Alert archive / Florida / Tornado Warnings in 2013

Tornado Warning 13, NWS Tallahassee, FL

February 25, 2013Franklin County, Florida

NWS Tallahassee, FL issued this tornado warning at Feb 25, 2013, 12:47 PM EST for Franklin County, Florida. It was in force for 43 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
Feb 25, 2013, 12:47 PM EST (17:47 UTC)
Expired
Feb 25, 2013, 1:30 PM EST
In force
43 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon

County Franklin County, FL

The radar

The Tallahassee radar (KTLH), 103 km from the middle of the area, began a volume at 17:50 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.

IssuedProductOfficeLasted
Feb 25, 12:26 PM ESTTornado WatchSPC7 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 5.8 hours before the alert went out and 105 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 2013-02-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 2013-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 205 square meters per square second.193958Sfc1 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
10 J/kg
Mixed-layer CIN
-262 J/kg
Mixed-layer LCL
460 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
205 m²/s²
0-3 km storm-relative helicity
339 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

905 
WFUS52 KTAE 251747
TORTAE
FLC037-251830-
/O.NEW.KTAE.TO.W.0013.130225T1747Z-130225T1830Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1247 PM EST MON FEB 25 2013

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  COASTAL FRANKLIN COUNTY IN FLORIDA...

* UNTIL 130 PM EST/1230 PM CST/

* AT 1136 AM CST...A DEVELOPING TORNADO HAS BEEN DETECTED BY THE
  NATIONAL WEATHER SERVICE 6 MILES SOUTHWEST OF APALACHICOLA...OR
  NEAR APALACHICOLA AIRPORT...MOVING EAST AT 35 MPH. THERE HAVE 
  ALREADY BEEN A COUPLE OF REPORTS OF WATERSPOUTS SIGHTED JUST
  OFFSHORE.

* THE TORNADO WILL BE NEAR...
  ST GEORGE ISLAND AND EASTPOINT BY 1255 PM EST...

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 2962 8511 2969 8512 2961 8502 2963 8495
      2967 8488 2978 8489 2970 8502 2975 8513
      2990 8448 2980 8464 2983 8456 2981 8456
      2979 8458 2977 8468 2983 8467 2973 8487
      2967 8488 2977 8469 2968 8478 2958 8504
TIME...MOT...LOC 1747Z 264DEG 30KT 2968 8496

$$

9-FOURNIER

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 7:49 PM ESTSpecial Marine WarningTAE56 min
Feb 24, 10:15 PM ESTSpecial Weather StatementTAEGadsden30 min
Feb 25, 2:06 AM ESTSpecial Marine WarningTAE84 min
Feb 25, 2:38 AM ESTSpecial Weather StatementTAEFranklin27 min
Feb 25, 3:06 AM ESTSpecial Weather StatementTAEWakulla24 min
Feb 25, 3:16 AM ESTSpecial Marine WarningTAE59 min
Feb 25, 4:12 AM ESTRiver Flood WarningTAELeon5 days
Feb 25, 4:28 AM ESTSmall Craft AdvisoryTAE59 hr
Feb 25, 5:42 AM ESTAreal Flood WarningTAEBay, Calhoun, Gadsden, Gulf, Liberty6 hr
Feb 25, 6:07 AM ESTSpecial Marine WarningTAE38 min
Feb 25, 8:24 AM ESTSpecial Marine WarningTAE3 hr
Feb 25, 9:56 AM ESTFlash Flood WarningTAEBay, Calhoun94 min
Feb 25, 10:18 AM ESTFlash Flood WarningTAECalhoun, Jackson, Liberty117 min
Feb 25, 10:54 AM ESTSpecial Marine WarningTAE111 min
Feb 25, 11:14 AM ESTFlash Flood WarningTAEBay, Calhoun, Gadsden, Gulf, Jackson, Leon and 1 more2 hr
Feb 25, 11:25 AM ESTFlash Flood WarningTAEBay, Calhoun, Gulf4 hr
Feb 25, 11:45 AM ESTFlash Flood WarningTAELeon4 hr
Feb 25, 12:24 PM ESTTornado WarningTAEFranklin, Gulf36 min
Feb 25, 12:30 PM ESTSpecial Marine WarningTAE2 hr
Feb 25, 12:56 PM ESTFlash Flood WarningTAELeon79 min
Feb 25, 1:30 PM ESTTornado WarningTAEFranklin, Wakulla45 min
Feb 25, 3:26 PM ESTSpecial Marine WarningTAE64 min
Feb 25, 4:06 PM ESTGale WarningTAE24 hr
Feb 25, 6:52 PM ESTRiver Flood WarningTAEGadsden, Leon8 days

Nearby

Tornado Warnings in Florida, 2013Every tornado warning in 2013Tornadoes in 2013

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.