Alert archive / Florida / Tornado Warnings in 2006

Tornado Warning 15, NWS Tampa Bay, FL

June 13, 2006Polk County, Florida

NWS Tampa Bay, FL issued this tornado warning at Jun 13, 2006, 1:39 AM 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
Jun 13, 2006, 1:39 AM EDT (05:39 UTC)
Expired
Jun 13, 2006, 2:00 AM 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), 74 km from the middle of the area, began a volume at 05:38 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this tornado warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 12, 9:41 PM EDTTornado WatchSPC10 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 00:00Z, 5.7 hours before the alert went out and 74 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 00:00Z on 2006-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 574 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 00:00Z on 2006-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 259 square meters per square second.19395878Sfc1 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
574 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
737 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
259 m²/s²
0-3 km storm-relative helicity
434 m²/s²
Significant tornado parameter
0.6
Supercell composite
7.0

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KTBW 130541
TORTBW
FLC105-130600-
/O.NEW.KTBW.TO.W.0015.060613T0539Z-060613T0600Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
139 AM EDT TUE JUN 13 2006

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

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

* UNTIL 200 AM EDT

* AT 139 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO OVER NORTHWESTERN POLK COUNTY...MOVING NORTHEAST AT 35 MPH.

* THE TORNADO WILL AFFECT...
  GIBSONIA.
  POLK CITY.

THIS IS A DANGEROUS STORM IF YOUR HOME IS IN THE PATH OF THIS 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.

TORNADOES ARE ESPECIALLY DANGEROUS AT NIGHT. TAKE COVER NOW MOVE TO
A SMALL INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING.
ABANDON MOBILE HOMES. LEAVE VEHICLES AND GET INTO A DITCH OR LOW
SPOT.


&&

LAT...LON 2818 8207 2802 8195 2830 8170 2846 8192

$$

22

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tampa Bay, FL wrote its last area forecast discussion before this tornado warning went out at Jun 12, 9:35 PM EDT, 4 hours 4 minutes earlier.

Area forecast discussion, Jun 12, 9:35 PM EDT, 4 hours 4 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
935 PM EDT MON JUN 12 2006

.DISCUSSION...MAIN AREA OF CONVECTION HAS MOVED AWAY FROM THE ACTUAL
CIRCULATION WITH A FEEDER BAND MOVING ACROSS THE COASTAL WATERS.
WINDS OCCASIONALLY GUSTING TO TROPICAL STORM FORCE OVER NORTHERN AND
CENTRAL COASTAL WATERS AND ALONG THE COAST FROM ABOUT VENICE NORTH...
BUT MAINLY ASSOCIATED WITH CONVECTIVE CELLS.  EVENING TBW SOUNDING
INDICATING SOME DIRECTIONAL AND SPEED SHEAR WITH SURFACE WINDS FROM
THE SOUTHEAST AT AROUND 15 TO 20 KNOTS INCREASING TO OVER 50 KNOTS AT
4000 FEET AND SHIFTING TO THE SOUTH SOUTHWEST. THIS GIVES A STORM
RELATIVE HELICITY OF 550 SO WILL NEED TO CONTINUE MONITORING RADAR
FOR POSSIBLE WATERSPOUTS/TORNADOES THROUGH THE NIGHT.  CONVECTIVE
CELLS COULD ALSO TAP SOME OF THE 50+ KNOT WIND CAUSING WIND GUSTS
OVER 50 MPH AS THE BANDS MOVE THROUGH.  OVERALL THE ZONE FORECAST
LOOKS ON TRACK...BUT WILL MAKE SOME MINOR WORDING ADJUSTMENTS IN
A LITTLE WHILE ONCE TORNADO WATCH EXPIRES OR IS EXTENDED.

&&

.MARINE...HIGH WINDS AND ROUGH SEAS WILL CONTINUE THROUGH THE NIGHT
THEN BEGIN TO SUBSIDE TUESDAY AS ALBERTO MOVES NORTHEAST AWAY FROM
THE AREA.  IN GENERAL MARINE FORECAST LOOKS OK AND WILL ONLY MAKE
SOME MINOR ADJUSTMENTS FOR LATE EVENING FORECAST.

&&

.AVIATION...GENERALLY MVFR CONDITIONS WITH OCCASIONAL IFR IN HEAVIER
SHOWERS/THUNDERSTORMS WILL CONTINUE THROUGH THE NIGHT.

