Alert archive / Florida / Tornado Warnings in 2006

Tornado Warning 20, NWS Tampa Bay, FL

August 14, 2006Charlotte County, Florida

NWS Tampa Bay, FL issued this tornado warning at Aug 14, 2006, 5:47 PM EDT for Charlotte County, Florida. It was in force for 13 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
Aug 14, 2006, 5:47 PM EDT (21:47 UTC)
Expired
Aug 14, 2006, 6:00 PM EDT
In force
13 min
Issued by
NWS Tampa Bay, FL
Area
Counties, with a storm outline in the text

County Charlotte County, FL

The radar

The Tampa radar (KTBW), 95 km from the middle of the area, began a volume at 21:48 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 nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 9.8 hours before the alert went out and 95 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 2006-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 820 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 12:00Z on 2006-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
820 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
829 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
24 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.

000 
WFUS52 KTBW 142148
TORTBW
FLC015-142200-
/O.NEW.KTBW.TO.W.0020.060814T2147Z-060814T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
547 PM EDT MON AUG 14 2006

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL CHARLOTTE COUNTY IN FLORIDA.

* UNTIL 600 PM EDT

* AT 547 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
A   TORNADO 30 MILES SOUTHEAST OF PUNTA GORDA...MOVING LITTLE.

* THE TORNADO WILL BE NEAR...
  RURAL CENTRAL CHARLOTTE COUNTY BY 545 PM EDT.

AT 545 PM EDT...LAW ENFORCEMENT OFFICIALS ALSO REPORTED TWO REPORTS 
OF POSSIBLE TOUCHDOWNS IN PORT CHARLOTTE...AS WELL AS A WATERSPOUT 
NEAR THE MOUTH OF THE PEACE RIVER.

IN ADDITION TO THE TORNADO THREAT...THIS STORM IS LIKELY PRODUCING 
PENNY SIZE HAIL...WIND GUSTS IN EXCESS OF 50 MPH...EXCESSIVE AND 
DANGEROUS LIGHTNING...AND BLINDING RAINFALL.

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 2701 8197 2702 8214 2681 8205 2679 8191
      2693 8197

$$

88
1 follow-up statement
000 
WWUS52 KTBW 142159
SVSTBW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
559 PM EDT MON AUG 14 2006

FLC015-142209-
/O.EXP.KTBW.TO.W.0020.000000T0000Z-060814T2200Z/
CHARLOTTE-
559 PM EDT MON AUG 14 2006

...THE TORNADO WARNING FOR CENTRAL CHARLOTTE COUNTY WILL EXPIRE AT
600 PM EDT...

AT 548 PM EDT...THE PUBLIC REPORTED A DEVELOPING FUNNEL CLOUD IN 
PORT CHARLOTTE.

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE TORNADO WAS NOW 
3 MILES SOUTH OF PUNTA GORDA...MOVING LITTLE.

THE TORNADO WILL BE NEAR...
  CHARLOTTE PARK BY 600 PM EDT.

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.

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.

THOUGH THE TORNADO WARNING WILL SOON EXPIRE...DOPPLER RADAR AND OTHER
CONDITIONS SUGGEST THAT ANOTHER WARNING MAY BE ISSUED FOR THE AREA.
STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR DETAILS.

&&

LAT...LON 2684 8201 2698 8195 2698 8208 2687 8213

$$

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 Aug 14, 12:55 PM EDT, 4 hours 52 minutes earlier.

Area forecast discussion, Aug 14, 12:55 PM EDT, 4 hours 52 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
1255 PM EDT MON AUG 14 2006

VISIBLE LOOP SHOWED LARGE AREA OF TOWERING CUMULUS OVER INTERIOR
FLORIDA EARLY THIS AFTERNOON. RADAR SHOWED ISOLATED SHOWERS
FORMING FROM WINTER HAVEN THROUGH SEBRING ALONG OLD OUTFLOW
BOUNDARY FROM MORNING CONVECTION NEAR SPACE COAST. EXPECT
SCATTERED STORMS NORTH TO NUMEROUS STORMS SOUTH THIS AFTERNOON.
ISOLATED STORMS 40 NM OFFSHORE WERE ALONG A DECAYING FRONTAL
BOUNDARY.

.SHORT TERM (TONIGHT THROUGH WEDNESDAY)...A COUPLE OF SURFACE LOWS
FORMED ALONG A STATIONARY FRONT NORTH AND NORTHEAST OF THE NORTHERN
BAHAMAS. MODELS TAKE LOW NORTH DURING PERIOD BUT DIFFER ON LOCATION
AND INTENSITY OF FEATURES.

