Alert archive / Florida / Tornado Warnings in 2011

Tornado Warning 19, NWS Jacksonville, FL

September 5, 2011Columbia County, Hamilton County, Florida; Clinch County, Echols County, Georgia

NWS Jacksonville, FL issued this tornado warning at Sep 5, 2011, 6:14 PM EDT for Columbia County, Hamilton County, Florida; Clinch County, Echols County, Georgia. It was in force for 31 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: Sep 5, 2011, 6:14 PM EDT (22:14 UTC)
Expired: Sep 5, 2011, 6:45 PM EDT
In force: 31 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon

Counties Columbia County, FL, Hamilton County, FL, Clinch County, GA, Echols County, GA

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 10.2 hours before the alert went out and 95 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: 1299 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 777 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 52 m²/s²
0-3 km storm-relative helicity: 58 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.

672 
WFUS52 KJAX 052214
TORJAX
FLC023-047-GAC065-101-052300-
/O.NEW.KJAX.TO.W.0019.110905T2214Z-110905T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
614 PM EDT MON SEP 5 2011

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL CLINCH COUNTY IN SOUTHEAST GEORGIA
  SOUTHEASTERN ECHOLS COUNTY IN SOUTHEAST GEORGIA
  NORTHERN COLUMBIA COUNTY IN NORTHERN FLORIDA
  NORTHEASTERN HAMILTON COUNTY IN NORTHERN FLORIDA

* UNTIL 700 PM EDT

* AT 614 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
  TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  NEEDMORE...OR 9 MILES WEST OF FARGO...MOVING NORTHEAST AT 35 MPH.

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

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 3088 8266 3090 8257 3084 8250 3082 8250
      3053 8267 3053 8274 3057 8278 3062 8280
TIME...MOT...LOC 2214Z 211DEG 32KT 3066 8270

$$

SHASHY

2 follow-up statements

804 
WWUS52 KJAX 052225
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
625 PM EDT MON SEP 5 2011

FLC023-047-052235-
/O.CAN.KJAX.TO.W.0019.000000T0000Z-110905T2300Z/
COLUMBIA FL-HAMILTON FL-
625 PM EDT MON SEP 5 2011

...THE TORNADO WARNING FOR NORTHEASTERN HAMILTON AND NORTHERN
COLUMBIA COUNTIES IS CANCELLED...

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

LAT...LON 3065 8261 3060 8265 3060 8270 3065 8274
      3070 8274 3088 8266 3090 8257 3084 8250
      3082 8250
TIME...MOT...LOC 2225Z 211DEG 32KT 3074 8264

$$

GAC065-101-052300-
/O.CON.KJAX.TO.W.0019.000000T0000Z-110905T2300Z/
CLINCH GA-ECHOLS GA-
625 PM EDT MON SEP 5 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR
SOUTHEASTERN ECHOLS AND CENTRAL CLINCH COUNTIES...

AT 625 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
TRACK A TORNADO.  THIS TORNADO WAS LOCATED NEAR NEEDMORE...OR 6 MILES
NORTHWEST OF FARGO...MOVING NORTHEAST AT 35 MPH.

THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE
INDICATED COUNTY.

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 3065 8261 3060 8265 3060 8270 3065 8274
      3070 8274 3088 8266 3090 8257 3084 8250
      3082 8250
TIME...MOT...LOC 2225Z 211DEG 32KT 3074 8264

$$

SHASHY

828 
WWUS52 KJAX 052245
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
645 PM EDT MON SEP 5 2011

GAC065-101-052254-
/O.CAN.KJAX.TO.W.0019.000000T0000Z-110905T2300Z/
CLINCH GA-ECHOLS GA-
645 PM EDT MON SEP 5 2011

...THE TORNADO WARNING FOR SOUTHEASTERN ECHOLS AND CENTRAL CLINCH
COUNTIES IS CANCELLED...

DOPPLER RADAR INDICATED THE CIRCULATION HAS WEAKENED AND NO LONGER 
SUSPECTED TO PRODUCE A TORNADO.

