Alert archive / Florida / Tornado Warnings in 2004
Tornado Warning 35, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this tornado warning at Sep 4, 2004, 11:11 PM EDT for Polk County, Florida. It was in force for 34 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
- Sep 4, 2004, 11:11 PM EDT (03:11 UTC)
- Expired
- Sep 4, 2004, 11:45 PM EDT
- In force
- 34 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 03:15 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 4, 7:55 PM EDT | Tornado Watch | SPC | 12 hr |
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 00:00Z, 3.2 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1308 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 84 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 050311 TORTBW FLC105-050345- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1109 PM EDT SAT SEP 4 2004 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * TORNADO WARNING FOR... WESTERN POLK COUNTY IN FLORIDA. * UNTIL 1145 PM EDT * AT 1109 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO 12 MILES NORTHEAST OF AUBURNDALE...MOVING SOUTHWEST AT 60 MPH. * THE TORNADO WILL AFFECT... AUBURNDALE BY 1115 PM EDT. CRYSTAL LAKE BY 1120 PM EDT. BARTOW BY 1125 PM EDT. MULBERRY BY 1130 PM EDT. 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. REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN RUSKIN. && LAT...LON 2818 8158 2828 8169 2799 8205 2771 8195 $$ 63
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 Sep 4, 8:28 PM EDT, 2 hours 43 minutes earlier.
Area forecast discussion, Sep 4, 8:28 PM EDT, 2 hours 43 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 828 PM EDT SAT SEP 4 2004 ...TORNADO WATCH ISSUED FOR MOST OF THE FORECAST AREA... .UPDATE...A TORNADO WATCH HAS BEEN ISSUED FOR ALL COUNTIES EXCEPT LEE AND CHARLOTTE. HURRICANE FRANCES CONTINUES TO DRIFT VERY SLOWLY TOWARD THE COAST. THE LARGE EYE APPEARS TO BE GETTING SMALLER...AND THE CENTRAL PRESSURE HAS COME DOWN A BIT. AIRCRAFT RECON CONFIRM THE MAXIMUM SUSTAINED WINDS HAVE NOT YET INCREASED...AS REFLECTED ON THE 8 PM ADVISORY FROM THE NATIONAL HURRICANE CENTER. RAIN BANDS CONTINUE TO DRIVE RAPIDLY SOUTHWEST ACROSS THE FORECAST AREA...AND THIS WILL CONTINUE...WITH A GRADUAL INCREASE IN BOTH FREQUENCY AND INTENSITY FOR THE NEXT 12 HOURS AND MORE. SUSTAINED TROPICAL STORM FORCE WINDS HAVE ALREADY BEEN REPORTED IN PINELLAS COUNTY...ALONG WITH REPORTS OF WIND DAMAGE. THIS HURRICANE IS LARGE AND SLOW MOVING. IT IS IMPORTANT NOT TO FOCUS ON THE EXACT TRACK OF THE EYE...AS DAMAGING WINDS EXTEND WELL OUT AWAY FROM THE CENTER. THE SLOW MOVEMENT IS STILL EXPECTED TO LEAD TO VERY HEAVY RAINFALL AMOUNTS WITH SIGNIFICANT FLOODING. ZONES HAVE ALREADY BEEN UPDATED TO REFLECT LATEST CONDITIONS AND THE TORNADO WATCH && .MARINE...CONDITIONS WILL CONTINUE TO DETERIORATE GRADUALLY AND UNSAFE BOATING CONDITIONS ARE ALREADY IN PLACE. SUSTAINED WINDS OF TROPICAL STORM FORCE HAVE ALREADY BEEN REPORTED IN RAIN BANDS WITH HIGHER GUSTS. SMALL CRAFT SHOULD STAY IN PORT. && .TBW WATCHES/WARNINGS/ADVISORIES... TROPICAL STORM WARNING FOR MANATEE...SARASOTA...DESOTO...CHARLOTTE LEE...CITRUS...HERNANDO...HILLSBOROUGH...LEVY...PASCO...AND PINELLAS COUNTIES. TORNADO WATCH IN EFFECT UNTIL 8 AM EDT SUNDAY FOR LEVY...CITRUS... HERNANDO...PASCO...SUMTER...PINELLAS...HILLSBOROUGH...POLK... MANATEE...SARASOTA...HARDEE...DESOTO...AND HIGHLANDS COUNTIES. FLOOD WATCH THROUGH SUNDAY EVENING ALL OF FORECAST AREA. INLAND HURRICANE WIND WARNING FOR SUMTER...POLK...HIGHLANDS...AND HARDEE COUNTIES THROUGH SUNDAY NIGHT. && JILLSON
