Alert archive / Georgia / Tornado Warnings in 2018

Tornado Warning 15, NWS Jacksonville, FL

December 2, 2018Columbia County, Florida; Clinch County, Ware County, Georgia

NWS Jacksonville, FL issued this tornado warning at Dec 2, 2018, 1:48 PM EST for Columbia County, Florida; Clinch County, Ware County, Georgia. It was in force for 27 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
Dec 2, 2018, 1:48 PM EST (18:48 UTC)
Expired
Dec 2, 2018, 2:15 PM EST
In force
27 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Columbia County, FL, Clinch County, GA, Ware County, GA

The radar

The Moody AFB radar (KVAX), 63 km from the middle of the area, began a volume at 18:47 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
Dec 2, 10:00 AM ESTTornado WatchSPC8 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 6.8 hours before the alert went out and 70 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 2018-12-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1274 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 2018-12-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 294 square meters per square second.19395878Sfc1 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
1274 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
520 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
294 m²/s²
0-3 km storm-relative helicity
302 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.9

Open this sounding in Storm Lab

The text

As transmitted.

682 
WFUS52 KJAX 021848
TORJAX
FLC023-GAC065-299-021915-
/O.NEW.KJAX.TO.W.0015.181202T1848Z-181202T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jacksonville FL
148 PM EST SUN DEC 2 2018

The National Weather Service in Jacksonville has issued a

* Tornado Warning for...
  Northeastern Columbia County in northern Florida...
  Southeastern Ware County in southeastern Georgia...
  Southeastern Clinch County in southeastern Georgia...

* Until 215 PM EST.
    
* At 147 PM EST, a severe thunderstorm capable of producing a tornado
  was located 7 miles southeast of Fargo, moving northeast at 45 mph.
  Another storm with rotation that could produce a tornado was over 
  extreme southern Ware County.

  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 tornadic thunderstorm will remain over mainly rural areas of
  northeastern Columbia...southeastern Ware and southeastern Clinch
  Counties.

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 3059 8259 3079 8226 3074 8219 3063 8221
      3058 8244 3058 8247 3054 8256
TIME...MOT...LOC 1847Z 244DEG 41KT 3059 8251 

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

$$

WOLF
2 follow-up statements
922 
WWUS52 KJAX 021858
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
158 PM EST SUN DEC 2 2018

FLC023-GAC065-021907-
/O.CAN.KJAX.TO.W.0015.000000T0000Z-181202T1915Z/
Columbia FL-Clinch GA-
158 PM EST SUN DEC 2 2018

...THE TORNADO WARNING FOR NORTHEASTERN COLUMBIA AND SOUTHEASTERN
CLINCH 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 600 PM EST for southeastern
Georgia.

LAT...LON 3064 8242 3076 8224 3074 8219 3063 8221
      3058 8242
TIME...MOT...LOC 1857Z 243DEG 25KT 3068 8230 

$$

GAC299-021915-
/O.CON.KJAX.TO.W.0015.000000T0000Z-181202T1915Z/
Ware GA-
158 PM EST SUN DEC 2 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM EST FOR
SOUTHEASTERN WARE COUNTY...
    
At 157 PM EST, a severe thunderstorm capable of producing a tornado
was located 10 miles south of Stephen Foster State Park, moving
northeast at 30 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 tornadic thunderstorm will remain over mainly rural areas of
southeastern Ware County.

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 3064 8242 3076 8224 3074 8219 3063 8221
      3058 8242
TIME...MOT...LOC 1857Z 243DEG 25KT 3068 8230 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

WOLF
067 
WWUS52 KJAX 021908
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
208 PM EST SUN DEC 2 2018

GAC299-021917-
/O.EXP.KJAX.TO.W.0015.000000T0000Z-181202T1915Z/
Ware GA-
208 PM EST SUN DEC 2 2018

...THE TORNADO WARNING FOR SOUTHEASTERN WARE COUNTY WILL EXPIRE AT
215 PM EST...
                
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.

