Alert archive / Florida / Tornado Warnings in 2011

Tornado Warning 27, NWS Tampa Bay, FL

June 6, 2011Hillsborough County, Florida

NWS Tampa Bay, FL issued this tornado warning at Jun 6, 2011, 7:13 PM EDT for Hillsborough County, Florida. It was in force for 9 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: Jun 6, 2011, 7:13 PM EDT (23:13 UTC)
Expired: Jun 6, 2011, 7:22 PM EDT
In force: 9 min
Issued by: NWS Tampa Bay, FL
Area: Storm-based polygon

County Hillsborough County, FL

The radar

The Tampa radar (KTBW), 38 km from the middle of the area, began a volume at 23:16 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
Jun 6, 7:15 PM EDT	HAIL 0.25	5 S Lutz, FL	PEA SIZED HAIL. ALSO SMALL BRANCHES DOWN AND DEBRIS FLYING THROUGH THE AIR.

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

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 11.2 hours before the alert went out and 38 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: 15 J/kg
Mixed-layer CIN: -438 J/kg
Mixed-layer LCL: 1327 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 112 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

142 
WFUS52 KTBW 062313
TORTBW
FLC057-062345-
/O.NEW.KTBW.TO.W.0027.110606T2313Z-110606T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
713 PM EDT MON JUN 6 2011

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN HILLSBOROUGH COUNTY IN FLORIDA.

* UNTIL 745 PM EDT

* AT 712 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO NEAR CARROLLWOOD...OR NEAR TAMPA...MOVING SOUTHWEST AT 15
  MPH.

* THE TORNADO WILL BE NEAR...
  CARROLLWOOD.
  WEST PARK.
  TAMPA INTERNATIONAL AIRPORT.
  TOWN 'N' COUNTRY.

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.

&&

LAT...LON 2802 8264 2812 8246 2805 8239 2794 8252
TIME...MOT...LOC 2314Z 054DEG 14KT 2803 8249

$$

1 follow-up statement

539 
WWUS52 KTBW 062322
SVSTBW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
722 PM EDT MON JUN 6 2011

FLC057-062333-
/O.CAN.KTBW.TO.W.0027.000000T0000Z-110606T2345Z/
HILLSBOROUGH FL-
722 PM EDT MON JUN 6 2011

...THE TORNADO WARNING FOR WESTERN HILLSBOROUGH COUNTY IS
CANCELLED...

ALTHOUGH THE TORNADO HAS LIFTED THIS STORM MAY CONTINUE TO PRODUCE
STRONG GUSTY WINDS...HEAVY RAIN...AND SMALL HAIL UNTIL IT FULLY
DISSIPATES.

LAT...LON 2802 8264 2812 8246 2805 8239 2794 8252
TIME...MOT...LOC 2323Z 054DEG 14KT 2801 8252

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 6, 3:09 PM EDT	Special Weather Statement	TBW	Levy	36 min
Jun 6, 3:30 PM EDT	Severe Thunderstorm Warning	TBW	Levy	18 min
Jun 6, 5:08 PM EDT	Special Weather Statement	TBW	Sumter	52 min
Jun 6, 5:21 PM EDT	Severe Thunderstorm Warning	TBW	Sumter	39 min
Jun 6, 5:55 PM EDT	Severe Thunderstorm Warning	TBW	Hernando, Pasco, Sumter	35 min
Jun 6, 6:22 PM EDT	Special Weather Statement	TBW	Pasco	38 min
Jun 6, 6:56 PM EDT	Special Weather Statement	TBW	Hillsborough	64 min

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.