Alert archive / Florida / Tornado Warnings in 2017

Tornado Warning 57, NWS Tallahassee, FL

February 7, 2017Lafayette County, Taylor County, Florida

NWS Tallahassee, FL issued this tornado warning at Feb 7, 2017, 8:14 PM EST for Lafayette County, Taylor County, Florida. It was in force for 10 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 7, 2017, 8:14 PM EST (01:14 UTC)
Expired
Feb 7, 2017, 8:24 PM EST
In force
10 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Lafayette County, FL, Taylor County, FL

The radar

The Tallahassee radar (KTLH), 112 km from the middle of the area, began a volume at 01:17 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 7, 5:33 PM ESTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 1.2 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 2017-02-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 923 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 2017-02-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 223 square meters per square second.19395878Sfc1 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
923 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
575 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
223 m²/s²
0-3 km storm-relative helicity
267 m²/s²
Significant tornado parameter
1.2
Supercell composite
7.1

Open this sounding in Storm Lab

The text

As transmitted.

395 
WFUS52 KTAE 080114
TORTAE
FLC067-123-080145-
/O.NEW.KTAE.TO.W.0057.170208T0114Z-170208T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tallahassee FL
814 PM EST TUE FEB 7 2017

The National Weather Service in Tallahassee has issued a

* Tornado Warning for...
  East central Taylor County in Big Bend of Florida...
  Southwestern Lafayette County in Big Bend of Florida...

* Until 845 PM EST
    
* At 814 PM EST, a severe thunderstorm capable of producing a tornado
  was located 11 miles south of Perry, moving east at 45 mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This dangerous storm will be near...
  Mayo around 840 PM EST. 

Other locations impacted by this tornadic thunderstorm include San
Pedro Junction, Cooks Hammock, Athena, Salem, Pinland and Carbur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 2982 8316 2982 8319 2985 8361 3003 8361
      3007 8315
TIME...MOT...LOC 0114Z 269DEG 41KT 2994 8352 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

30-PULLIN
1 follow-up statement
523 
WWUS52 KTAE 080124
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
824 PM EST TUE FEB 7 2017

FLC067-123-080133-
/O.CAN.KTAE.TO.W.0057.000000T0000Z-170208T0145Z/
Taylor FL-Lafayette FL-
824 PM EST TUE FEB 7 2017

...THE TORNADO WARNING FOR EAST CENTRAL TAYLOR AND SOUTHWESTERN
LAFAYETTE COUNTIES IS CANCELLED...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.

A severe thunderstorm watch remains in effect until 1000 PM EST for
Big Bend of Florida.

LAT...LON 2982 8316 2982 8319 2985 8361 3003 8361
      3007 8315
TIME...MOT...LOC 0121Z 269DEG 41KT 2994 8339 

$$

30-PULLIN

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 7, 7:06 PM ESTSpecial Marine WarningTAE24 min
Feb 7, 7:23 PM ESTSevere Thunderstorm WarningTAEJefferson, Lafayette, Madison, Taylor, Wakulla67 min
Feb 7, 7:25 PM ESTSpecial Marine WarningTAE2 hr
Feb 7, 7:27 PM ESTSpecial Marine WarningTAE48 min
Feb 7, 7:28 PM ESTSpecial Marine WarningTAE47 min
Feb 7, 7:37 PM ESTTornado WarningTAETaylor23 min
Feb 7, 7:45 PM ESTTornado WarningTAETaylor30 min
Feb 7, 7:56 PM ESTSpecial Marine WarningTAE94 min
Feb 7, 7:59 PM ESTTornado WarningTAELafayette, Taylor31 min
Feb 7, 8:04 PM ESTSpecial Marine WarningTAE41 min
Feb 7, 8:05 PM ESTSpecial Marine WarningTAE40 min
Feb 7, 8:27 PM ESTSevere Thunderstorm WarningTAEDixie, Lafayette, Madison, Taylor63 min
Feb 7, 8:40 PM ESTSpecial Marine WarningTAE65 min
Feb 8, 10:37 AM ESTRip Current StatementTAEGulf, Walton11 hr

Nearby

Tornado Warnings in Florida, 2017Every tornado warning in 2017Tornadoes in 2017

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.