Alert archive / Florida / Tornado Warnings in 2011

Tornado Warning 12, NWS Tampa Bay, FL

January 25, 20115 counties in Florida

NWS Tampa Bay, FL issued this tornado warning at Jan 25, 2011, 7:01 PM EST for 5 counties in Florida. It was in force for 29 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jan 25, 2011, 7:01 PM EST (00:01 UTC)
Expired: Jan 25, 2011, 7:30 PM EST
In force: 29 min
Issued by: NWS Tampa Bay, FL
Area: Storm-based polygon

Counties DeSoto County, FL, Hardee County, FL, Highlands County, FL, Manatee County, FL, Sarasota County, FL

The radar

The Tampa radar (KTBW), 86 km from the middle of the area, began a volume at 00:05 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.

What was reported inside it

Time	Report	Where	Remark
Jan 25, 7:08 PM EST	TORNADO	3 Se Ona, FL	TORNADO IN RURAL HARDEE REPORTED TO HARDEE E.M. NO DAMAGE REPORTED. TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jan 25, 2:07 PM EST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 00:00Z, 0.0 hours before the alert went out and 164 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: 455 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 529 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 163 m²/s²
0-3 km storm-relative helicity: 238 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 2.0

Open this sounding in Storm Lab

The text

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

221 
WFUS52 KTBW 260001
TORTBW
FLC027-049-055-081-115-260030-
/O.NEW.KTBW.TO.W.0012.110126T0001Z-110126T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
701 PM EST TUE JAN 25 2011

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* TORNADO WARNING FOR...
  HARDEE COUNTY IN FLORIDA.
  DESOTO COUNTY IN FLORIDA.
  WESTERN HIGHLANDS COUNTY IN FLORIDA.
  SOUTHEASTERN MANATEE COUNTY IN FLORIDA.
  EASTERN SARASOTA COUNTY IN FLORIDA.

* UNTIL 730 PM EST

* AT 651 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
  TORNADO 9 MILES WEST OF ARCADIA. DOPPLER RADAR ALSO INDICATED A    
  TORNADO 3 MILES SOUTH OF ZOLFO SPRINGS AND NEAR GARDNER. MOVING    
  EAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  ARCADIA.
  ZOLFO SPRINGS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THE TORNADO GO TO A SMALL INTERIOR ROOM IN
A STRONG AND WELL CONSTRUCTED BUILDING. CARS AND MOBILE HOMES ARE NOT
SAFE. IF NO SHELTER IS AVAILABLE...LIE FLAT IN A DITCH OR CULVERT AND
COVER YOUR HEAD WITH YOUR HANDS.

TO REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE PLEASE CALL
813-645-2323.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EST TUESDAY EVENING
FOR SOUTHWESTERN FLORIDA.

&&

LAT...LON 2758 8135 2706 8137 2706 8214 2757 8187
TIME...MOT...LOC 0000Z 268DEG 29KT 2723 8192

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 25, 7:00 PM EST	Special Marine Warning	TBW		90 min
Jan 25, 7:18 PM EST	Tornado Warning	TBW	Charlotte, DeSoto, Highlands, Lee	27 min
Jan 25, 7:33 PM EST	Tornado Warning	TBW	DeSoto, Highlands	57 min
Jan 25, 7:45 PM EST	Special Weather Statement	TBW	Lee	45 min
Jan 25, 8:02 PM EST	Severe Thunderstorm Warning	TBW	Charlotte, Lee	43 min
Jan 26, 3:29 AM EST	Lake Wind Advisory	TBW	DeSoto, Hardee, Highlands, Pinellas, Polk, Sumter	13 hr

Nearby

Tornado Warnings in Florida, 2011 Every tornado warning in 2011 Tornadoes in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.