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

LAT...LON 3065 8261 3060 8265 3060 8270 3065 8274
      3070 8274 3088 8266 3090 8257 3084 8250
      3082 8250
TIME...MOT...LOC 2244Z 210DEG 33KT 3090 8254

$$

SHASHY

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 4, 10:14 PM EDT	Special Weather Statement	JAX	Gilchrist	46 min
Sep 4, 11:03 PM EDT	Special Weather Statement	JAX	Columbia, Suwannee, Union	27 min
Sep 5, 4:02 AM EDT	Lake Wind Advisory	JAX	Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more	16 hr
Sep 5, 3:13 PM EDT	Special Weather Statement	JAX	Duval	27 min
Sep 5, 3:16 PM EDT	Special Marine Warning	JAX		59 min
Sep 5, 3:21 PM EDT	Special Weather Statement	JAX	Marion	39 min
Sep 5, 3:30 PM EDT	Special Weather Statement	JAX	Saint Johns	45 min
Sep 5, 4:00 PM EDT	Severe Thunderstorm Warning	JAX	Hamilton, Suwannee	45 min
Sep 5, 4:16 PM EDT	Special Weather Statement	JAX	Putnam	44 min
Sep 5, 4:18 PM EDT	Special Marine Warning	JAX		27 min
Sep 5, 4:38 PM EDT	Special Marine Warning	JAX		82 min
Sep 5, 4:52 PM EDT	Special Weather Statement	JAX	Alachua, Baker, Columbia, Union	38 min
Sep 5, 5:17 PM EDT	Special Weather Statement	JAX	Columbia, Hamilton, Suwannee	43 min
Sep 5, 5:27 PM EDT	Special Weather Statement	JAX	Baker	48 min
Sep 5, 5:34 PM EDT	Severe Thunderstorm Warning	JAX	Columbia, Hamilton, Suwannee	41 min
Sep 5, 5:41 PM EDT	Tornado Warning	JAX	Columbia, Hamilton, Suwannee	34 min
Sep 5, 5:58 PM EDT	Severe Thunderstorm Warning	JAX	Alachua, Bradford, Columbia, Gilchrist, Suwannee, Union	47 min
Sep 5, 6:20 PM EDT	Special Weather Statement	JAX	Baker	40 min
Sep 5, 6:42 PM EDT	Severe Thunderstorm Warning	JAX	Alachua, Baker, Bradford, Columbia, Union	32 min
Sep 5, 7:05 PM EDT	Special Weather Statement	JAX	Marion	40 min
Sep 5, 7:59 PM EDT	Severe Thunderstorm Warning	JAX	Columbia, Hamilton, Suwannee	46 min
Sep 5, 2:52 PM EDT	Special Weather Statement	JAX	Brantley	53 min
Sep 5, 3:08 PM EDT	Special Weather Statement	JAX	Coffee, Jeff Davis	67 min
Sep 5, 3:19 PM EDT	Special Weather Statement	JAX	Camden, Glynn	26 min
Sep 5, 3:33 PM EDT	Special Weather Statement	JAX	Wayne	42 min
Sep 5, 3:49 PM EDT	Special Weather Statement	JAX	Glynn	26 min
Sep 5, 4:20 PM EDT	Special Weather Statement	JAX	Atkinson, Coffee	40 min
Sep 5, 4:37 PM EDT	Severe Thunderstorm Warning	JAX	Atkinson, Clinch, Echols	23 min
Sep 5, 4:59 PM EDT	Severe Thunderstorm Warning	JAX	Atkinson, Clinch, Ware	31 min
Sep 5, 5:23 PM EDT	Severe Thunderstorm Warning	JAX	Appling, Atkinson, Bacon, Coffee, Jeff Davis, Ware	52 min
Sep 5, 6:18 PM EDT	Special Weather Statement	JAX	Clinch	27 min

Nearby

Tornado Warnings in Florida, 2011 Tornado Warnings in Georgia, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.