Alert archive / Georgia / Tornado Warnings in 2021

Tornado Warning 18, NWS Jacksonville, FL

April 10, 2021Camden County, Glynn County, Georgia

NWS Jacksonville, FL issued this tornado warning at Apr 10, 2021, 4:49 PM EDT for Camden County, Glynn County, Georgia. It was in force for 26 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 10, 2021, 4:49 PM EDT (20:49 UTC)
Expired: Apr 10, 2021, 5:15 PM EDT
In force: 26 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Camden County, GA, Glynn County, GA

The radar

The Jacksonville radar (KJAX), 69 km from the middle of the area, began a volume at 20:49 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, 8.8 hours before the alert went out and 67 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: 159 J/kg
Mixed-layer CIN: -225 J/kg
Mixed-layer LCL: 965 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 91 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

573 
WFUS52 KJAX 102049
TORJAX
GAC039-127-102115-
/O.NEW.KJAX.TO.W.0018.210410T2049Z-210410T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jacksonville FL
449 PM EDT Sat Apr 10 2021

The National Weather Service in Jacksonville has issued a

* Tornado Warning for...
  Central Camden County in southeastern Georgia...
  Southeastern Glynn County in southeastern Georgia...

* Until 515 PM EDT.
    
* At 448 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Woodbine, moving northeast at 45 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Brunswick and Jekyll Island around 510 PM EDT.
  St. Simons Island, Dock Junction and Country Club Estates around 
  515 PM EDT.

Other locations impacted by this tornadic thunderstorm include Dover
Bluff.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors or in a vehicle,
move to the closest substantial shelter and protect yourself from
flying debris.

Motorists should not take shelter under highway overpasses. If you
cannot safely drive away from the tornado, as a last resort, either
park your vehicle and stay put, or abandon your vehicle and lie down
in a low lying area and protect yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3110 8137 3102 8138 3086 8164 3100 8177
      3131 8146 3113 8132
TIME...MOT...LOC 2048Z 228DEG 38KT 3099 8164 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

KB

2 follow-up statements

652 
WWUS52 KJAX 102102
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
502 PM EDT Sat Apr 10 2021

GAC039-127-102115-
/O.CON.KJAX.TO.W.0018.000000T0000Z-210410T2115Z/
Camden GA-Glynn GA-
502 PM EDT Sat Apr 10 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR
NORTHEASTERN CAMDEN AND SOUTHEASTERN GLYNN COUNTIES...
    
At 502 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Brunswick, moving northeast at 45 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Jekyll Island around 505 PM EDT.
  Brunswick and Dock Junction around 510 PM EDT.
  Country Club Estates around 515 PM EDT.
  St. Simons Island around 520 PM EDT.

Other locations impacted by this tornadic thunderstorm include Dover
Bluff.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

Motorists should not take shelter under highway overpasses. If you
cannot safely drive away from the tornado, as a last resort, either
park your vehicle and stay put, or abandon your vehicle and lie down
in a low lying area and protect yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3098 8153 3108 8164 3131 8146 3113 8132
TIME...MOT...LOC 2102Z 228DEG 38KT 3109 8151 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

KB

268 
WWUS52 KJAX 102112
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
512 PM EDT Sat Apr 10 2021

GAC039-127-102121-
/O.EXP.KJAX.TO.W.0018.000000T0000Z-210410T2115Z/
Camden GA-Glynn GA-
512 PM EDT Sat Apr 10 2021

...THE TORNADO WARNING FOR NORTHEASTERN CAMDEN AND SOUTHEASTERN GLYNN
COUNTIES WILL EXPIRE AT 515 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

Remember, a Severe Thunderstorm Warning still remains in effect for
Camden County and south central Glynn county.

LAT...LON 3098 8153 3108 8164 3131 8146 3113 8132
TIME...MOT...LOC 2111Z 228DEG 38KT 3115 8144 

$$

KB

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 10, 2:33 AM EDT	Rip Current Statement	JAX	Camden, Glynn	17 hr
Apr 10, 1:41 PM EDT	Special Weather Statement	JAX	Atkinson, Clinch, Echols	64 min
Apr 10, 2:13 PM EDT	Severe Thunderstorm Warning	JAX	Clinch	47 min
Apr 10, 2:18 PM EDT	Severe Thunderstorm Warning	JAX	Clinch, Echols	42 min
Apr 10, 2:45 PM EDT	Special Weather Statement	JAX	Clinch, Echols, Ware	60 min
Apr 10, 2:59 PM EDT	Severe Thunderstorm Warning	JAX	Clinch, Echols	46 min
Apr 10, 3:34 PM EDT	Special Weather Statement	JAX	Charlton, Pierce, Ware	56 min
Apr 10, 4:08 PM EDT	Special Weather Statement	JAX	Brantley, Camden, Wayne	67 min
Apr 10, 4:39 PM EDT	Special Weather Statement	JAX	Camden, Glynn	51 min
Apr 10, 4:44 PM EDT	Severe Thunderstorm Warning	JAX	Camden, Glynn	34 min

Nearby

Tornado Warnings in Georgia, 2021 Every tornado warning in 2021 Tornadoes 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.