Alert archive / Florida / Tornado Warnings in 2017

Tornado Warning 55, NWS Tallahassee, FL

February 7, 2017Taylor County, Florida

NWS Tallahassee, FL issued this tornado warning at Feb 7, 2017, 7:45 PM EST for Taylor County, Florida. It was in force for 30 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, 7:45 PM EST (00:45 UTC)
Expired
Feb 7, 2017, 8:15 PM EST
In force
30 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Taylor County, FL

The radar

The Tallahassee radar (KTLH), 78 km from the middle of the area, began a volume at 00:44 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, 0.8 hours before the alert went out and 76 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.

960 
WFUS52 KTAE 080045
TORTAE
FLC123-080115-
/O.NEW.KTAE.TO.W.0055.170208T0045Z-170208T0115Z/

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

The National Weather Service in Tallahassee has issued a

* Tornado Warning for...
  Central Taylor County in Big Bend of Florida...

* Until 815 PM EST
    
* At 744 PM EST, a severe thunderstorm capable of producing a tornado
  was located 20 miles southwest 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 tornadic thunderstorm will remain over mainly rural areas of
  central Taylor County, including the following locations: Pinland,
  Athena and Adams Beach.

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 2985 8351 2989 8378 2997 8394 2998 8395
      3005 8394 3006 8349 2995 8349
TIME...MOT...LOC 0044Z 270DEG 41KT 2995 8388 

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

$$

30-PULLIN
1 follow-up statement
441 
WWUS52 KTAE 080100
SVSTAE

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

FLC123-080115-
/O.CON.KTAE.TO.W.0055.000000T0000Z-170208T0115Z/
Taylor FL-
800 PM EST TUE FEB 7 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM EST FOR CENTRAL
TAYLOR COUNTY...
    
At 800 PM EST, a severe thunderstorm capable of producing a tornado
was located 11 miles southwest 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. 

Locations impacted include...
Pinland, Athena and Adams Beach. 

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 2985 8351 2989 8378 3005 8376 3006 8349
      2995 8349
TIME...MOT...LOC 0100Z 270DEG 41KT 2995 8366 

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

$$

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, 7:56 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, 8:14 PM ESTTornado WarningTAELafayette, Taylor10 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.