Alert archive / Florida / Tornado Warnings in 2012

Tornado Warning 47, NWS Tallahassee, FL

July 29, 2012Wakulla County, Florida

NWS Tallahassee, FL issued this tornado warning at Jul 29, 2012, 6:40 PM EDT for Wakulla County, Florida. It was in force for 19 min. 2 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
Jul 29, 2012, 6:40 PM EDT (22:40 UTC)
Expired
Jul 29, 2012, 6:59 PM EDT
In force
19 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon

County Wakulla County, FL

The radar

The Tallahassee radar (KTLH), 20 km from the middle of the area, began a volume at 22:43 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

TimeReportWhereRemark
Jul 29, 6:43 PM EDTTORNADO3 Nne Crawfordville, FLCOUNTY DISPATCHER REPORTS NUMEROUS TREES AND POWERLINES DOWN. FIRST RESPONDERS ARE ON THE WAY TO THE SCENE
Jul 29, 6:43 PM EDTTORNADO4 N Crawfordville, FLLARGE TREE DOWN ON HOUSE, JUST OFF WHIDDON LAKE ROAD

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

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.7 hours before the alert went out and 21 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-pSkew-T log-p diagram, Tallahassee Rgnl, FL at 12:00Z on 2012-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2352 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2012-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
2352 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
696 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

332 
WFUS52 KTAE 292240
TORTAE
FLC129-292315-
/O.NEW.KTAE.TO.W.0047.120729T2240Z-120729T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
640 PM EDT SUN JUL 29 2012

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL WAKULLA COUNTY IN FLORIDA...

* UNTIL 715 PM EDT

* AT 638 PM EDT...A DEVELOPING TORNADO HAS BEEN DETECTED BY THE
  NATIONAL WEATHER SERVICE NEAR CRAWFORDVILLE...OR NEAR ARRAN...
  MOVING SOUTHEAST AT 5 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  WAKULLA SPRINGS AND SHADEVILLE.

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 3022 8426 3012 8435 3024 8444 3027 8440
TIME...MOT...LOC 2240Z 316DEG 6KT 3023 8439

$$

25-CAMP
1 follow-up statement
141 
WWUS52 KTAE 292259
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
659 PM EDT SUN JUL 29 2012

FLC129-292308-
/O.CAN.KTAE.TO.W.0047.000000T0000Z-120729T2315Z/
WAKULLA FL-
659 PM EDT SUN JUL 29 2012

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

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.

LAT...LON 3022 8426 3012 8435 3024 8444 3027 8440
TIME...MOT...LOC 2258Z 316DEG 6KT 3021 8437

$$

25-CAMP

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 4:14 PM EDTSpecial Weather StatementTAEMadison61 min
Jul 29, 5:44 PM EDTSpecial Weather StatementTAEMadison46 min
Jul 29, 6:21 PM EDTSpecial Weather StatementTAEWakulla39 min
Jul 29, 6:36 PM EDTSpecial Weather StatementTAEGadsden39 min

Nearby

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