Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 37, NWS Jacksonville, FL

April 24, 20214 counties in Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Apr 24, 2021, 12:04 PM EDT for 4 counties in Georgia. It was in force for 41 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, 12:04 PM EDT (16:04 UTC)
Expired
Apr 24, 2021, 12:45 PM EDT
In force
41 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

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

The radar

The Moody AFB radar (KVAX), 109 km from the middle of the area, began a volume at 16:04 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.

IssuedProductOfficeLasted
Apr 24, 10:35 AM EDTTornado WatchSPC7 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 4.1 hours before the alert went out and 111 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-pSkew-T log-p diagram, Jacksonville, FL at 12:00Z on 2021-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 12:00Z on 2021-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 180 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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.

929 
WUUS52 KJAX 241604
SVRJAX
GAC001-025-229-305-241645-
/O.NEW.KJAX.SV.W.0037.210424T1604Z-210424T1645Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jacksonville FL
1204 PM EDT Sat Apr 24 2021

The National Weather Service in Jacksonville has issued a

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

* Until 1245 PM EDT.

* At 1204 PM EDT, severe thunderstorms were located along a line
  extending from near Alma to 9 miles west of Dixie Union, moving
  east at 35 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...
  Jesup, Blackshear, Patterson, Gardi, Screven, Offerman, Jamestown,
  Bristol, Raybon and Mount Pleasant.

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 3158 8170 3156 8170 3154 8167 3147 8161
      3140 8166 3139 8170 3123 8176 3124 8232
      3129 8239 3136 8239 3138 8242 3139 8240
      3142 8242 3143 8235 3149 8230 3149 8227
      3152 8224 3156 8225 3157 8227 3163 8177
TIME...MOT...LOC 1604Z 261DEG 32KT 3151 8239 3130 8262 

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

SANDRIK
1 follow-up statement
950 
WWUS52 KJAX 241639
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
1239 PM EDT Sat Apr 24 2021

GAC001-025-229-305-241648-
/O.EXP.KJAX.SV.W.0037.000000T0000Z-210424T1645Z/
Pierce GA-Brantley GA-Wayne GA-Appling GA-
1239 PM EDT Sat Apr 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR PIERCE...NORTHEASTERN
BRANTLEY...WAYNE AND SOUTHEASTERN APPLING COUNTIES WILL EXPIRE AT
1245 PM EDT...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.

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

Remember, a Severe Thunderstorm Warning still remains in effect for
Northern Wayne County until 100 pm. 

LAT...LON 3158 8170 3156 8170 3154 8167 3147 8161
      3140 8166 3139 8170 3123 8176 3124 8232
      3129 8239 3136 8239 3138 8242 3139 8240
      3142 8242 3143 8235 3149 8230 3149 8227
      3152 8224 3156 8225 3157 8227 3163 8177
TIME...MOT...LOC 1638Z 261DEG 32KT 3156 8205 3135 8228 

$$

SANDRIK

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 24, 10:57 AM EDTSevere Thunderstorm WarningJAXAtkinson, Clinch48 min
Apr 24, 11:15 AM EDTSevere Thunderstorm WarningJAXCoffee45 min
Apr 24, 11:35 AM EDTSevere Thunderstorm WarningJAXBacon, Ware40 min
Apr 24, 11:54 AM EDTSevere Thunderstorm WarningJAXAtkinson21 min
Apr 24, 12:08 PM EDTTornado WarningJAXBacon22 min
Apr 24, 12:18 PM EDTSevere Thunderstorm WarningJAXAtkinson, Bacon, Clinch, Pierce, Ware31 min
Apr 24, 12:36 PM EDTSevere Thunderstorm WarningJAXWayne24 min
Apr 24, 12:40 PM EDTSpecial Weather StatementJAXClinch50 min
Apr 24, 12:47 PM EDTSpecial Weather StatementJAXClinch, Pierce, Ware, Wayne28 min
Apr 24, 1:20 PM EDTSpecial Weather StatementJAXBrantley, Clinch, Ware25 min
Apr 24, 1:46 PM EDTSevere Thunderstorm WarningJAXClinch, Echols44 min
Apr 24, 1:50 PM EDTSpecial Weather StatementJAXCamden, Charlton, Glynn40 min
Apr 24, 2:15 PM EDTSevere Thunderstorm WarningJAXGlynn15 min
Apr 24, 2:32 PM EDTSevere Thunderstorm WarningJAXClinch, Echols43 min
Apr 24, 2:36 PM EDTTornado WarningJAXEchols24 min
Apr 24, 2:56 PM EDTSevere Thunderstorm WarningJAXClinch, Echols49 min
Apr 24, 3:03 PM EDTTornado WarningJAXClinch, Echols27 min
Apr 24, 3:30 PM EDTSevere Thunderstorm WarningJAXClinch, Echols, Ware45 min
Apr 24, 3:48 PM EDTSpecial Weather StatementJAXCamden27 min
Apr 24, 3:57 PM EDTSevere Thunderstorm WarningJAXCharlton, Ware48 min
Apr 24, 4:10 PM EDTSevere Thunderstorm WarningJAXCharlton28 min
Apr 24, 4:18 PM EDTSevere Thunderstorm WarningJAXCamden42 min
Apr 24, 5:40 PM EDTSpecial Weather StatementJAXCoffee, Jeff Davis35 min
Apr 24, 6:18 PM EDTSpecial Weather StatementJAXAppling, Bacon, Coffee, Jeff Davis, Wayne87 min
Apr 24, 6:39 PM EDTSevere Thunderstorm WarningJAXAtkinson, Coffee36 min
Apr 24, 7:12 PM EDTSevere Thunderstorm WarningJAXAppling, Atkinson, Bacon, Coffee, Pierce, Ware33 min
Apr 24, 7:40 PM EDTSevere Thunderstorm WarningJAXAppling, Bacon, Brantley, Pierce, Ware, Wayne35 min
Apr 24, 7:57 PM EDTSpecial Weather StatementJAXCoffee, Jeff Davis48 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2021Every 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.