Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 50, NWS Jacksonville, FL

April 24, 2021Atkinson County, Coffee County, Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Apr 24, 2021, 6:39 PM EDT for Atkinson County, Coffee County, Georgia. It was in force for 36 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, 6:39 PM EDT (22:39 UTC)
Expired: Apr 24, 2021, 7:15 PM EDT
In force: 36 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Atkinson County, GA, Coffee County, GA

The radar

The Moody AFB radar (KVAX), 60 km from the middle of the area, began a volume at 22:39 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, 7:09 PM EDT	HAIL 0.25	5 Se Douglas, GA	PEA SIZE HAIL WAS REPORTED NEAR SATILLA ELEMENTARY SCHOOL. TIME ESTIMATION BASED ON RADAR.

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, 10.7 hours before the alert went out and 163 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.

175 
WUUS52 KJAX 242239
SVRJAX
GAC003-069-242315-
/O.NEW.KJAX.SV.W.0050.210424T2239Z-210424T2315Z/

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

The National Weather Service in Jacksonville has issued a

* Severe Thunderstorm Warning for...
  Coffee County in southeastern Georgia...
  Northern Atkinson County in southeastern Georgia...

* Until 715 PM EDT.

* At 638 PM EDT, a severe thunderstorm was located near Alapaha, or 8
  miles northwest of Willacoochee, moving east at 50 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Douglas, Willacoochee and West Green. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3147 8314 3147 8312 3155 8307 3164 8267
      3145 8263 3133 8263 3131 8306 3134 8307
      3136 8310 3139 8311 3140 8314 3143 8314
      3146 8315
TIME...MOT...LOC 2238Z 257DEG 43KT 3141 8316 

HAIL...1.00IN
WIND...<50MPH
 
$$

BOOTHE

1 follow-up statement

484 
WWUS52 KJAX 242313
SVSJAX

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

GAC003-069-242323-
/O.EXP.KJAX.SV.W.0050.000000T0000Z-210424T2315Z/
Coffee GA-Atkinson GA-
713 PM EDT Sat Apr 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR COFFEE AND NORTHERN ATKINSON
COUNTIES WILL EXPIRE AT 715 PM EDT...
    
This warning has been replaced by another a Severe Thunderstorm 
Warning.

LAT...LON 3147 8314 3147 8312 3155 8307 3164 8267
      3145 8263 3133 8263 3131 8306 3134 8307
      3136 8310 3139 8311 3140 8314 3143 8314
      3146 8315
TIME...MOT...LOC 2313Z 257DEG 43KT 3150 8269 

$$

BOOTHE

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, 11:15 AM EDT	Severe Thunderstorm Warning	JAX	Coffee	45 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, 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.