Alert archive / Florida / Tornado Warnings in 2007

Tornado Warning 9, NWS Tampa Bay, FL

May 6, 2007Polk County, Florida

NWS Tampa Bay, FL issued this tornado warning at May 6, 2007, 5:39 PM EDT for Polk County, Florida. It was in force for 21 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: May 6, 2007, 5:39 PM EDT (21:39 UTC)
Expired: May 6, 2007, 6:00 PM EDT
In force: 21 min
Issued by: NWS Tampa Bay, FL
Area: Counties, with a storm outline in the text

County Polk County, FL

The radar

The Tampa radar (KTBW), 49 km from the middle of the area, began a volume at 21:41 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.

Issued	Product	Office	Lasted
May 6, 1:49 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 9.7 hours before the alert went out and 49 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: 890 J/kg
Mixed-layer CIN: -84 J/kg
Mixed-layer LCL: 898 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 52 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KTBW 062139
TORTBW
FLC105-062200-
/O.NEW.KTBW.TO.W.0009.070506T2139Z-070506T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
539 PM EDT SUN MAY 6 2007

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN POLK COUNTY IN FLORIDA.

* UNTIL 600 PM EDT

* AT 539 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO OVER SOUTHWESTERN POLK COUNTY...MOVING SOUTH AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  BRADLEY JUNCTION BY 540 PM EDT.

THIS IS A DANGEROUS STORM MOVE INTO THE INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING...AWAY FROM WINDOWS. COVER YOUR HEAD AND
BODY WITH PILLOWS OR BLANKETS.

IF CAUGHT OUTSIDE...MOVE INTO A STURDY BUILDING. AS A LAST RESORT...
SEEK SHELTER IN A CULVERT...DITCH...OR LOW SPOT...AND COVER YOUR HEAD
WITH YOUR HANDS.

PLEASE REPORT TORNADOES OR FUNNEL CLOUDS...WINDS OF 58 MPH OR
HIGHER...HAIL THE SIZE OF PENNIES OF LARGER...AND ANY WIND DAMAGE TO
YOUR NATIONAL WEATHER SERVICE IN RUSKIN BY CALLING 813-645-2323.


&&

LAT...LON 2779 8183 2780 8202 2768 8201 2768 8185

$$

22

1 follow-up statement

000 
WWUS52 KTBW 062150
SVSTBW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
549 PM EDT SUN MAY 6 2007

FLC105-062200-
/O.CON.KTBW.TO.W.0009.000000T0000Z-070506T2200Z/
POLK-
549 PM EDT SUN MAY 6 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR
SOUTHWESTERN POLK COUNTY...

THE TORNADO WILL BE NEAR...
  BRADLEY JUNCTION.

THE STORM MAY MOVE INTO NORTHERN HARDEE COUNTY AND ADDITIONAL 
WARNINGS MAY BE REQUIRED.   

THIS IS A DANGEROUS STORM ACT QUICKLY. GO TO A SMALL INTERIOR ROOM
ON THE LOWEST FLOOR OF A STURDY BUILDING...AWAY FROM WINDOWS. COVER
YOUR HEAD WITH PILLOWS OR BLANKETS.

DO NOT USE YOUR VEHICLE TO OUTRUN A TORNADO. VEHICLES MAY BE MOVED BY
THE STRONG WINDS. IF YOU ARE IN THE PATH OF A TORNADO...LEAVE THE
VEHICLE AND GO INTO A DITCH OR LOW SPOT...BUT WATCH FOR RISING
WATERS.

PLEASE REPORT TORNADOES OR FUNNEL CLOUDS...WINDS OF 58 MPH OR
HIGHER...HAIL THE SIZE OF PENNIES OF LARGER...AND ANY WIND DAMAGE TO
YOUR NATIONAL WEATHER SERVICE IN RUSKIN BY CALLING 813-645-2323.

&&

LAT...LON 2779 8183 2780 8202 2768 8201 2768 8185

$$

22

The office that day

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

Issued	Product	Office	Counties	Lasted
May 6, 6:00 AM EDT	Fire Weather Watch	TBW	DeSoto, Hardee, Highlands, Pinellas, Polk, Sumter	23 hr
May 6, 3:40 PM EDT	Special Marine Warning	TBW		65 min
May 6, 3:46 PM EDT	Severe Thunderstorm Warning	TBW	Sumter	22 min
May 6, 4:40 PM EDT	Severe Thunderstorm Warning	TBW	Polk	35 min
May 6, 4:45 PM EDT	Severe Thunderstorm Warning	TBW	Polk	30 min
May 6, 4:55 PM EDT	Tornado Warning	TBW	Polk	20 min
May 6, 5:06 PM EDT	Severe Thunderstorm Warning	TBW	Citrus	39 min
May 6, 5:16 PM EDT	Severe Thunderstorm Warning	TBW	Polk	29 min

Nearby

Tornado Warnings in Florida, 2007 Every tornado warning in 2007 Tornadoes in 2007

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.