EXPECT LEFT OVER CONVECTION EARLY THIS EVENING SOUTH OF SARASOTA-
SEBRING...THEN ISOLATED STORMS OFF SHORE OVERNIGHT.

GFS MOS CONTINUES TREND OF LOWERING POPS (TO 30%) DUE TO DRIER AIR
TUESDAY. HOWEVER...EXPECT GOOD MOISTURE UNDER 12 KFT AND LIFTED
INDEX TO DROP TO -7C AS UPPER LEVEL LOW OVER NORTHERN BAHAMAS
DRIFTS OVER FORECAST AREA. IN FACT...DRY AIR ABOVE 12 KFT MAY
ENHANCE DOWNBURST POTENTIAL IN THE SCATTERED STORMS THAT FORM.
WILL KEEP POPS 10% HIGHER THAN MOS.

MOISTURE TO INCREASE WEDNESDAY AND UPPER LOW MOVES INTO GULF OF
MEXICO. LEFT FORECAST AT CLIMATOLOGY WITH 40% AFTERNOON STORMS
DUE TO UNCERTAINTY OF BAHAMA LOW.

.LONG TERM(WED NGT-MON)...THE VERY BEGINNING OF THIS PERIOD COULD BE
IMPACTED BY THE DEVELOPMENT...IF ANY...OF THE LOW PRESSURE AREA NEAR
THE NORTHERN BAHAMAS. FOR SIMPLICITIES SAKE...I WILL ASSUME THAT
REGARDLESS OF THE EVENTUAL DEVELOPMENT OF THIS SYSTEM...IT WILL BE
OUT OF THE PICTURE BY THURSDAY. THIS ASSUMPTION MAY WELL PROVE TO BE
INCORRECT...AND CHANGES WILL PROBABLY HAVE TO BE MADE BY FUTURE
SHIFTS.

FOR NOW...HAVE DECIDED TO LEAN TOWARD GFS SOLUTION FOR THE
EXTENDED...WITH A RIDGE OF HIGH PRESSURE REMAINING TO THE NORTH AND
MAINLY LIGHT EASTERLY FLOW IN PLACE ACROSS OUR REGION. THIS WOULD
FAVOR AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS...MOVING FROM
THE INTERIOR TO THE WEST COAST AS THE DAY PROGRESSES. HAVE ACCEPTED
00Z MEX ENSEMBLE GUIDANCE OF 40 POPS AREA WIDE EACH DAY...WHICH IS
VERY CLOSE TO CLIMATIC NORMS.

TEMPERATURES WILL ALSO REMAIN NEAR NORMAL DURING THIS PERIOD.

&&

.MARINE...HIGH PRESSURE RIDGE IS FORECAST THROUGH PERIOD WITH
WAVES TO BE 3 FT OR LESS.

&&

.AVIATION...AFTERNOON SHOWERS AND STORMS SHOULD REMAIN CLOSE TO THE
COAST AS STEERING FLOW IS MAINLY FROM NORTH TO SOUTH. EXPECT TEMPO
MVFR WITH BRIEF IFR/LIFR POSSIBLE IN THE HEAVIEST SHOWERS. SEA
BREEZE MAY PUSH EAST OF TERMINALS BY 22Z...ESPECIALLY SOUTH OF SRQ.

&&

.FIRE WEATHER...NO CONCERNS.

&&

.PRELIMINARY POINT TEMPS/POPS...
TPA  77  90  76  89 /  20  50  20  40
FMY  76  91  75  90 /  30  60  20  50
GIF  74  90  75  91 /  20  50  20  40
SRQ  78  89  75  89 /  30  60  20  40
BKV  72  91  71  90 /  20  30  20  30
SPG  80  89  79  88 /  20  50  20  40

&&

.TBW WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
GULF WATERS...NONE.
&&

SHORT TERM...NOAH
LONG TERM/AVIATION....JILLSON
Hazardous weather outlook, Aug 14, 5:03 AM EDT, 12 hours 44 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
503 AM EDT MON AUG 14 2006

FLZ039-042-043-048>052-055>057-060>062-065-141800-
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK-
MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE-
503 AM EDT MON AUG 14 2006

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

.DAY ONE...TODAY AND TONIGHT

A FRONTAL BOUNDARY WILL REMAIN STALLED ACROSS THE REGION TODAY
AND TONIGHT. THIS BOUNDARY...ALONG WITH THE SEA BREEZE AND OTHER
SMALL SCALE BOUNDARIES...WILL SERVE AS A FOCUS FOR THUNDERSTORM
DEVELOPMENT LATER DAY. THUNDERSTORMS THAT DEVELOP TODAY WILL BE
CAPABLE OF PRODUCING LOCALLY HEAVY RAINS...FREQUENT
LIGHTNING...GUSTY WINDS... AND SMALL HAIL. IF LIGHTNING IS
OBSERVED OR THUNDER IS HEARD MOVE INDOORS IMMEDIATELY.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

AFTERNOON AND EVENING THUNDERSTORMS ARE POSSIBLE EACH DAY. THESE
STORMS WILL BE CAPABLE OF PRODUCING HEAVY RAIN...GUSTY WINDS...
FREQUENT LIGHTNING...AND SMALL HAIL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED LATER TODAY.

