Alert archive / Georgia / Tornado Warnings in 2018

Tornado Warning 9, NWS Jacksonville, FL

October 10, 20184 counties in Georgia

NWS Jacksonville, FL issued this tornado warning at Oct 10, 2018, 4:10 PM EDT for 4 counties in Georgia. It was in force for 35 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
Oct 10, 2018, 4:10 PM EDT (20:10 UTC)
Expired
Oct 10, 2018, 4:45 PM EDT
In force
35 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Brantley County, GA, Charlton County, GA, Pierce County, GA, Ware County, GA

The radar

The Jacksonville radar (KJAX), 66 km from the middle of the area, began a volume at 20:10 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
Oct 10, 2:44 PM EDTTornado WatchSPC11 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 8.2 hours before the alert went out and 64 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 2018-10-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1002 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 2018-10-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 122 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
1002 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
748 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
122 m²/s²
0-3 km storm-relative helicity
116 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

345 
WFUS52 KJAX 102010 RRA
TORJAX
GAC025-049-229-299-102045-
/O.NEW.KJAX.TO.W.0009.181010T2010Z-181010T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jacksonville FL
410 PM EDT WED OCT 10 2018

The National Weather Service in Jacksonville has issued a

* Tornado Warning for...
  Southeastern Pierce County in southeastern Georgia...
  Central Brantley County in southeastern Georgia...
  Southeastern Ware County in southeastern Georgia...
  Northeastern Charlton County in southeastern Georgia...

* Until 445 PM EDT.
    
* At 410 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Homeland, or near Folkston, moving north 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...
  Race Pond around 425 PM EDT.
  Hickox and Fort Mudge around 440 PM EDT.
  Nahunta and Raybon around 445 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Winokur.

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, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

&&

LAT...LON 3076 8205 3077 8229 3127 8222 3128 8188
TIME...MOT...LOC 2010Z 189DEG 37KT 3083 8211 

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

$$

23
2 follow-up statements
662 
WWUS52 KJAX 102019
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
419 PM EDT WED OCT 10 2018

GAC025-049-229-299-102045-
/O.CON.KJAX.TO.W.0009.000000T0000Z-181010T2045Z/
Pierce GA-Brantley GA-Ware GA-Charlton GA-
419 PM EDT WED OCT 10 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM EDT FOR
SOUTHEASTERN PIERCE...CENTRAL BRANTLEY...EASTERN WARE AND
NORTHEASTERN CHARLTON COUNTIES...
    
At 419 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Race Pond, or 7 miles northwest of Folkston, moving
north 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...
  Race Pond around 425 PM EDT.
  Hickox and Fort Mudge around 440 PM EDT.
  Nahunta and Raybon around 445 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Winokur.

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, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3081 8204 3090 8227 3127 8222 3128 8188
TIME...MOT...LOC 2019Z 189DEG 37KT 3092 8209 

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

$$

23
694 
WWUS52 KJAX 102028
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
428 PM EDT WED OCT 10 2018

GAC229-299-102037-
/O.CAN.KJAX.TO.W.0009.000000T0000Z-181010T2045Z/
Pierce GA-Ware GA-
428 PM EDT WED OCT 10 2018

...THE TORNADO WARNING FOR SOUTHEASTERN PIERCE AND EASTERN WARE
COUNTIES IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 200 AM EDT for southeastern
Georgia.

LAT...LON 3088 8203 3091 8214 3127 8212 3128 8188
TIME...MOT...LOC 2027Z 192DEG 33KT 3097 8206 

$$

GAC025-049-102045-
/O.CON.KJAX.TO.W.0009.000000T0000Z-181010T2045Z/
Brantley GA-Charlton GA-
428 PM EDT WED OCT 10 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM EDT FOR CENTRAL
BRANTLEY AND NORTH CENTRAL CHARLTON COUNTIES...
    
At 427 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Race Pond, or 9 miles north of Folkston, moving
north at 40 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...
  Nahunta and Hickox around 445 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Winokur.

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, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3088 8203 3091 8214 3127 8212 3128 8188
TIME...MOT...LOC 2027Z 192DEG 33KT 3097 8206 

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

$$

23

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 10, 3:20 AM EDTFlash Flood WatchJAXAppling, Atkinson, Bacon, Coffee, Jeff Davis22 hr
Oct 10, 2:08 PM EDTHurricane WarningJAXAtkinson, Coffee, Jeff Davis9 hr
Oct 10, 4:37 PM EDTTornado WarningJAXCamden, Charlton38 min
Oct 10, 4:44 PM EDTSevere Thunderstorm WarningJAXCamden46 min
Oct 10, 4:44 PM EDTTornado WarningJAXBrantley, Charlton31 min
Oct 10, 7:43 PM EDTSpecial Weather StatementJAXLanier32 min

Nearby

Tornado Warnings in Georgia, 2018Every tornado warning in 2018Tornadoes in 2018

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.