Alert archive / Florida / Tornado Warnings in 2012

Tornado Warning 25, NWS Jacksonville, FL

December 20, 2012Hamilton County, Suwannee County, Florida

NWS Jacksonville, FL issued this tornado warning at Dec 20, 2012, 6:14 PM EST for Hamilton County, Suwannee County, Florida. It was in force for 23 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Dec 20, 2012, 6:14 PM EST (23:14 UTC)
Expired: Dec 20, 2012, 6:37 PM EST
In force: 23 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon

Counties Hamilton County, FL, Suwannee County, FL

What was reported inside it

Time	Report	Where	Remark
Dec 20, 6:15 PM EST	TSTM WND DMG	8 W Live Oak, FL	ONE TREE WAS REPORTED DOWN 8 MILES WEST OF LIVE OAK.
Dec 20, 6:25 PM EST	TSTM WND DMG	5 Ne Suwannee Springs, FL	JENNINGS POLICE REPORTED TREES DOWN ON HIGHWAY 41 SOUTH NEAR SWEET CREEK MINES.
Dec 20, 6:40 PM EST	TSTM WND DMG	9 Nne White Springs, FL	STORM SPOTTER REPORTED 2 TREES DOWN ON COUNTY ROAD 135.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 11.2 hours before the alert went out and 114 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: 888 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 155 m²/s²
0-3 km storm-relative helicity: 217 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.

148 
WFUS52 KJAX 202314
TORJAX
FLC047-121-210000-
/O.NEW.KJAX.TO.W.0025.121220T2314Z-121221T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
614 PM EST THU DEC 20 2012

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN HAMILTON COUNTY IN NORTHERN FLORIDA
  NORTHERN SUWANNEE COUNTY IN NORTHERN FLORIDA

* UNTIL 700 PM EST

* AT 615 PM EST...LOCAL LAW ENFORCEMENT REPORTED A FUNNEL CLOUD NEAR
  SUWANNEE RIVER STATE PARK...MOVING EAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  SUWANNEE SPRINGS...WHITE SPRINGS AND BELMONT.

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 3041 8317 3056 8273 3048 8270 3043 8265
      3039 8265 3034 8268 3032 8272 3033 8273
      3032 8275 3033 8277 3031 8282 3028 8318
      3029 8321 3035 8322
TIME...MOT...LOC 2315Z 253DEG 40KT 3034 8313

$$

ENYEDI

6 follow-up statements

548 
WWUS52 KJAX 202318
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
618 PM EST THU DEC 20 2012

FLC047-121-210000-
/O.CON.KJAX.TO.W.0025.000000T0000Z-121221T0000Z/
HAMILTON FL-SUWANNEE FL-
618 PM EST THU DEC 20 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EST FOR NORTHERN
SUWANNEE AND SOUTHERN HAMILTON COUNTIES...

AT 619 PM EST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
TRACK A TORNADO.  THIS TORNADO WAS LOCATED NEAR SUWANNEE RIVER STATE
PARK...MOVING NORTHEAST AT 40 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SUWANNEE SPRINGS...WHITE SPRINGS AND BELMONT.

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 3041 8317 3056 8273 3052 8273 3043 8265
      3038 8266 3032 8271 3033 8273 3032 8275
      3033 8277 3031 8282 3028 8310 3029 8312
      3035 8318
TIME...MOT...LOC 2319Z 247DEG 34KT 3035 8309

$$

ENYEDI

327 
WWUS52 KJAX 202321
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
621 PM EST THU DEC 20 2012

FLC047-121-210000-
/O.CON.KJAX.TO.W.0025.000000T0000Z-121221T0000Z/
HAMILTON FL-SUWANNEE FL-
621 PM EST THU DEC 20 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EST FOR NORTHERN
SUWANNEE AND SOUTHERN HAMILTON COUNTIES...

AT 621 PM EST...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS TORNADO WAS LOCATED
NEAR SUWANNEE RIVER STATE PARK...MOVING NORTHEAST AT 40 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LIVE
OAK...SUWANNEE SPRINGS...WHITE SPRINGS AND BELMONT.

