Alert archive / Florida / Tornado Warnings in 2006
Tornado Warning 19, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this tornado warning at Aug 11, 2006, 10:25 AM EDT for Sarasota County, Florida. It was in force for 20 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
- Aug 11, 2006, 10:25 AM EDT (14:25 UTC)
- Expired
- Aug 11, 2006, 10:45 AM EDT
- In force
- 20 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Counties, with a storm outline in the text
County Sarasota County, FL
The radar
The Tampa radar (KTBW), 68 km from the middle of the area, began a volume at 14:29 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 |
|---|---|---|---|
| Aug 11, 10:28 AM EDT | TORNADO | Venice, FL | TRAINED SPOTTER WITNESSED WATERSPOUT MOVING ASHORE AT VENICE BEACH AS A TORNADO. NO DAMAGE REPORTED AT THAT TIME. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
Did it verify
Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this tornado warning; the first came 3 minutes after it went out.
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, 2.4 hours before the alert went out and 68 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.
- Mixed-layer CAPE
- 748 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 948 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS52 KTBW 111426 TORTBW FLC115-111445- /O.NEW.KTBW.TO.W.0019.060811T1425Z-060811T1445Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1025 AM EDT FRI AUG 11 2006 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * TORNADO WARNING FOR... WESTERN SARASOTA COUNTY IN FLORIDA. * UNTIL 1045 AM EDT * AT 1025 AM EDT...A WATERSPOUT WAS APPROACHING VENICE BEACH...AND MAY COME ASHORE AS A TORNADO. THE WATERSPOUT WAS MOVING NORTHEAST AT 5 MPH. * THE TORNADO WILL BE NEAR... VENICE BY 1025 AM EDT. NOKOMIS BY 1030 AM EDT. LAUREL BY 1040 AM 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. 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 2710 8250 2702 8243 2707 8238 2717 8247 $$ 17
1 follow-up statement
000 WWUS52 KTBW 111442 SVSTBW SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1040 AM EDT FRI AUG 11 2006 FLC115-111450- /O.EXP.KTBW.TO.W.0019.000000T0000Z-060811T1445Z/ SARASOTA- 1040 AM EDT FRI AUG 11 2006 ...THE TORNADO WARNING FOR WESTERN SARASOTA COUNTY WILL EXPIRE AT 1045 AM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE STORM CONTINING THE WATERSPOUT HAS MOVED INLAND AND DISSIPATED. PLEASE REPORT ANY DAMAGE ASSOCIATED WITH THIS WATERSPOUT AND TORNADO TO YOUR NATIONAL WEATHER SERVICE IN RUSKIN BY CALLING 813-645-2323. && LAT...LON 2710 8250 2702 8243 2707 8238 2717 8247 $$
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 11, 9:30 AM EDT, 55 minutes earlier.
