Alert archive / Florida / Tornado Warnings in 2012

Tornado Warning 36, NWS Tallahassee, FL

May 13, 2012Jackson County, Washington County, Florida

NWS Tallahassee, FL issued this tornado warning at May 13, 2012, 4:29 AM CDT for Jackson County, Washington County, Florida. 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
May 13, 2012, 4:29 AM CDT (09:29 UTC)
Expired
May 13, 2012, 5:00 AM CDT
In force
31 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon

Counties Jackson County, FL, Washington County, FL

The radar

The Eglin Afb radar (KEVX), 53 km from the middle of the area, began a volume at 09:30 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 nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 9.5 hours before the alert went out and 110 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 00:00Z on 2012-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 69 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 00:00Z on 2012-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 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
69 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
1534 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
101 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.

293 
WFUS52 KTAE 130929
TORTAE
FLC063-133-131000-
/O.NEW.KTAE.TO.W.0036.120513T0929Z-120513T1000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
429 AM CDT SUN MAY 13 2012

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL JACKSON COUNTY IN THE PANHANDLE OF FLORIDA...
  EAST CENTRAL WASHINGTON COUNTY IN THE PANHANDLE OF FLORIDA...

* UNTIL 500 AM CDT

* AT 425 AM CDT...A DEVELOPING TORNADO HAS BEEN DETECTED BY THE
  NATIONAL WEATHER SERVICE NEAR GILBERTS MILL...MOVING NORTHEAST AT
  20 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  RIDGETOP...ROUND LAKE...ALFORD...STEELE CITY...KYNESVILLE AND
  COTTONDALE AIRPORT

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.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. IF YOU WAIT TO SEE OR HEAR
IT COMING...IT MAY BE TOO LATE!.

&&

LAT...LON 3080 8535 3068 8524 3057 8547 3066 8554
TIME...MOT...LOC 0930Z 233DEG 17KT 3064 8546

$$

42-DVD
2 follow-up statements
992 
WWUS52 KTAE 130941
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
541 AM EDT SUN MAY 13 2012

FLC133-130951-
/O.CAN.KTAE.TO.W.0036.000000T0000Z-120513T1000Z/
WASHINGTON FL-
441 AM CDT SUN MAY 13 2012

...THE TORNADO WARNING FOR EAST CENTRAL WASHINGTON COUNTY IS
CANCELLED...

LAT...LON 3061 8544 3069 8544 3069 8543 3074 8543
      3080 8535 3068 8524
TIME...MOT...LOC 0941Z 233DEG 17KT 3067 8541

$$

FLC063-131000-
/O.CON.KTAE.TO.W.0036.000000T0000Z-120513T1000Z/
JACKSON FL-
441 AM CDT SUN MAY 13 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 AM CDT FOR CENTRAL
JACKSON COUNTY...

AT 439 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR ROUND LAKE...
MOVING NORTHEAST AT 20 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ALFORD...STEELE CITY AND KYNESVILLE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW! IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

&&

LAT...LON 3061 8544 3069 8544 3069 8543 3074 8543
      3080 8535 3068 8524
TIME...MOT...LOC 0941Z 233DEG 17KT 3067 8541

$$

42-DVD
199 
WWUS52 KTAE 130959
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
459 AM CDT SUN MAY 13 2012

FLC063-131009-
/O.EXP.KTAE.TO.W.0036.000000T0000Z-120513T1000Z/
JACKSON FL-
459 AM CDT SUN MAY 13 2012

...THE TORNADO WARNING FOR CENTRAL JACKSON COUNTY WILL EXPIRE AT 500
AM CDT...

THE STORM HAS WEAKENED BUT WILL BE MONITORED CLOSELY FOR SIGNS OF 
REINTENSIFICATION.

LAT...LON 3061 8544 3069 8544 3069 8543 3074 8543
      3080 8535 3068 8524
TIME...MOT...LOC 0959Z 233DEG 17KT 3072 8533

$$

42-DVD

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 3:56 AM CDTTornado WarningTAEWashington34 min
May 13, 6:46 AM CDTSpecial Marine WarningTAE59 min
May 13, 7:05 AM CDTSpecial Marine WarningTAE55 min
May 13, 7:44 AM CDTSpecial Marine WarningTAE61 min
May 13, 8:02 AM CDTSpecial Marine WarningTAE28 min
May 13, 8:14 AM CDTSpecial Marine WarningTAE61 min
May 13, 8:34 AM CDTSpecial Marine WarningTAE56 min
May 13, 8:51 AM CDTSpecial Weather StatementTAEWalton39 min
May 13, 9:08 AM CDTSpecial Marine WarningTAE52 min
May 13, 9:23 AM CDTTornado WarningTAEWalton32 min
May 13, 9:31 AM CDTSpecial Marine WarningTAE59 min
May 13, 10:00 AM CDTSpecial Marine WarningTAE30 min
May 13, 10:52 AM CDTTornado WarningTAEWalton6 min
May 13, 10:56 AM CDTTornado WarningTAEWalton, Washington12 min
May 13, 10:56 AM CDTTornado WarningTAEBay, Walton14 min
May 13, 11:20 AM CDTSpecial Weather StatementTAEWashington55 min
May 13, 11:47 AM CDTSpecial Weather StatementTAEBay58 min
May 13, 11:52 AM CDTSpecial Marine WarningTAE53 min
May 13, 12:08 PM CDTSevere Thunderstorm WarningTAEBay52 min
May 13, 12:38 PM CDTSpecial Marine WarningTAE67 min
May 13, 12:50 PM CDTSpecial Weather StatementTAECalhoun40 min
May 13, 1:04 PM CDTAreal Flood AdvisoryTAEBay116 min
May 13, 1:23 PM CDTSpecial Weather StatementTAEGulf52 min
May 13, 1:29 PM CDTSpecial Weather StatementTAEGulf31 min
May 13, 2:29 PM CDTSpecial Weather StatementTAELeon31 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.