Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 57, NWS Jacksonville, FL

April 24, 20215 counties in Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Apr 24, 2021, 9:58 PM EDT for 5 counties in Georgia. It was in force for 48 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 24, 2021, 9:58 PM EDT (01:58 UTC)
Expired: Apr 24, 2021, 10:46 PM EDT
In force: 48 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon
Tornado: Possible
Hail: 0.88 in
Wind: 60.0 mph

Counties Appling County, GA, Brantley County, GA, Glynn County, GA, Pierce County, GA, Wayne County, GA

The radar

The Jacksonville radar (KJAX), 116 km from the middle of the area, began a volume at 02:01 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, 2.0 hours before the alert went out and 114 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.

174 
WUUS52 KJAX 250158
SVRJAX
GAC001-025-127-229-305-250300-
/O.NEW.KJAX.SV.W.0057.210425T0158Z-210425T0300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jacksonville FL
958 PM EDT Sat Apr 24 2021

The National Weather Service in Jacksonville has issued a

* Severe Thunderstorm Warning for...
  Northwestern Glynn County in southeastern Georgia...
  Northeastern Pierce County in southeastern Georgia...
  Northeastern Brantley County in southeastern Georgia...
  Wayne County in southeastern Georgia...
  Southeastern Appling County in southeastern Georgia...

* Until 1100 PM EDT.

* At 957 PM EDT, a severe thunderstorm was located near Bristol, or 8
  miles north of Blackshear, moving east at 50 mph.

  HAZARD...60 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Jesup, Patterson, Gardi, Screven, Odum, Offerman, Thalmann,
  Everett, Doctortown and Mount Pleasant.

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 3169 8186 3165 8181 3166 8181 3161 8177
      3158 8170 3156 8170 3154 8167 3150 8165
      3148 8162 3145 8163 3143 8161 3138 8155
      3122 8152 3129 8218 3147 8215 3152 8222
      3171 8227
TIME...MOT...LOC 0157Z 275DEG 42KT 3141 8228 

TORNADO...POSSIBLE
HAIL...0.88IN
WIND...60MPH
 
$$

NELSON

2 follow-up statements

510 
WWUS52 KJAX 250227
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
1027 PM EDT Sat Apr 24 2021

GAC001-250236-
/O.CAN.KJAX.SV.W.0057.000000T0000Z-210425T0300Z/
Appling GA-
1027 PM EDT Sat Apr 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN APPLING COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 100 AM EDT for
southeastern Georgia.

LAT...LON 3166 8181 3161 8177 3158 8170 3156 8170
      3154 8167 3149 8164 3148 8162 3145 8163
      3138 8155 3122 8152 3129 8218 3147 8215
      3147 8213 3149 8213 3166 8193 3165 8181
TIME...MOT...LOC 0226Z 278DEG 37KT 3138 8194 

$$

GAC025-127-229-305-250300-
/O.CON.KJAX.SV.W.0057.000000T0000Z-210425T0300Z/
Glynn GA-Pierce GA-Brantley GA-Wayne GA-
1027 PM EDT Sat Apr 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT
FOR NORTHWESTERN GLYNN...NORTHEASTERN PIERCE...NORTHEASTERN BRANTLEY
AND WAYNE COUNTIES...

At 1026 PM EDT, a severe thunderstorm was located 8 miles north of
Raybon, or 11 miles east of Patterson, moving east at 45 mph.

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

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Jesup, Patterson, Gardi, Screven, Offerman, Thalmann, Everett,
Doctortown, Mount Pleasant and Hortense.

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 3166 8181 3161 8177 3158 8170 3156 8170
      3154 8167 3149 8164 3148 8162 3145 8163
      3138 8155 3122 8152 3129 8218 3147 8215
      3147 8213 3149 8213 3166 8193 3165 8181
TIME...MOT...LOC 0226Z 278DEG 37KT 3138 8194 

TORNADO...POSSIBLE
HAIL...0.88IN
WIND...60MPH
 
$$

NELSON

745 
WWUS52 KJAX 250246
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
1046 PM EDT Sat Apr 24 2021

GAC025-127-229-305-250256-
/O.CAN.KJAX.SV.W.0057.000000T0000Z-210425T0300Z/
Glynn GA-Pierce GA-Brantley GA-Wayne GA-
1046 PM EDT Sat Apr 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN GLYNN...
NORTHEASTERN PIERCE...NORTHEASTERN BRANTLEY AND WAYNE 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.  However heavy rain is
still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 100 AM EDT for
southeastern Georgia.

LAT...LON 3166 8181 3161 8177 3158 8170 3156 8170
      3154 8167 3149 8164 3148 8162 3145 8163
      3138 8155 3122 8152 3129 8218 3147 8215
      3147 8213 3149 8213 3166 8193 3165 8181
TIME...MOT...LOC 0244Z 275DEG 42KT 3136 8167 

$$

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, 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, 12:01 AM EDT	Severe Thunderstorm Warning	JAX	Brantley, Camden, Charlton, Glynn	44 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.