Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 34, NWS Jacksonville, FL

April 24, 2021Coffee County, Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Apr 24, 2021, 11:15 AM EDT for Coffee County, Georgia. It was in force for 45 min. 1 report 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: Apr 24, 2021, 11:15 AM EDT (15:15 UTC)
Expired: Apr 24, 2021, 12:00 PM EDT
In force: 45 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 70.0 mph

County Coffee County, GA

The radar

The Moody AFB radar (KVAX), 64 km from the middle of the area, began a volume at 15:16 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
Apr 24, 11:44 AM EDT	HAIL 1	4 Ssw Nicholls, GA	HAIL THE SIZE OF QUARTERS WAS REPORTED BETWEEN WILSONVILLE AND NICHOLLS ON ANDREW TANNER ROAD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

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, 10:35 AM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 3.3 hours before the alert went out and 149 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 984 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 180 m²/s²
0-3 km storm-relative helicity: 276 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

938 
WUUS52 KJAX 241515
SVRJAX
GAC069-241600-
/O.NEW.KJAX.SV.W.0034.210424T1515Z-210424T1600Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jacksonville FL
1115 AM EDT Sat Apr 24 2021

The National Weather Service in Jacksonville has issued a

* Severe Thunderstorm Warning for...
  Southern Coffee County in southeastern Georgia...

* Until noon EDT.

* At 1114 AM EDT, a severe thunderstorm was located 7 miles northeast
  of Willacoochee, moving east at 50 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Locations impacted include...
  Douglas and Nicholls. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 600 PM EDT for southeastern
Georgia.

A Tornado Watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted, act quickly and move to a
place of safety inside a sturdy structure such as a basement or small
interior room.

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

&&

LAT...LON 3155 8260 3147 8260 3147 8263 3137 8263
      3137 8281 3141 8283 3140 8293 3140 8296
      3142 8296 3142 8305 3147 8306
TIME...MOT...LOC 1514Z 262DEG 42KT 3140 8295 

HAIL...1.00IN
WIND...70MPH
 
$$

SANDRIK

3 follow-up statements

557 
WWUS52 KJAX 241529
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
1129 AM EDT Sat Apr 24 2021

GAC069-241600-
/O.CON.KJAX.SV.W.0034.000000T0000Z-210424T1600Z/
Coffee GA-
1129 AM EDT Sat Apr 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL NOON EDT FOR
SOUTHEASTERN COFFEE COUNTY...

At 1129 AM EDT, a severe thunderstorm was located 8 miles southwest
of Nicholls, or 8 miles southeast of Douglas, moving east at 50 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Douglas and Nicholls. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 600 PM EDT for southeastern
Georgia.

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a basement or small
interior room.

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

&&

LAT...LON 3155 8260 3147 8260 3147 8263 3137 8263
      3137 8281 3141 8283 3140 8293 3140 8296
      3142 8296 3144 8294 3149 8292
TIME...MOT...LOC 1529Z 262DEG 42KT 3143 8274 

HAIL...1.00IN
WIND...70MPH
 
$$

SANDRIK

201 
WWUS52 KJAX 241540
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
1140 AM EDT Sat Apr 24 2021

GAC069-241600-
/O.CON.KJAX.SV.W.0034.000000T0000Z-210424T1600Z/
Coffee GA-
1140 AM EDT Sat Apr 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL NOON EDT FOR
SOUTHEASTERN COFFEE COUNTY...

At 1140 AM EDT, a severe thunderstorm was located near Nicholls, or 9
miles southwest of Alma, moving east at 50 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Nicholls.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 600 PM EDT for southeastern
Georgia.

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a basement or small
interior room.

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

&&

LAT...LON 3155 8260 3147 8260 3147 8263 3137 8263
      3137 8281 3143 8277 3148 8273 3153 8270
TIME...MOT...LOC 1540Z 262DEG 42KT 3145 8258 

HAIL...1.00IN
WIND...70MPH
 
$$

SANDRIK

030 
WWUS52 KJAX 241557
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
1157 AM EDT Sat Apr 24 2021

GAC069-241607-
/O.EXP.KJAX.SV.W.0034.000000T0000Z-210424T1600Z/
Coffee GA-
1157 AM EDT Sat Apr 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN COFFEE COUNTY
WILL EXPIRE AT NOON EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However heavy rain
is still possible with this thunderstorm.