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

LAT...LON 3064 8242 3076 8224 3074 8219 3063 8221
      3058 8242
TIME...MOT...LOC 1907Z 244DEG 41KT 3073 8219 

$$

WOLF

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 1, 8:29 PM ESTSpecial Weather StatementJAXHamilton16 min
Dec 1, 10:48 PM ESTSpecial Marine WarningJAX87 min
Dec 1, 11:31 PM ESTSevere Thunderstorm WarningJAXNassau59 min
Dec 2, 12:08 AM ESTSpecial Marine WarningJAX2 hr
Dec 2, 12:29 PM ESTSpecial Weather StatementJAXHamilton31 min
Dec 2, 2:24 PM ESTSpecial Marine WarningJAX2 hr
Dec 2, 2:37 PM ESTSevere Thunderstorm WarningJAXNassau23 min
Dec 2, 2:41 PM ESTTornado WarningJAXNassau34 min
Dec 2, 2:59 PM ESTAreal Flood AdvisoryJAXNassau3 hr
Dec 2, 3:00 PM ESTTornado WarningJAXNassau30 min
Dec 2, 3:04 PM ESTSevere Thunderstorm WarningJAXNassau41 min
Dec 2, 3:06 PM ESTSpecial Weather StatementJAXSaint Johns39 min
Dec 2, 3:16 PM ESTSpecial Marine WarningJAX59 min
Dec 2, 3:20 PM ESTSevere Thunderstorm WarningJAXNassau40 min
Dec 2, 3:34 PM ESTSpecial Weather StatementJAXBaker, Columbia41 min
Dec 2, 3:34 PM ESTTornado WarningJAXNassau26 min
Dec 2, 3:49 PM ESTAreal Flood AdvisoryJAXBaker, Nassau3 hr
Dec 2, 3:59 PM ESTSevere Thunderstorm WarningJAXNassau46 min
Dec 2, 4:16 PM ESTSpecial Marine WarningJAX89 min
Dec 2, 4:26 PM ESTSevere Thunderstorm WarningJAXNassau34 min
Dec 2, 4:55 PM ESTSpecial Weather StatementJAXNassau35 min
Dec 2, 5:44 PM ESTSpecial Marine WarningJAX61 min
Dec 2, 5:56 PM ESTAreal Flood AdvisoryJAXHamilton2 hr
Dec 1, 7:48 PM ESTSpecial Weather StatementJAXAtkinson, Coffee, Jeff Davis42 min
Dec 1, 8:09 PM ESTSpecial Weather StatementJAXClinch36 min
Dec 1, 8:27 PM ESTAreal Flood AdvisoryJAXAtkinson, Bacon, Coffee, Jeff Davis3 hr
Dec 1, 8:27 PM ESTSpecial Weather StatementJAXAtkinson, Bacon33 min
Dec 1, 8:48 PM ESTSpecial Weather StatementJAXClinch, Echols27 min
Dec 1, 9:22 PM ESTSpecial Weather StatementJAXGlynn23 min
Dec 1, 9:50 PM ESTSpecial Weather StatementJAXBrantley, Charlton, Pierce, Ware55 min
Dec 1, 10:34 PM ESTSpecial Weather StatementJAXBrantley, Glynn41 min
Dec 1, 10:56 PM ESTSevere Thunderstorm WarningJAXCamden, Glynn34 min
Dec 1, 11:04 PM ESTAreal Flood AdvisoryJAXClinch, Echols116 min
Dec 1, 11:14 PM ESTAreal Flood AdvisoryJAXGlynn2 hr
Dec 1, 11:21 PM ESTSpecial Weather StatementJAXCamden54 min
Dec 1, 11:53 PM ESTTornado WarningJAXCamden, Glynn37 min
Dec 2, 12:27 AM ESTSpecial Weather StatementJAXCamden63 min
Dec 2, 6:08 AM ESTSpecial Weather StatementJAXBacon52 min
Dec 2, 6:38 AM ESTSpecial Weather StatementJAXPierce52 min