Hazardous weather outlook, Sep 4, 5:10 AM EDT, 18 hours 1 minute before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 510 AM EDT SAT SEP 4 2004 FLZ039-042-043-048>052-055>057-060>062-065-041208- CHARLOTTE-CITRUS-DE SOTO-HARDEE-HERNANDO-HIGHLANDS-HILLSBOROUGH-LEE- LEVY-MANATEE-PASCO-PINELLAS-POLK-SARASOTA-SUMTER- 510 AM EDT SAT SEP 4 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST FLORIDA. .DAY ONE...TODAY: HURRICANE FRANCES IS SLOWLY APPROACHING FLORIDAS EAST COAST AND IS FORECAST TO MOVE NORTHWESTWARD ACROSS THE STATE TONIGHT AND SUNDAY AND THEN EXIT OUT OF THE GULF LATE SUNDAY. A TROPICAL STORM WARNING IS IN EFFECT FOR LEE AND CHARLOTTE COUNTIES WITH A TROPICAL STORM WATCH IN EFFECT FROM ALONG THE COAST FROM SARASOTA COUNTY TO LEVY. A FLOOD WATCH IS IN EFFECT FOR ALL COUNTIES. AN INLAND HURRICANE WIND WARNING IS IN EFFECT FOR SUMTER...POLK...HIGHLANDS AND HARDEE COUNTIES. WINDS WILL INCREASE TODAY...REACHING NEAR HURRICANE FORCE OVER THE INTERIOR AND TROPICAL STORM FORCE NEAR THE COAST. BANDS OF SHOWERS WILL BE PASSING ACROSS THE STATE TODAY WITH HEAVY RAIN BEGINNING TO AFFECT SOUTHERN COUNTIES TODAY WITH RAINFALL OF UP TO 8 INCHES EXPECTED...ALTHOUGH THERE MAY BE LOCALLY HIGHER AMOUNTS. RESIDENTS CAN EXPECT WIDESPREAD FLOODING. IN POOR DRAINAGE AREAS... MINOR TO MODERATE PROPERTY DAMAGE IS POSSIBLE...AND SEVERAL MAIN THOROUGHFARES MAY BE CLOSED. KNOWN INTERSECTIONS WITH POOR DRAINAGE MAY HAVE WATER LEVELS UP TO SEVERAL FEET. SOME SMALL STREAMS AND CREEKS WILL SURPASS BANK FULL. LARGER RIVERS WILL RISE. A SMALL CRAFT ADVISORY IS IN EFFECT TODAY FOR WINDS OR 20 KNOTS AND HIGHER AND INCREASING TO TROPICAL STORM FORCE LATER IN THE DAY AND CONTINUING SUNDAY. HURRICANE LOCAL STATEMENTS WILL BE UPDATED ON A ROUTINE BASIS AS HURRICANE FRANCES AFFECTS THE AREA AND WILL CONTAIN DETAILED AND UP TO THE MINUTE INFORMATION. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY: HURRICANE FRANCES IS EXPECTED TO CONTINUE TO MOVE NORTHWESTWARD TONIGHT AND SUNDAY WITH HEAVY RAINFALL SPREADING INTO THE CENTRAL AND NORTHERN ZONES WITH AMOUNTS IN THE 8 TO 12 INCH RANGE AND ISOLATED AMOUNTS HIGHER. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. && FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT HTTP://WWW.SRH.NOAA.GOV/TBW (LOWER CASE)
In the hours before
Local storm report, Sep 4, 9:17 PM EDT, 1 hour 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
917 PM EDT SAT SEP 04 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0530 PM TROPICAL STORM VALRICO 27.95N 82.26W
09/04/2004 HILLSBOROUGH FL AMATEUR RADIO
SEVERAL LARGE TREE LIMBS BLOWN DOWN IN A SQUALL
0113 PM TROPICAL STORM SARASOTA 27.34N 82.55W
09/04/2004 SARASOTA FL TRAINED SPOTTER
LARGE TREE BLOWN DOWN IN SQUALL. TREE WAS IN ROAD.
1242 PM TROPICAL STORM VALRICO 27.95N 82.26W
09/04/2004 HILLSBOROUGH FL TRAINED SPOTTER
WIND GUST MEASURED AT 63 MPH
0749 PM TROPICAL STORM SAINT PETERSBURG 27.76N 82.67W
09/04/2004 PINELLAS FL TRAINED SPOTTER
3 - 25 FOOT TREES UPROOTED. LIGHT POLE BENT OVER.
RAILROAD CROSSING SIGN BENT OVER ON 49TH ST BETWEEN 54TH
AVE AND 62ND AVE NORTH.
&&
DSLocal storm report, Sep 4, 10:54 PM EDT, 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
1054 PM EDT SAT SEP 04 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
1008 PM TORNADO 2 E KATHLEEN 28.12N 82.00W
09/04/2004 POLK FL BROADCAST MEDIA
PUBLIC REPORT OF A TORNADO FROM 2 E KATHLEEN TO 3 S
KATHLEEN FROM 1008-1013 PM EDT. LOCATION AND TIME BASED
ON RADAR. REPORT RELAYED BY BAY NEWS 9.
&&
NOAHThe office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 5, 12:31 AM EDT | Tornado Warning | TBW | Hillsborough, Pasco | 29 min |
Nearby
Tornado Warnings in Florida, 2004Every tornado warning in 2004Tornadoes in 2004
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.