Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 55, NWS Jacksonville, FL

April 24, 2021Atkinson County, Coffee County, Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Apr 24, 2021, 8:48 PM EDT for Atkinson County, Coffee County, Georgia. It was in force for 42 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: Apr 24, 2021, 8:48 PM EDT (00:48 UTC)
Expired: Apr 24, 2021, 9:30 PM EDT
In force: 42 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), 65 km from the middle of the area, began a volume at 00:50 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, 9:08 PM EDT	TORNADO	6 Sw Douglas, GA	RADAR CONFIRMS A TORNADO DEBRIS BALL SIGNATURE APPROACHING DOUGLAS OVER RURAL COFFEE COUNTY.
Apr 24, 9:19 PM EDT	TORNADO	5 Sw Douglas, GA	REPORTS OF DAMAGE IN BEAR CREEK MOBILE HOME PARK AND THE BAYMEADOWS AREA NEAR DOUGLAS, GA.

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, 8:48 PM EDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 0.8 hours before the alert went out and 168 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.

055 
WUUS52 KJAX 250048
SVRJAX
GAC003-069-250130-
/O.NEW.KJAX.SV.W.0055.210425T0048Z-210425T0130Z/

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

The National Weather Service in Jacksonville has issued a

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

* Until 930 PM EDT.

* At 848 PM EDT, a severe thunderstorm was located over Enigma, or 10
  miles east of Tifton, moving east at 45 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

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

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 3147 8314 3147 8312 3150 8310 3151 8308
      3156 8306 3158 8306 3164 8273 3137 8265
      3137 8311 3139 8311 3140 8314 3143 8314
      3146 8315
TIME...MOT...LOC 0048Z 266DEG 39KT 3143 8333 

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

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, 8:51 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, 12:01 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.