Alert archive / Florida / Tornado Warnings in 2012

Tornado Warning 24, NWS Jacksonville, FL

December 10, 2012Flagler County, Putnam County, Florida

NWS Jacksonville, FL issued this tornado warning at Dec 10, 2012, 5:36 PM EST for Flagler County, Putnam County, Florida. It was in force for 39 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 10, 2012, 5:36 PM EST (22:36 UTC)
Expired: Dec 10, 2012, 6:15 PM EST
In force: 39 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon

Counties Flagler County, FL, Putnam County, FL

The radar

The Jacksonville radar (KJAX), 125 km from the middle of the area, began a volume at 22:37 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, 10.6 hours before the alert went out and 126 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 643 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 146 m²/s²
0-3 km storm-relative helicity: 179 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

916 
WFUS52 KJAX 102236
TORJAX
FLC035-107-102315-
/O.NEW.KJAX.TO.W.0024.121210T2236Z-121210T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
536 PM EST MON DEC 10 2012

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME SOUTHEASTERN PUTNAM COUNTY IN NORTHEAST FLORIDA
  FLAGLER COUNTY IN NORTHEAST FLORIDA

* UNTIL 615 PM EST

* AT 536 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A TORNADO 7 MILES SOUTHEAST OF CRESCENT CITY...MOVING NORTHEAST AT
  40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  BUNNELL...PALM COAST AND FLAGLER BEACH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR
HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER
YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT.

&&

LAT...LON 2929 8140 2933 8143 2939 8143 2937 8145
      2937 8147 2944 8152 2965 8120 2945 8110
TIME...MOT...LOC 2236Z 236DEG 36KT 2942 8137

$$

PETERSON

3 follow-up statements

652 
WWUS52 KJAX 102252
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
552 PM EST MON DEC 10 2012

FLC107-102302-
/O.CAN.KJAX.TO.W.0024.000000T0000Z-121210T2315Z/
PUTNAM FL-
552 PM EST MON DEC 10 2012

...THE TORNADO WARNING FOR EXTREME SOUTHEASTERN PUTNAM COUNTY IS
CANCELLED...

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT.

LAT...LON 2941 8126 2941 8127 2943 8132 2946 8135
      2949 8137 2953 8139 2965 8120 2945 8110
TIME...MOT...LOC 2252Z 236DEG 36KT 2951 8122

$$

FLC035-102315-
/O.CON.KJAX.TO.W.0024.000000T0000Z-121210T2315Z/
FLAGLER FL-
552 PM EST MON DEC 10 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM EST FOR
NORTHEASTERN FLAGLER COUNTY...

AT 552 PM EST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
TRACK A TORNADO.  THIS TORNADO WAS LOCATED NEAR BUNNELL...MOVING
NORTHEAST AT 40 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PALM
COAST AND FLAGLER BEACH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR
HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER
YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT.

&&

LAT...LON 2941 8126 2941 8127 2943 8132 2946 8135
      2949 8137 2953 8139 2965 8120 2945 8110
TIME...MOT...LOC 2252Z 236DEG 36KT 2951 8122

$$

PETERSON

166 
WWUS52 KJAX 102304
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
604 PM EST MON DEC 10 2012

FLC035-102315-
/O.CON.KJAX.TO.W.0024.000000T0000Z-121210T2315Z/
FLAGLER FL-
604 PM EST MON DEC 10 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM EST FOR EASTERN
FLAGLER COUNTY...

AT 604 PM EST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
TRACK A TORNADO.  THIS TORNADO WAS LOCATED NEAR FLAGLER BEACH...
MOVING NORTHEAST AT 40 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR
HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER
YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT.

&&

LAT...LON 2943 8118 2955 8125 2959 8117 2945 8110
TIME...MOT...LOC 2304Z 242DEG 35KT 2951 8111

$$

PETERSON

333 
WWUS52 KJAX 102310
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
610 PM EST MON DEC 10 2012

FLC035-102319-
/O.EXP.KJAX.TO.W.0024.000000T0000Z-121210T2315Z/
FLAGLER FL-
610 PM EST MON DEC 10 2012

...THE TORNADO WARNING FOR EASTERN FLAGLER COUNTY WILL EXPIRE AT 615
PM EST...

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT.

LAT...LON 2943 8118 2955 8125 2959 8117 2945 8110
TIME...MOT...LOC 2309Z 242DEG 35KT 2953 8106

$$

PETERSON

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 9, 8:15 PM EST	Dense Fog Advisory	JAX	Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more	14 hr
Dec 9, 8:24 PM EST	Marine Dense Fog Advisory	JAX		15 hr
Dec 10, 2:53 PM EST	Special Weather Statement	JAX	Alachua, Bradford, Clay	52 min
Dec 10, 4:17 PM EST	Special Weather Statement	JAX	Marion	43 min
Dec 10, 4:24 PM EST	Areal Flood Advisory	JAX	Alachua, Bradford, Clay, Marion, Putnam	2 hr
Dec 10, 4:32 PM EST	Special Marine Warning	JAX		118 min
Dec 10, 4:33 PM EST	Special Weather Statement	JAX	Putnam	42 min
Dec 10, 4:39 PM EST	Severe Thunderstorm Warning	JAX	Alachua, Marion, Putnam	51 min
Dec 10, 5:04 PM EST	Special Weather Statement	JAX	Flagler	26 min
Dec 10, 5:13 PM EST	Severe Thunderstorm Warning	JAX	Flagler	47 min
Dec 10, 5:30 PM EST	Special Marine Warning	JAX		2 hr
Dec 10, 5:54 PM EST	Areal Flood Advisory	JAX	Flagler, Saint Johns	96 min

Nearby

Tornado Warnings in Florida, 2012 Every tornado warning in 2012 Tornadoes in 2012

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.