Alert archive / Florida / Tornado Warnings in 2004
Tornado Warning 20, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this tornado warning at Aug 14, 2004, 1:54 PM EDT for Pasco County, Florida. It was in force for 36 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, 2004, 1:54 PM EDT (17:54 UTC)
- Expired
- Aug 14, 2004, 2:30 PM EDT
- In force
- 36 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Counties, with a storm outline in the text
County Pasco County, FL
The radar
The Tampa radar (KTBW), 70 km from the middle of the area, began a volume at 17:58 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, 5.9 hours before the alert went out and 70 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
- 1978 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 725 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS52 KTBW 141754 TORTBW FLC101-141830- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 154 PM EDT SAT AUG 14 2004 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * TORNADO WARNING FOR... WESTERN PASCO COUNTY IN FLORIDA. * UNTIL 230 PM EDT * AT 154 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A WATERSPOUT MOVING ASHORE AS A TORNADO OVER NEW PORT RICHEY...MOVING NORTHEAST AT 20 MPH. * THE TORNADO WILL AFFECT... PORT RICHEY. JASMINE ESTATES. IF CAUGHT OUTSIDE...MOVE INTO A STURDY BUILDING. AS A LAST RESORT... SEEK SHELTER IN A CULVERT...DITCH...OR LOW SPOT...AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 2828 8281 2819 8280 2821 8268 2831 8270 $$ 25
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, 9:00 AM EDT, 4 hours 54 minutes earlier.
Area forecast discussion, Aug 14, 9:00 AM EDT, 4 hours 54 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 900 AM EDT SAT AUG 14 2004 .FOR THE MORNING UPDATE...DEEP TROPICAL MOISTURE REMAINS OVER THE REGION IN THE WAKE OF HURRICANE CHARLIE. DEEP SOUTHWEST FLOW REMAINS OVER THE AREA...WITH SCATTERED SHOWERS AND THUNDERSTORMS ACROSS THE NORTHEAST GULF OF MEXICO SPREADING ONSHORE OF THE NORTHERN FORECAST AREA. A BAND OF SHOWERS AND THUNDERSTORMS WAS ALSO OVER SOUTHWEST FLORIDA LIFTING SLOWLY NORTH. DAYTIME HEATING WILL LEAD TO NUMEROUS SHOWERS AND THUNDERSTORMS ACROSS THE REGION THIS AFTERNOON WITH LOCALLY HEAVY RAINFALL. CURRENT FORECAST IS ON TRACK WITH NO UPDATE TO THE ZONES PLANNED. && .TBW WATCHES/WARNINGS/ADVISORIES...NONE. OGLESBY
Hazardous weather outlook, Aug 14, 5:30 AM EDT, 8 hours 24 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 530 AM EDT SAT AUG 14 2004 FLZ039-042-043-048>052-055>057-060>062-065-141430- CHARLOTTE-CITRUS-DE SOTO-HARDEE-HERNANDO-HIGHLANDS-HILLSBOROUGH-LEE- LEVY-MANATEE-PASCO-PINELLAS-POLK-SARASOTA-SUMTER- 530 AM EDT SAT AUG 14 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST FLORIDA. .DAY ONE...TODAY: NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED TODAY AS LEFTOVER MOISTURE FROM HURRICANE CHARLEY COMBINES WITH AN UPPER LEVEL DISTURBANCE MOVING ACROSS THE REGION. THE PRIMARY THREATS FROM STRONGER CELLS WILL BE FREQUENT CLOUD TO GROUND LIGHTNING...GUSTY WINDS TO 40 MPH AND LOCALLY HEAVY DOWNPOURS THAT COULD CAUSE MINOR FLOODING OF LOW LYING AND POOR DRAINAGE AREAS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY: SCATTERED MAINLY AFTERNOON AND EARLY EVENING THUNDERSTORMS ARE EXPECTED EACH DAY. THE PRIMARY THREATS FROM STRONGER CELLS WILL BE FREQUENT CLOUD TO GROUND LIGHTNING AND BRIEF HEAVY DOWNPOURS. .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) PRC
In the hours before
Special weather statement, Aug 14, 11:44 AM EDT, 2 hours 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
1144 AM EDT SAT AUG 14 2004
FLZ039-042-043-048-049-051-055-141645-
CITRUS-HERNANDO-HILLSBOROUGH-LEVY-MANATEE-PASCO-SUMTER-
1144 AM EDT SAT AUG 14 2004
...FUNNEL CLOUDS ARE POSSIBLE IN MANATEE...EASTERN
HERNANDO...EASTERN HILLSBOROUGH...EASTERN CITRUS...EASTERN
LEVY...SUMTER AND EASTERN PASCO COUNTIES...
A LINE OF THUNDERSTORMS MOVING EAST INTO INTERIOR SECTIONS OF
COASTAL COUNTIES HAS THE POTENTIAL TO PRODUCE FUNNEL CLOUDS EARLY
THIS AFTERNOON.
AT 1145 AM EDT...LAW ENFORCEMENT OFFICIALS REPORTED A FUNNEL CLOUD IN
SUMTER COUNTY. DOPPLER RADAR SHOWED STORMS CAPABLE OF PRODUCING
FUNNEL CLOUDS MOVING NORTHEAST AT 20 MPH.