In the hours before

Special weather statement, Aug 14, 4:22 PM EDT, 1 hour 25 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
422 PM EDT MON AUG 14 2006

FLZ065-142100-
LEE-
422 PM EDT MON AUG 14 2006

...STRONG THUNDERSTORM WILL AFFECT SOUTHERN LEE COUNTY...

A THUNDERSTORM...MOVING SOUTH AT 10 MPH...WILL AFFECT RURAL
SOUTHEASTERN LEE COUNTY...5 TO 10 MILES NORTHEAST OF BONITA
SPRINGS...UNTIL 500 PM EDT. GUSTY WINDS UP TO 40 MPH AND FREQUENT
CLOUD TO GROUND LIGHTNING IS EXPECTED. IF CAUGHT OUTSIDE...CROUCH
DOWN IN A LOW SPOT...AWAY FROM TALL OBJECTS. THIS STORM MAY PRODUCE
PEA SIZE HAIL. TORRENTIAL RAINS WILL CAUSE PONDING OF WATER ON
ROADS...AND MINOR FLOODING OF POOR DRAINAGE AREAS.
Special weather statement, Aug 14, 4:31 PM EDT, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
431 PM EDT MON AUG 14 2006

FLZ050-142100-
PINELLAS-
431 PM EDT MON AUG 14 2006

...STRONG THUNDERSTORMS DEVELOPING AND SLIDING SOUTH ACROSS EASTERN
PINELLAS COUNTY INCLUDING CLEARWATER AND PALM HARBOR...

DEVELOPING THUNDERSTORMS...MOVING SOUTH AT 10 MPH...WILL CONTINUE TO
AFFECT AREAS FROM PALM HARBOR...EAST LAKE...OLDSMAR...AND CLEARWATER
UNTIL 500 PM EDT. BRIEFLY GUSTY WINDS 40 TO 50 MPH MAY CAUSE LOOSE
OBJECTS TO BLOW AROUND. MINOR DAMAGE TO TREE LIMBS AND WIRES IS
POSSIBLE. FREQUENT CLOUD TO GROUND LIGHTNING IS EXPECTED. IF CAUGHT
OUTSIDE...CROUCH DOWN IN A LOW SPOT...AWAY FROM TALL OBJECTS. HAIL
UP TO ONE HALF INCH IN DIAMETER IS EXPECTED BUT WILL LAST NO MORE
THAN A FEW MINUTES IN ANY ONE LOCATION. TORRENTIAL RAINS WILL REDUCE
VISIBILITY TO NEAR ZERO AT TIMES. MOTORISTS MAY WANT TO DELAY TRAVEL.
Special weather statement, Aug 14, 5:36 PM EDT, 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
536 PM EDT MON AUG 14 2006

FLZ062-142200-
CHARLOTTE-
536 PM EDT MON AUG 14 2006

...STRONG THUNDERSTORMS POUNDING CHARLOTTE COUNTY INCLUDING PUNTA
GORDA WITH TORRENTIAL RAINS AND HAIL...

THUNDERSTORMS MOVING LITTLE...WILL AFFECT THE I 75 AND TAMIAMI TRAIL
CORRIDOR...INCLUDING CHARLOTTE PARK AND PUNTA GORDA...UNTIL
600 PM EDT. GUSTY WINDS 40 TO 50 MPH MAY CAUSE LOOSE OBJECTS TO BLOW
AROUND. MINOR DAMAGE TO TREE LIMBS AND WIRES IS POSSIBLE. TORRENTIAL
RAINS WILL REDUCE VISIBILITY TO NEAR ZERO AT TIMES. MOTORISTS MAY
WANT TO DELAY TRAVEL. FREQUENT CLOUD TO GROUND LIGHTNING IS
EXPECTED. IF CAUGHT OUTSIDE...CROUCH DOWN IN A LOW SPOT...AWAY FROM
TALL OBJECTS. HAIL UP TO ONE HALF INCH IN DIAMETER IS EXPECTED.

BSG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 14, 5:12 PM EDTSpecial Marine WarningTBW63 min
Aug 14, 6:02 PM EDTSevere Thunderstorm WarningTBWCharlotte28 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.