&&

.TBW WATCHES/WARNINGS/ADVISORIES...
FL...FLOOD WATCH THROUGH TUESDAY AFTERNOON FOR CHARLOTTE-CITRUS-DE
     SOTO-HARDEE-HERNANDO-HIGHLANDS-HILLSBOROUGH-LEE-LEVY-
     MANATEE-PASCO-PINELLAS-POLK-SARASOTA-SUMTER.

     HURRICANE WARNING FOR CITRUS-HERNANDO-HILLSBOROUGH-LEVY-MANATEE-
     PASCO-PINELLAS.

     INLAND HURRICANE WARNING UNTIL 10 PM EDT TUESDAY FOR CITRUS-
     HERNANDO-LEVY.

     HIGH SURF ADVISORY UNTIL 2 PM EDT TUESDAY FOR CHARLOTTE-CITRUS-
     HERNANDO-HILLSBOROUGH-LEE-LEVY-MANATEE-PASCO-PINELLAS-
     SARASOTA.

     INLAND TROPICAL STORM WARNING UNTIL 10 PM EDT TUESDAY FOR
     HILLSBOROUGH-MANATEE-PASCO-PINELLAS-POLK-SUMTER.

     TROPICAL STORM WARNING FOR SARASOTA.

GULF WATERS...HURRICANE WARNING FOR ENGLEWOOD TO SUWANNEE RIVER OUT
     TO 60 NM INCLUDING TAMPA BAY.

     SMALL CRAFT ADVISORY UNTIL 4 PM EDT TUESDAY FOR BONITA BEACH TO
     ENGLEWOOD OUT TO 60 NM.

&&

SHORT TERM/MARINE....PRC
LONG TERM/AVIATION...AR
Hazardous weather outlook, Jun 12, 6:45 AM EDT, 18 hours 54 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
645 AM EDT MON JUN 12 2006

FLZ039-042-043-048>052-055>057-060>062-065-121500-
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK-
MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE-
645 AM EDT MON JUN 12 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST
FLORIDA AND WEST CENTRAL FLORIDA.

.DAY ONE...TODAY AND TONIGHT

PERIODS OF RAIN AND A FEW THUNDERSTORMS ARE EXPECTED ACROSS THE
AREA TODAY AND TONIGHT WITH AMOUNTS OF 3 TO 6 INCHES...WITH
LOCALLY HIGHER AMOUNTS. THE RECENT DRY CONDITIONS WILL ALLOW THE
GROUND TO ABSORB A SIGNIFICANT AMOUNT OF RAINFALL. HOWEVER...BRIEF
PERIODS OF HEAVY RAIN MAY PROVE TOO MUCH FOR AREA DRAINAGE SYSTEMS
TO HANDLE RESULTING IN FLOODING IN URBAN...RURAL AREAS AND NEARBY
SMALL STREAMS.

BRIEF THUNDERSTORM WIND GUSTS OF 40 TO 50 MPH ARE POSSIBLE THROUGH
TODAY AS THE RAIN BANDS FROM ALBERTO MOVE THROUGH. COASTAL AREAS
COULD SEE SUSTAINED TROPICAL STORM FORCE WINDS BY LATE THIS
EVENING. THE BEST CHANCE FOR INLAND TROPICAL STORM FORCE WINDS
WILL BE ALONG AND NORTH OF INTERSTATE 4 BY TUESDAY MORNING.

ISOLATED TORNADOES AND WATERSPOUTS WILL ALSO BE POSSIBLE IN THE
OUTER RAIN BANDS OF TROPICAL STORM ALBERTO.

TIDES WILL BE 1 TO 2 FEET ABOVE NORMAL THROUGH TODAY.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

TROPICAL STORM ALBERTO IS FORECAST TO MAKE LANDFALL IN THE FLORIDA
BIG BEND TUESDAY AFTERNOON AND EXIT THE MAINLAND UNITED STATES
JUST NORTH OF JACKSONVILLE TUESDAY NIGHT. TROPICAL STORM FORCE
WINDS ARE EXPECTED TO CONTINUE THROUGH MOST OF THE DAY ACROSS THE
NATURE COAST ALONG WITH PERIODS OF RAIN AND A FEW THUNDERSTORMS.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES WILL BE POSSIBLE WITH
SOME LOCALLY HIGHER AMOUNTS. THE HIGH TIDE ON TUESDAY AFTERNOON
COMBINED WITH THE SURGE FROM ALBERTO COULD CAUSE COASTAL FLOODING
FROM TAMPA BAY NORTH THROUGH CEDAR KEY. THE STORM SURGE TO THE
RIGHT OF WHERE ALBERTO MAKES LANDFALL COULD REACH 5 TO 8 FEET
ABOVE THE NORMAL TIDE ALONG THE LEVY...CITRUS AND HERNANDO
COAST... AND POSSIBLY 3 TO 5 FEET IN THE UPPER PORTIONS OF TAMPA
BAY.

