Alert archive / Florida / Tornado Warnings in 2012

Tornado Warning 67, NWS Tallahassee, FL

December 20, 2012Taylor County, Florida

NWS Tallahassee, FL issued this tornado warning at Dec 20, 2012, 5:22 PM EST for Taylor County, Florida. It was in force for 23 min. 1 report 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, 5:22 PM EST (22:22 UTC)
Expired: Dec 20, 2012, 5:45 PM EST
In force: 23 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon

County Taylor County, FL

The radar

The Tallahassee radar (KTLH), 62 km from the middle of the area, began a volume at 22:26 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.

What was reported inside it

Time	Report	Where	Remark
Dec 20, 5:42 PM EST	TORNADO	Perry, FL	PERRY POLICE REPORTED BRIEF TORNADO TOUCHDOWN NEAR STATION. NO DAMAGE.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Dec 20, 10:19 AM EST	Tornado Watch	SPC	9 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.4 hours before the alert went out and 60 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: 2063 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 200 m²/s²
0-3 km storm-relative helicity: 202 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.

367 
WFUS52 KTAE 202222
TORTAE
FLC123-202245-
/O.NEW.KTAE.TO.W.0067.121220T2222Z-121220T2245Z/

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

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN TAYLOR COUNTY IN FLORIDA...

* UNTIL 545 PM EST

* AT 521 PM EST...A DEVELOPING TORNADO HAS BEEN DETECTED BY THE
  NATIONAL WEATHER SERVICE 21 MILES WEST OF PERRY...OR 8 MILES SOUTH
  OF SCANLON...MOVING NORTHEAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  HAMPTON SPRINGS...SECOTAN...PERRY-FOLEY AIRPORT...BUCELL JUNCTION
  AND BOYD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! LEAVE MOBILE HOMES AND VEHICLES FOR SAFER STRUCTURES.
MOVE TO A HALLWAY OR CLOSET ON THE LOWEST FLOOR AWAY FROM WINDOWS AND
OUTSIDE WALLS.

&&

LAT...LON 2998 8384 3000 8386 3002 8393 3005 8396
      3006 8397 3028 8364 3006 8353
TIME...MOT...LOC 2222Z 244DEG 40KT 3003 8391

$$

42-DVD

1 follow-up statement

485 
WWUS52 KTAE 202235
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
535 PM EST THU DEC 20 2012

FLC123-202245-
/O.EXP.KTAE.TO.W.0067.000000T0000Z-121220T2245Z/
TAYLOR FL-
535 PM EST THU DEC 20 2012

...THE TORNADO WARNING FOR NORTHWESTERN TAYLOR COUNTY WILL EXPIRE AT
545 PM EST...

RELAY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN
TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE
NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT.
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM EST THURSDAY EVENING
FOR NORTHWEST FLORIDA.

LAT...LON 2998 8384 3000 8386 3002 8393 3005 8396
      3006 8397 3028 8364 3006 8353
TIME...MOT...LOC 2235Z 244DEG 40KT 3009 8376

$$

42-DVD

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 20, 3:50 AM EST	Freeze Watch	TAE	Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more	24 hr
Dec 20, 4:31 AM EST	Gale Warning	TAE		26 hr
Dec 20, 4:39 AM EST	Rip Current Statement	TAE	Bay, Gulf, Walton	38 hr
Dec 20, 9:20 AM EST	Dense Fog Advisory	TAE	Gadsden, Leon, Wakulla	100 min
Dec 20, 9:30 AM EST	Marine Dense Fog Advisory	TAE		4 hr
Dec 20, 11:50 AM EST	Severe Thunderstorm Warning	TAE	Holmes, Walton	40 min
Dec 20, 11:51 AM EST	Special Marine Warning	TAE		114 min
Dec 20, 12:26 PM EST	Severe Thunderstorm Warning	TAE	Holmes, Walton	64 min
Dec 20, 12:45 PM EST	Severe Thunderstorm Warning	TAE	Bay, Holmes, Walton, Washington	45 min
Dec 20, 1:25 PM EST	Severe Thunderstorm Warning	TAE	Bay, Calhoun, Holmes, Jackson, Washington	50 min
Dec 20, 1:41 PM EST	Special Marine Warning	TAE		3 hr
Dec 20, 2:16 PM EST	Tornado Warning	TAE	Bay, Gulf	29 min
Dec 20, 3:55 PM EST	Special Marine Warning	TAE		3 hr
Dec 20, 4:28 PM EST	Severe Thunderstorm Warning	TAE	Jefferson, Leon, Madison	47 min
Dec 20, 5:47 PM EST	Severe Thunderstorm Warning	TAE	Madison	28 min
Dec 20, 6:48 PM EST	Special Marine Warning	TAE		42 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; radar from the NEXRAD Level II archive.