Dec 2, 6:42 AM ESTSevere Thunderstorm WarningJAXAppling, Bacon, Coffee, Jeff Davis48 min
Dec 2, 6:45 AM ESTTornado WarningJAXAppling, Bacon, Coffee, Jeff Davis30 min
Dec 2, 7:13 AM ESTSpecial Weather StatementJAXAppling47 min
Dec 2, 7:36 AM ESTAreal Flood AdvisoryJAXAppling, Bacon, Jeff Davis2 hr
Dec 2, 7:58 AM ESTAreal Flood AdvisoryJAXBrantley, Clinch, Pierce, Ware, Wayne3 hr
Dec 2, 8:20 AM ESTSpecial Weather StatementJAXBrantley40 min
Dec 2, 8:47 AM ESTAreal Flood AdvisoryJAXCoffee, Jeff Davis3 hr
Dec 2, 10:01 AM ESTRiver Flood WarningJAXAppling, Tattnall, Toombs, Wayne69 days
Dec 2, 11:35 AM ESTAreal Flood AdvisoryJAXClinch, Echols, Ware3 hr
Dec 2, 11:36 AM ESTAreal Flood AdvisoryJAXAppling, Bacon, Coffee, Jeff Davis3 hr
Dec 2, 12:00 PM ESTSpecial Weather StatementJAXClinch45 min
Dec 2, 12:44 PM ESTSpecial Weather StatementJAXClinch, Echols, Ware46 min
Dec 2, 12:56 PM ESTAreal Flood WarningJAXBrantley, Clinch, Pierce, Ware6 hr
Dec 2, 1:29 PM ESTFlood WatchJAXAppling, Atkinson, Bacon, Brantley, Camden, Clinch and 6 more30 hr
Dec 2, 1:40 PM ESTSpecial Weather StatementJAXCharlton, Echols50 min
Dec 2, 1:46 PM ESTSpecial Weather StatementJAXCoffee44 min
Dec 2, 2:00 PM ESTSpecial Weather StatementJAXBrantley60 min
Dec 2, 2:04 PM ESTAreal Flood AdvisoryJAXBrantley, Charlton, Clinch, Echols, Ware3 hr
Dec 2, 2:06 PM ESTSevere Thunderstorm WarningJAXAtkinson28 min
Dec 2, 2:13 PM ESTTornado WarningJAXAtkinson19 min
Dec 2, 2:31 PM ESTSevere Thunderstorm WarningJAXAtkinson, Coffee18 min
Dec 2, 2:36 PM ESTSevere Thunderstorm WarningJAXCamden, Glynn39 min
Dec 2, 2:40 PM ESTAreal Flood AdvisoryJAXAtkinson, Bacon, Coffee3 hr
Dec 2, 2:44 PM ESTSevere Thunderstorm WarningJAXAtkinson, Coffee, Ware16 min
Dec 2, 2:46 PM ESTSpecial Weather StatementJAXAppling14 min
Dec 2, 3:08 PM ESTSpecial Weather StatementJAXClinch37 min
Dec 2, 3:47 PM ESTAreal Flood AdvisoryJAXAtkinson, Clinch, Ware3 hr
Dec 2, 4:58 PM ESTSpecial Weather StatementJAXClinch, Echols32 min
Dec 2, 5:17 PM ESTSpecial Weather StatementJAXWare43 min
Dec 2, 5:36 PM ESTSpecial Weather StatementJAXClinch, Echols39 min
Dec 2, 5:38 PM ESTSevere Thunderstorm WarningJAXBrantley, Charlton, Ware37 min
Dec 2, 6:14 PM ESTSpecial Weather StatementJAXBrantley, Glynn46 min
Dec 2, 6:16 PM ESTSpecial Weather StatementJAXCharlton44 min
Dec 2, 6:38 PM ESTSpecial Weather StatementJAXClinch37 min
Dec 2, 6:54 PM ESTAreal Flood AdvisoryJAXBrantley, Charlton, Clinch, Echols, Pierce, Ware4 hr

Nearby

Tornado Warnings in Georgia, 2018Tornado Warnings in Florida, 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.