Alert archive / Florida / Tornado Warnings in 2012

Tornado Warning 77, NWS Tallahassee, FL

December 25, 2012Bay County, Florida

NWS Tallahassee, FL issued this tornado warning at Dec 25, 2012, 9:13 PM CST for Bay County, Florida. It was in force for 18 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 25, 2012, 9:13 PM CST (03:13 UTC)
Expired: Dec 25, 2012, 9:31 PM CST
In force: 18 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon

County Bay County, FL

The radar

The Eglin Afb radar (KEVX), 33 km from the middle of the area, began a volume at 03:16 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.

Issued	Product	Office	Lasted
Dec 25, 2:41 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 3.2 hours before the alert went out and 140 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: 1109 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 232 m²/s²
0-3 km storm-relative helicity: 410 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.

547 
WFUS52 KTAE 260313
TORTAE
FLC005-260400-
/O.NEW.KTAE.TO.W.0077.121226T0313Z-121226T0400Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
913 PM CST TUE DEC 25 2012

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN BAY COUNTY IN THE PANHANDLE OF FLORIDA...

* UNTIL 1000 PM CST

* AT 912 PM CST...A DEVELOPING TORNADO HAS BEEN DETECTED BY THE
  NATIONAL WEATHER SERVICE 13 MILES SOUTH OF PANAMA CITY BEACH...OR
  12 MILES SOUTHWEST OF GULF LAGOON BEACH...MOVING NORTHEAST AT 45
  MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ST
  ANDREWS STATE PARK...BILTMORE BEACH...WEST PANAMA CITY...EDGEWATER
  GULF BEACH...BAHAMA BEACH...BID-A-WEE...GULF RESORT BEACH...
  MAGNOLIA BEACH...PFN-BAY COUNTY AIRPORT...SOUTHPORT AND VICKSBURG.

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 3044 8576 3044 8569 3039 8554 3011 8573
      3015 8578 3022 8590 3023 8590
TIME...MOT...LOC 0313Z 208DEG 39KT 3003 8591

$$

42-DVD

1 follow-up statement

162 
WWUS52 KTAE 260331
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
931 PM CST TUE DEC 25 2012

FLC005-260342-
/O.CAN.KTAE.TO.W.0077.000000T0000Z-121226T0400Z/
BAY FL-
931 PM CST TUE DEC 25 2012

...THE TORNADO WARNING FOR WESTERN BAY COUNTY IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM CST WEDNESDAY MORNING
FOR SOUTHEAST ALABAMA AND NORTHWEST FLORIDA AND SOUTHWEST GEORGIA.

LAT...LON 3044 8576 3044 8569 3039 8554 3011 8573
      3015 8578 3022 8590 3023 8590
TIME...MOT...LOC 0332Z 208DEG 39KT 3021 8580

$$

42-DVD

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 25, 6:04 PM CST	Special Marine Warning	TAE		35 min
Dec 25, 6:42 PM CST	Special Marine Warning	TAE		93 min
Dec 25, 7:08 PM CST	Tornado Warning	TAE	Bay	34 min
Dec 25, 7:09 PM CST	Wind Advisory	TAE	Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more	18 hr
Dec 25, 7:10 PM CST	Special Marine Warning	TAE		19 min
Dec 25, 8:40 PM CST	Special Marine Warning	TAE		95 min
Dec 25, 10:30 PM CST	Special Marine Warning	TAE		45 min
Dec 25, 10:54 PM CST	Severe Thunderstorm Warning	TAE	Walton	66 min
Dec 25, 11:14 PM CST	Special Marine Warning	TAE		2 hr
Dec 25, 11:57 PM CST	Special Weather Statement	TAE	Bay, Holmes, Walton, Washington	63 min
Dec 26, 12:07 AM CST	Special Marine Warning	TAE		83 min
Dec 26, 12:54 AM CST	Special Weather Statement	TAE	Bay, Calhoun, Gulf, Jackson	66 min
Dec 26, 1:10 AM CST	Special Marine Warning	TAE		80 min
Dec 26, 1:58 AM CST	Special Weather Statement	TAE	Gulf, Liberty	32 min
Dec 26, 3:06 AM CST	Special Weather Statement	TAE	Leon	54 min
Dec 26, 5:13 AM CST	Special Weather Statement	TAE	Lafayette, Taylor	62 min
Dec 26, 1:09 PM CST	Freeze Warning	TAE	Holmes, Jackson, Walton, Washington	14 hr

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.