Area forecast discussion, Aug 11, 9:30 AM EDT, 55 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL 930 AM EDT FRI AUG 11 2006 .DISCUSSION...12Z SOUNDING SHOWS SUBTLE MOISTURE INCREASE COMPARED TO THIS TIME YESTERDAY. HOWEVER STILL DRIER THAN NORMAL AIRMASS AND RIDGING OVERHEAD SHOULD PRECLUDE MOST TYPICAL AFTERNOON TSTM ACTIVITY. ALTHO CANT RULE OUT A VERY ISOLD RW OR TSTM LATE THIS AFTERNOON...POPS WILL REMAIN BELOW 20%. HOT AGAIN WITH DRY AIRMASS...HIGHS TODAY 92-96. CURRENT PACKAGE IN GOOD SHAPE AND NO SIGNIF CHANGES PLANNED FOR THE MORNING UPDATE. && .MARINE...LIGHT AND VRBL WINDS SOUTH OF TAMPA BAY THIS MORNING...BUT NORTH OF THE BAY THE WINDS ARE SHIFTING TO WEST AND INCREASING TO AROUND 10 KTS IN RESPONSE TO THE TIGHTENING PRES GRAD AND TROUGH TO OUR NORTH. CURRENT CWF DEPICTS THIS TRANSITION AND NO CHANGES TO CURRENT MARINE PRODUCTS. && .AVIATION...VFR CONDITIONS EXPECTED NEXT 24 HOURS AS HOT AND DRY PATTERN CONTINUES. && .TBW WATCHES/WARNINGS/ADVISORIES... FL...NONE. GULF WATERS...NONE. && NP/EJ
Hazardous weather outlook, Aug 11, 4:52 AM EDT, 5 hours 33 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 452 AM EDT FRI AUG 11 2006 FLZ039-042-043-048-111400- LEVY-CITRUS-SUMTER-HERNANDO- 452 AM EDT FRI AUG 11 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NATURE COAST OF WEST CENTRAL FLORIDA. .DAY ONE...TODAY AND TONIGHT A VERY DRY AND STABLE AIR MASS COVERING THE NATURE COAST WILL LIMIT THUNDERSTORMS DEVELOPMENT TODAY WITH ONLY A SLIGHT CHANCE OF A STRAY STORM OVER FAR INTERIOR LOCATIONS LATE IN THE AFTERNOON. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY HOT AND DRY CONDITIONS WILL CONTINUE ON SATURDAY WITH ONLY A SLIGHT CHANCE OF AN INLAND THUNDERSTORM DURING THE AFTERNOON. A SOUTHWARD MOVING LOW PRESSURE TROUGH WILL INCREASE CHANCES FOR SCATTERED TO NUMEROUS AFTERNOON AND EVENING THUNDERSTORMS ON SUNDAY. SCATTERED MAINLY AFTERNOON AND EVENING THUNDERSTORMS CAN BE EXPECTED MONDAY THROUGH THURSDAY. THUNDERSTORMS THAT DEVELOP WILL BE CAPABLE OF PRODUCING CLOUD TO GROUND LIGHTNING AND LOCALLY HEAVY RAIN. IF HAZARDOUS WEATHER APPROACHES YOUR LOCATION...MOVE INDOORS IMMEDIATELY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. FLZ049>052-055>057-060>062-065-111400- PASCO-PINELLAS-HILLSBOROUGH-POLK-MANATEE-HARDEE-HIGHLANDS- SARASOTA-DE SOTO-CHARLOTTE-LEE- 452 AM EDT FRI AUG 11 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL AND SOUTHWEST FLORIDA. .DAY ONE...TODAY AND TONIGHT HOT AND UNUSUALLY DRY CONDITIONS WILL PREVAIL OVER WEST CENTRAL AND SOUTHWEST FLORIDA TODAY...WITH ONLY A VERY SLIGHT CHANCE OF A LATE AFTERNOON THUNDERSTORM MAINLY INLAND FROM THE COAST. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY HOT AND DRY CONDITIONS WILL CONTINUE ON SATURDAY WITH ONLY A SLIGHT CHANCE OF AN INLAND THUNDERSTORM DURING THE AFTERNOON. A SOUTHWARD MOVING LOW PRESSURE TROUGH WILL INCREASE CHANCES FOR SCATTERED AFTERNOON AND EVENING THUNDERSTORMS ON SUNDAY...WITH BEST CHANCES FROM THE BAY AREA NORTH. SCATTERED MAINLY AFTERNOON AND EVENING THUNDERSTORMS CAN BE EXPECTED MONDAY THROUGH THURSDAY. THUNDERSTORMS THAT DO DEVELOP WILL BE CAPABLE OF PRODUCING CLOUD TO GROUND LIGHTNING STRIKES AND LOCALLY HEAVY RAIN. IF HAZARDOUS WEATHER APPROACHES YOUR LOCATION...MOVE INDOORS IMMEDIATELY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. JCM
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 10:25 AM EDT | Special Marine Warning | TBW | 17 min | |
| Aug 11, 11:36 AM EDT | Special Weather Statement | TBW | Sarasota | 54 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.