Alert archive / Florida / Tornado Warnings in 2006

Tornado Warning 21, NWS Tampa Bay, FL

September 15, 2006Polk County, Florida

NWS Tampa Bay, FL issued this tornado warning at Sep 15, 2006, 7:23 PM EDT for Polk County, Florida. It was in force for 22 min. 3 reports 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
Sep 15, 2006, 7:23 PM EDT (23:23 UTC)
Expired
Sep 15, 2006, 7:45 PM EDT
In force
22 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), 89 km from the middle of the area, began a volume at 23:27 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

TimeReportWhereRemark
Sep 15, 7:25 PM EDTHAIL 0.75Frostproof, FL2 LARGE TREES UPROOTED
Sep 15, 7:30 PM EDTTORNADO 12 Se Frostproof, FLTORNADO ON THE GROUND. DOWNED POWERLINES. PENNY SIZE HAIL MEASURED.
Sep 15, 7:31 PM EDTHAIL 0.755 Se Frostproof, FL

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, 11.4 hours before the alert went out and 89 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, Tampa Bay, FL at 12:00Z on 2006-09-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 538 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, Tampa Bay, FL at 12:00Z on 2006-09-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.1939Sfc1 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
538 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
901 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
37 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KTBW 152324
TORTBW
FLC105-152345-
/O.NEW.KTBW.TO.W.0021.060915T2323Z-060915T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
724 PM EDT FRI SEP 15 2006

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

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

* UNTIL 745 PM EDT

* AT 724 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO OVER SOUTHERN POLK COUNTY...MOVING SOUTH AT 15 MPH.

AT 724 PM EDT...THE PUBLIC REPORTED THIS TORNADO SOUTHEAST OF 
FROSTPROOF MOVING TO THE SOUTHEAST.

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.

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 2776 8142 2775 8162 2766 8161 2766 8141

$$

57
1 follow-up statement
000 
WWUS52 KTBW 152346
SVSTBW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
746 PM EDT FRI SEP 15 2006

FLC105-152353-
/O.EXP.KTBW.TO.W.0021.000000T0000Z-060915T2345Z/
POLK-
746 PM EDT FRI SEP 15 2006

...THE TORNADO WARNING FOR SOUTHERN POLK COUNTY HAS EXPIRED...

AT 746 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED THE TORNADO 
HAD DISSIPATED...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

SKYWARN WEATHER SPOTTERS HAVE REPORTED TREES UPROOTED ALONG WITH 
PENNY TO QUARTER SIZE HAIL WITH THIS STORM DURING THE PAST HALF HOUR 
ASSOCIATED WITH THIS STORM.

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.

DOPPLER RADAR INDICATED THAT HEAVY RAIN...SMALL HAIL...AND GUSTY
WINDS WERE STILL POSSIBLE FROM THIS THUNDERSTORM.

STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST SEVERE WEATHER
INFORMATION.

&&

LAT...LON 2776 8142 2775 8162 2766 8161 2766 8141

$$

57

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 15, 7:08 PM EDTSevere Thunderstorm WarningTBWPolk37 min

Nearby

Tornado Warnings in Florida, 2006Every tornado warning in 2006Tornadoes in 2006

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.