Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 97, NWS Jacksonville, FL

June 15, 2021Camden County, Glynn County, Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Jun 15, 2021, 4:05 PM EDT for Camden County, Glynn County, Georgia. It was in force for 25 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
Jun 15, 2021, 4:05 PM EDT (20:05 UTC)
Expired
Jun 15, 2021, 4:30 PM EDT
In force
25 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Camden County, GA, Glynn County, GA

The radar

The Jacksonville radar (KJAX), 56 km from the middle of the area, began a volume at 20:08 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 nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 8.1 hours before the alert went out and 54 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 2021-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3840 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.1939Sfc1 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
3840 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
1021 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

328 
WUUS52 KJAX 152005
SVRJAX
GAC039-127-152030-
/O.NEW.KJAX.SV.W.0097.210615T2005Z-210615T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jacksonville FL
405 PM EDT Tue Jun 15 2021

The National Weather Service in Jacksonville has issued a

* Severe Thunderstorm Warning for...
  Northeastern Camden County in southeastern Georgia...
  Southeastern Glynn County in southeastern Georgia...

* Until 430 PM EDT.

* At 404 PM EDT, a severe thunderstorm was located 8 miles east of
  Woodbine, moving southeast at 15 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Jekyll Island and Dover Bluff. 

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 3085 8141 3091 8165 3107 8162 3109 8137
TIME...MOT...LOC 2004Z 297DEG 11KT 3098 8159 

HAIL...1.00IN
WIND...60MPH
 
$$

23
2 follow-up statements
161 
WWUS52 KJAX 152020
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
420 PM EDT Tue Jun 15 2021

GAC127-152029-
/O.CAN.KJAX.SV.W.0097.000000T0000Z-210615T2030Z/
Glynn GA-
420 PM EDT Tue Jun 15 2021

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

LAT...LON 3098 8139 3085 8141 3088 8153 3103 8149
      3102 8143 3101 8143 3101 8142 3102 8142
      3102 8138 3100 8138
TIME...MOT...LOC 2019Z 297DEG 11KT 3096 8154 

$$

GAC039-152030-
/O.CON.KJAX.SV.W.0097.000000T0000Z-210615T2030Z/
Camden GA-
420 PM EDT Tue Jun 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR EAST CENTRAL CAMDEN COUNTY...

At 419 PM EDT, a severe thunderstorm was located 10 miles east of
Woodbine, moving southeast at 15 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

This severe thunderstorm will remain over mainly rural areas of east
central Camden County.

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 3098 8139 3085 8141 3088 8153 3103 8149
      3102 8143 3101 8143 3101 8142 3102 8142
      3102 8138 3100 8138
TIME...MOT...LOC 2019Z 297DEG 11KT 3096 8154 

HAIL...1.00IN
WIND...60MPH
 
$$

BOOTHE
476 
WWUS52 KJAX 152028
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
428 PM EDT Tue Jun 15 2021

GAC039-152037-
/O.EXP.KJAX.SV.W.0097.000000T0000Z-210615T2030Z/
Camden GA-
428 PM EDT Tue Jun 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CAMDEN COUNTY
WILL EXPIRE AT 430 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with this thunderstorm.

LAT...LON 3098 8139 3085 8141 3088 8153 3103 8149
      3102 8143 3101 8143 3101 8142 3102 8142
      3102 8138 3100 8138
TIME...MOT...LOC 2027Z 297DEG 11KT 3095 8152 

$$

BOOTHE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 3:41 PM EDTSpecial Weather StatementJAXEchols49 min
Jun 15, 3:44 PM EDTSpecial Weather StatementJAXCamden31 min
Jun 15, 4:18 PM EDTSevere Thunderstorm WarningJAXClinch, Echols27 min
Jun 15, 4:33 PM EDTSevere Thunderstorm WarningJAXCharlton27 min
Jun 15, 4:40 PM EDTSevere Thunderstorm WarningJAXCharlton, Clinch, Echols50 min
Jun 15, 4:47 PM EDTSevere Thunderstorm WarningJAXEchols43 min
Jun 15, 5:09 PM EDTSevere Thunderstorm WarningJAXCharlton22 min
Jun 15, 5:12 PM EDTSevere Thunderstorm WarningJAXCamden48 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.