FUNNEL CLOUDS CAN BECOME BRIEF...SMALL...BUT DANGEROUS TORNADOES.
MOVE INDOORS ..AND STAY AWAY FROM WINDOWS.
LAT...LON 2932 8253 2746 8253 2739 8234 2742 8206
2822 8212 2931 8206
25Special weather statement, Aug 14, 12:15 PM EDT, 1 hour 39 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1215 PM EDT SAT AUG 14 2004 FLZ052-056-057-061-141700- DE SOTO-HARDEE-HIGHLANDS-POLK- 1215 PM EDT SAT AUG 14 2004 ...FUNNEL CLOUDS ARE POSSIBLE IN DESOTO...HARDEE...HIGHLANDS AND POLK COUNTIES... AT 1215 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN AREA OF SCATTERED THUNDERSTORMS...CAPABLE OF PRODUCING FUNNEL CLOUDS...OVER DESOTO...POLK...HIGHLANDS...AND HARDEE COUNTIES...MOVING NORTHEAST AT 20 MPH. FUNNEL CLOUDS CAN BECOME BRIEF...SMALL...BUT DANGEROUS TORNADOES. MOVE INDOORS...AND STAY AWAY FROM WINDOWS. LAT...LON 2707 8203 2724 8109 2806 8147 2827 8202 25
Special weather statement, Aug 14, 12:50 PM EDT, 1 hour 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
1250 PM EDT SAT AUG 14 2004
FLZ042-043-048>052-055>057-060>062-065-141800-
CHARLOTTE-CITRUS-DE
SOTO-HARDEE-HERNANDO-HIGHLANDS-HILLSBOROUGH-LEE-MANATEE-PASCO-
PINELLAS-POLK-SARASOTA-SUMTER-
1250 PM EDT SAT AUG 14 2004
...FUNNEL CLOUDS ARE POSSIBLE IN MANATEE...CHARLOTTE...LEE...
PINELLAS...DESOTO...HARDEE...HIGHLANDS...POLK...HERNANDO...SARASOTA..
.HILLSBOROUGH...CITRUS...SUMTER AND PASCO COUNTIES AS WELL AS TAMPA
BAY...
AT 1250 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SCATTERED TO NUMEROUS THUNDERSTORMS OVER THE AREA...CAPABLE OF
PRODUCING FUNNEL CLOUDS...MOVING NORTHEAST AT 20 MPH.
LAW ENFORCEMENT OFFICIALS HAVE ALSO REPORTED FUNNEL CLOUDS EARLIER
OVER THE NATURE COAST.
FUNNEL CLOUDS CAN BECOME BRIEF...SMALL...BUT DANGEROUS TORNADOES.
MOVE INDOORS...AND STAY AWAY FROM WINDOWS.
LAT...LON 2900 8270 2785 8287 2652 8225 2648 8158
2700 8153 2722 8090 2827 8155 2841 8190
2901 8186
25The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 1:14 PM EDT | Tornado Warning | TBW | Manatee | 31 min |
| Aug 14, 1:23 PM EDT | Tornado Warning | TBW | Sumter | 37 min |
| Aug 14, 1:29 PM EDT | Special Marine Warning | TBW | 31 min | |
| Aug 14, 1:48 PM EDT | Special Marine Warning | TBW | 57 min | |
| Aug 14, 2:18 PM EDT | Tornado Warning | TBW | Polk | 27 min |
| Aug 14, 2:22 PM EDT | Tornado Warning | TBW | Manatee | 23 min |
| Aug 14, 2:43 PM EDT | Special Marine Warning | TBW | 47 min | |
| Aug 14, 2:48 PM EDT | Tornado Warning | TBW | Manatee | 27 min |
| Aug 14, 2:50 PM EDT | Tornado Warning | TBW | Hardee | 25 min |
| Aug 14, 2:54 PM EDT | Tornado Warning | TBW | Sarasota | 36 min |
| Aug 14, 3:00 PM EDT | Tornado Warning | TBW | Pasco | 30 min |
| Aug 14, 3:10 PM EDT | Special Marine Warning | TBW | 65 min | |
| Aug 14, 3:17 PM EDT | Tornado Warning | TBW | Pinellas | 13 min |
| Aug 14, 4:10 PM EDT | Flash Flood Warning | TBW | Pasco | 65 min |
| Aug 14, 4:29 PM EDT | Special Marine Warning | TBW | 61 min | |
| Aug 14, 4:36 PM EDT | Severe Thunderstorm Warning | TBW | Highlands | 24 min |
| Aug 14, 4:54 PM EDT | Tornado Warning | TBW | Levy | 21 min |
| Aug 14, 4:58 PM EDT | Severe Thunderstorm Warning | TBW | Highlands | 32 min |
| Aug 14, 5:33 PM EDT | Tornado Warning | TBW | Levy | 27 min |
| Aug 14, 5:36 PM EDT | Special Marine Warning | TBW | 54 min | |
| Aug 14, 6:26 PM EDT | Special Marine Warning | TBW | 64 min | |
| Aug 14, 6:32 PM EDT | Tornado Warning | TBW | Pinellas | 28 min |
| Aug 14, 7:13 PM EDT | Tornado Warning | TBW | Hillsborough | 32 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.