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 3041 8317 3056 8273 3052 8273 3043 8265
      3038 8266 3032 8271 3033 8273 3032 8275
      3033 8277 3031 8282 3028 8310 3029 8312
      3035 8318
TIME...MOT...LOC 2321Z 246DEG 34KT 3037 8307

$$

ENYEDI

462 
WWUS52 KJAX 202324
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
624 PM EST THU DEC 20 2012

FLC047-121-210000-
/O.CON.KJAX.TO.W.0025.000000T0000Z-121221T0000Z/
HAMILTON FL-SUWANNEE FL-
624 PM EST THU DEC 20 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EST FOR
NORTHWESTERN SUWANNEE AND SOUTHEASTERN HAMILTON COUNTIES...

AT 624 PM EST...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS TORNADO WAS LOCATED 7
MILES WEST OF SUWANNEE SPRINGS...MOVING EAST AT 50 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SUWANNEE SPRINGS AND BELMONT.

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 3056 8273 3052 8273 3043 8265 3040 8267
      3035 8279 3031 8303 3034 8311 3042 8313
TIME...MOT...LOC 2324Z 248DEG 41KT 3039 8301

$$

ENYEDI

748 
WWUS52 KJAX 202328
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
628 PM EST THU DEC 20 2012

FLC047-121-210000-
/O.CON.KJAX.TO.W.0025.000000T0000Z-121221T0000Z/
HAMILTON FL-SUWANNEE FL-
628 PM EST THU DEC 20 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EST FOR NORTHERN
SUWANNEE AND CENTRAL HAMILTON COUNTIES...

AT 629 PM EST...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS TORNADO WAS LOCATED
NEAR SUWANNEE SPRINGS...MOVING NORTHEAST AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SUWANNEE SPRINGS AND BELMONT.

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 3056 8274 3056 8273 3052 8273 3050 8271
      3048 8270 3043 8265 3042 8266 3035 8298
      3036 8304 3045 8306
TIME...MOT...LOC 2329Z 246DEG 40KT 3041 8296

$$

ENYEDI

723 
WWUS52 KJAX 202335
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
635 PM EST THU DEC 20 2012

FLC121-202345-
/O.CAN.KJAX.TO.W.0025.000000T0000Z-121221T0000Z/
SUWANNEE FL-
635 PM EST THU DEC 20 2012

...THE TORNADO WARNING FOR NORTHERN SUWANNEE COUNTY IS CANCELLED...

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

LAT...LON 3048 8298 3056 8273 3052 8273 3043 8266
      3037 8288 3038 8289 3039 8290 3038 8292
      3042 8296 3042 8297
TIME...MOT...LOC 2335Z 246DEG 40KT 3043 8290

$$

FLC047-210000-
/O.CON.KJAX.TO.W.0025.000000T0000Z-121221T0000Z/
HAMILTON FL-
635 PM EST THU DEC 20 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EST FOR CENTRAL
HAMILTON COUNTY...

AT 635 PM EST...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS TORNADO WAS LOCATED
14 MILES WEST OF BELMONT...MOVING NORTHEAST AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BELMONT.

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 3048 8298 3056 8273 3052 8273 3043 8266
      3037 8288 3038 8289 3039 8290 3038 8292
      3042 8296 3042 8297
TIME...MOT...LOC 2335Z 246DEG 40KT 3043 8290

$$

ENYEDI

244 
WWUS52 KJAX 202337
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
637 PM EST THU DEC 20 2012

FLC047-202347-
/O.CAN.KJAX.TO.W.0025.000000T0000Z-121221T0000Z/
HAMILTON FL-
637 PM EST THU DEC 20 2012

...THE TORNADO WARNING FOR CENTRAL HAMILTON COUNTY IS CANCELLED...

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

LAT...LON 3048 8298 3056 8273 3052 8273 3043 8266
      3037 8288 3038 8289 3039 8290 3038 8292
      3042 8296 3042 8297
TIME...MOT...LOC 2337Z 246DEG 40KT 3044 8288

$$

ENYEDI

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 20, 3:49 AM EST	Gale Warning	JAX		54 hr
Dec 20, 5:20 AM EST	Freeze Watch	JAX	Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more	22 hr
Dec 20, 9:29 AM EST	Lake Wind Advisory	JAX	Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more	33 hr
Dec 20, 3:53 PM EST	Red Flag Warning	JAX	Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more	27 hr
Dec 20, 5:47 PM EST	Special Weather Statement	JAX	Hamilton, Suwannee	43 min
Dec 20, 6:04 PM EST	Severe Thunderstorm Warning	JAX	Hamilton, Suwannee	41 min
Dec 20, 6:45 PM EST	Special Weather Statement	JAX	Columbia	30 min
Dec 20, 6:48 PM EST	Special Weather Statement	JAX	Gilchrist	27 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.