FOR WEDNESDAY THROUGH SUNDAY...MORE TYPICAL ISOLATED TO SCATTERED
MAINLY AFTERNOON AND EVENING THUNDERSTORMS ARE EXPECTED EACH DAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED LATER TODAY OR TONIGHT.

PRC

In the hours before

Special weather statement, Jun 12, 8:49 PM EDT, 4 hours 50 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
849 PM EDT MON JUN 12 2006

FLZ050-130130-
PINELLAS-
849 PM EDT MON JUN 12 2006

...RAIN SQUALLS WILL AFFECT SOUTHERN AND CENTRAL PINELLAS COUNTY...

HEAVY RAIN SQUALLS...MOVING NORTH AND NORTHEAST AT 45 MPH...WILL
AFFECT TREASURE ISLAND...SAINT PETERSBURG BEACH...GULFPORT AND SAINT
PETERSBURG...UNTIL 930 PM EDT. GUSTY WINDS UP TO 40 MPH WILL BE
POSSIBLE. TORRENTIAL RAINS WILL CAUSE PONDING OF WATER ON ROADS...
AND MINOR FLOODING OF POOR DRAINAGE AREAS.

JCM
Special weather statement, Jun 12, 8:53 PM EDT, 4 hours 46 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL...CORRECTED
853 PM EDT MON JUN 12 2006

FLZ050-130130-
PINELLAS-
853 PM EDT MON JUN 12 2006

...RAIN SQUALLS WILL AFFECT SOUTHERN AND CENTRAL PINELLAS COUNTY...

HEAVY RAIN SQUALLS...MOVING NORTH AND NORTHEAST AT 45 MPH...WILL
AFFECT TREASURE ISLAND...SAINT PETERSBURG BEACH...GULFPORT AND SAINT
PETERSBURG...UNTIL 930 PM EDT. GUSTY WINDS UP TO 40 MPH WILL BE
POSSIBLE. TORRENTIAL RAINS WILL CAUSE PONDING OF WATER ON
ROADS...AND MINOR FLOODING OF POOR DRAINAGE AREAS. FUNNEL CLOUDS WILL
ALSO BE POSSIBLE WITH THIS ACTIVITY.

JCM
Special weather statement, Jun 12, 9:08 PM EDT, 4 hours 31 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
908 PM EDT MON JUN 12 2006

FLZ049>051-130200-
PINELLAS-HILLSBOROUGH-PASCO-
908 PM EDT MON JUN 12 2006

...HEAVY RAIN SQUALLS WILL AFFECT NORTHERN HILLSBOROUGH AND PINELLAS
COUNTIES AND SOUTHERN PASCO COUNTY...

A BAND OF HEAVY RAIN SQUALLS AND ISOLATED THUNDERSTORMS...MOVING
NORTHEAST AT 45 MPH...WILL AFFECT TARPON SPRINGS...SAFETY
HARBOR...PORT RICHEY...TAMPA...TEMPLE TERRACE...LUTZ...LAND O
LAKES...JASMINE ESTATES...NEW PORT RICHEY...AND PALM HARBOR...UNTIL
1000 PM EDT. GUSTY WINDS UP TO 40 MPH WILL OCCUR. TORRENTIAL RAINS
WILL CAUSE PONDING OF WATER ON ROADS...AND MINOR FLOODING OF POOR
DRAINAGE AREAS. FUNNEL CLOUDS WILL ALSO BE POSSIBLE WITH THESE
SQUALLS.

JCM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 9:00 PM EDTSpecial Marine WarningTBW45 min
Jun 12, 9:24 PM EDTTornado WarningTBWPinellas21 min
Jun 12, 10:42 PM EDTTornado WarningTBWHillsborough18 min
Jun 12, 10:54 PM EDTTornado WarningTBWPasco21 min
Jun 12, 11:35 PM EDTTornado WarningTBWPasco10 min
Jun 13, 11:10 AM EDTInland Tropical Storm WarningTBW6 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.