apr 25, 12:36 AM EDT	Severe Thunderstorm Warning	JAX	Clinch, Echols	39 min
Apr 25, 12:52 AM EDT	Special Weather Statement	JAX	Camden, Glynn, Ware	38 min
Apr 25, 12:58 AM EDT	Special Weather Statement	JAX	Charlton	62 min
Apr 25, 1:15 AM EDT	Severe Thunderstorm Warning	JAX	Clinch, Ware	23 min
Apr 25, 1:24 AM EDT	Special Weather Statement	JAX	Camden, Glynn	66 min
Apr 25, 1:38 AM EDT	Special Weather Statement	JAX	Charlton	67 min
Apr 25, 2:12 AM EDT	Severe Thunderstorm Warning	JAX	Charlton	36 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2021 Every 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.