Alert archive / Florida / Tornado Warnings in 2017

Tornado Warning 7, NWS Tampa Bay, FL

February 15, 2017Citrus County, Florida

NWS Tampa Bay, FL issued this tornado warning at Feb 15, 2017, 2:46 PM EST for Citrus County, Florida. It was in force for 14 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 15, 2017, 2:46 PM EST (19:46 UTC)
Expired: Feb 15, 2017, 3:00 PM EST
In force: 14 min
Issued by: NWS Tampa Bay, FL
Area: Storm-based polygon
Tornado: Observed
Hail: 0.75 in

County Citrus County, FL

The radar

The Tampa radar (KTBW), 114 km from the middle of the area, began a volume at 19:50 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 nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 7.8 hours before the alert went out and 114 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 746 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 192 m²/s²
0-3 km storm-relative helicity: 210 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

793 
WFUS52 KTBW 151946
TORTBW
FLC017-152000-
/O.NEW.KTBW.TO.W.0007.170215T1946Z-170215T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tampa Bay Area Ruskin FL
246 PM EST WED FEB 15 2017

The National Weather Service in Ruskin has issued a

* Tornado Warning for...
  Southwestern Citrus County in west central Florida...

* Until 300 PM EST

* At 245 PM EST, a likely waterspout was located just offshore near 
  Homosassa, or 9 miles southwest of Homosassa Springs, moving 
  northeast at 55 mph.

  HAZARD...Tornado. 

  SOURCE...Weather spotters confirmed waterspout moving onshore. 

  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 tornado will be near...
  Homosassa around 255 PM EST. 
  Homosassa Springs around 300 PM EST. 

Other locations impacted by this tornado include Chassahowitzka,
Green Acres, Sugarmill Woods and Lecanto.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to 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.

&&

LAT...LON 2873 8276 2885 8253 2873 8248 2869 8258
      2870 8263 2869 8264 2868 8264 2868 8265
      2867 8264 2865 8270
TIME...MOT...LOC 1945Z 240DEG 46KT 2872 8267 

TORNADO...OBSERVED
HAIL...<.75IN

$$

MCKAUGHAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 15, 3:03 AM EST	Rip Current Statement	TBW	Charlotte, Hillsborough, Lee, Manatee, Pinellas, Sarasota	22 hr
Feb 15, 3:10 AM EST	Lake Wind Advisory	TBW	Charlotte, Citrus, DeSoto, Hardee, Hernando, Highlands and 9 more	16 hr
Feb 15, 2:22 PM EST	Special Weather Statement	TBW	Citrus	38 min
Feb 15, 2:40 PM EST	Special Marine Warning	TBW		20 min
Feb 15, 2:59 PM EST	Beach Hazards Statement	TBW	Sarasota	4 days
Feb 15, 3:03 PM EST	Special Weather Statement	TBW	Sumter	27 min
Feb 15, 3:28 PM EST	Tornado Warning	TBW	Sumter	20 min
Feb 15, 3:57 PM EST	Special Marine Warning	TBW		33 min
Feb 15, 4:17 PM EST	Special Weather Statement	TBW	Osceola	28 min
Feb 15, 4:21 PM EST	Special Weather Statement	TBW	Polk	24 min

Nearby

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