A Tornado Watch remains in effect until 600 PM EDT for southeastern
Georgia.

LAT...LON 3155 8260 3147 8260 3147 8263 3137 8263
      3137 8281 3143 8277 3148 8273 3153 8270
TIME...MOT...LOC 1557Z 262DEG 42KT 3148 8236 

$$

SANDRIK

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 24, 10:57 AM EDT	Severe Thunderstorm Warning	JAX	Atkinson, Clinch	48 min
Apr 24, 11:35 AM EDT	Severe Thunderstorm Warning	JAX	Bacon, Ware	40 min
Apr 24, 11:54 AM EDT	Severe Thunderstorm Warning	JAX	Atkinson	21 min
Apr 24, 12:04 PM EDT	Severe Thunderstorm Warning	JAX	Appling, Brantley, Pierce, Wayne	41 min
Apr 24, 12:08 PM EDT	Tornado Warning	JAX	Bacon	22 min
Apr 24, 12:18 PM EDT	Severe Thunderstorm Warning	JAX	Atkinson, Bacon, Clinch, Pierce, Ware	31 min
Apr 24, 12:36 PM EDT	Severe Thunderstorm Warning	JAX	Wayne	24 min
Apr 24, 12:40 PM EDT	Special Weather Statement	JAX	Clinch	50 min
Apr 24, 12:47 PM EDT	Special Weather Statement	JAX	Clinch, Pierce, Ware, Wayne	28 min
Apr 24, 1:20 PM EDT	Special Weather Statement	JAX	Brantley, Clinch, Ware	25 min
Apr 24, 1:46 PM EDT	Severe Thunderstorm Warning	JAX	Clinch, Echols	44 min
Apr 24, 1:50 PM EDT	Special Weather Statement	JAX	Camden, Charlton, Glynn	40 min
Apr 24, 2:15 PM EDT	Severe Thunderstorm Warning	JAX	Glynn	15 min
Apr 24, 2:32 PM EDT	Severe Thunderstorm Warning	JAX	Clinch, Echols	43 min
Apr 24, 2:36 PM EDT	Tornado Warning	JAX	Echols	24 min
Apr 24, 2:56 PM EDT	Severe Thunderstorm Warning	JAX	Clinch, Echols	49 min
Apr 24, 3:03 PM EDT	Tornado Warning	JAX	Clinch, Echols	27 min
Apr 24, 3:30 PM EDT	Severe Thunderstorm Warning	JAX	Clinch, Echols, Ware	45 min
Apr 24, 3:48 PM EDT	Special Weather Statement	JAX	Camden	27 min
Apr 24, 3:57 PM EDT	Severe Thunderstorm Warning	JAX	Charlton, Ware	48 min
Apr 24, 4:10 PM EDT	Severe Thunderstorm Warning	JAX	Charlton	28 min
Apr 24, 4:18 PM EDT	Severe Thunderstorm Warning	JAX	Camden	42 min
Apr 24, 5:40 PM EDT	Special Weather Statement	JAX	Coffee, Jeff Davis	35 min
Apr 24, 6:18 PM EDT	Special Weather Statement	JAX	Appling, Bacon, Coffee, Jeff Davis, Wayne	87 min
Apr 24, 6:39 PM EDT	Severe Thunderstorm Warning	JAX	Atkinson, Coffee	36 min
Apr 24, 7:12 PM EDT	Severe Thunderstorm Warning	JAX	Appling, Atkinson, Bacon, Coffee, Pierce, Ware	33 min
Apr 24, 7:40 PM EDT	Severe Thunderstorm Warning	JAX	Appling, Bacon, Brantley, Pierce, Ware, Wayne	35 min
Apr 24, 7:57 PM EDT	Special Weather Statement	JAX	Coffee, Jeff Davis	48 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.