Alert archive / Florida / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 2, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Feb 24, 2004, 12:14 PM EST for Hernando County, Pasco County, Florida. It was in force for 31 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
- Feb 24, 2004, 12:14 PM EST (17:14 UTC)
- Expired
- Feb 24, 2004, 12:45 PM EST
- In force
- 31 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Counties, with a storm outline in the text
Counties Hernando County, FL, Pasco County, FL
The radar
The Tampa radar (KTBW), 81 km from the middle of the area, began a volume at 17:16 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 severe thunderstorm 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 |
|---|---|---|---|
| Feb 24, 10:25 AM EST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 5.2 hours before the alert went out and 81 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
- 348 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 782 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 206 m²/s²
- 0-3 km storm-relative helicity
- 237 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
116 WUUS52 KTBW 241714 SVRTBW FLC053-101-241745- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1213 PM EST TUE FEB 24 2004 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN HERNANDO COUNTY IN FLORIDA. PASCO COUNTY IN FLORIDA. * UNTIL 1245 PM EST * AT 1213 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH DAMAGING WINDS...14 MILES NORTHWEST OF DADE CITY...MOVING EAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT... MASARYKTOWN. RIDGE MANOR. AT 1213 PM EST...WEATHER SPOTTERS REPORTED 50 MPH WINDS AT HIGHWAY 41 AND COUNTY LINE ROAD. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER... SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. && LAT...LON 2857 8226 2822 8279 2825 8215 2856 8216 $$ NOAH
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Feb 24, 10:43 AM EST, 1 hour 31 minutes earlier.
Area forecast discussion, Feb 24, 10:43 AM EST, 1 hour 31 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1043 AM EST TUE FEB 24 2004 UPDATED ZONES AND COASTALS AGAIN TO INCLUDE TORNADO WATCH. ALSO LOWERED MAX TEMPS A BIT IN THE NORTH WITH COOL POOL DEVELOPING NORTH OF CONVECTIVE BOUNDARY. PREVIOUS DISCUSSION BELOW. LOTS OF THINGS TO LOOK AT THIS MORNING. OVER THE NORTH...QUASI- STATIONARY BOUNDARY IS FOCUS FOR CONVECTION...WHICH CONTINUES TO TRAIN OVER HERNANDO COUNTY...FED BY MOIST...SOUTHERLY LOW LEVEL FLOW. BOUNDARY WILL WAFFLE AROUND A LITTLE THIS AFTERNOON...BUT SHOULD NOT MOVE A WHOLE LOT IN EITHER DIRECTION. LOCALLY HEAVY RAIN TO CONTINUE AS SATELLITE SHOWS ACTIVITY CONTINUING TO FORM ALONG THE BOUNDARY OVER THE EASTERN GULF AND MOVE EASTWARD. FOR THE CENTRAL FA...LARGE BATCH OF LOW CLOUDS OVER THE GULF IS MOVING ONSHORE AND SHOULD BE FAIRLY STUBBORN THIS AFTERNOON. MOSTLY CLOUDY LOOKS GOOD WITH MORE BREAKS INLAND THAN NEAR THE COAST. DOWN SOUTH...MORE SUNSHINE WILL LET TEMPS SHOOT UP INTO THE 80S AWAY FROM THE COAST. OVERALL...CURRENT ZONES LOOK PRETTY GOOD. NO CHANGES PLANNED. SEVERE THREAT...HAVE HAD BRIEF PERIODS OF ROTATION WITH STORMS MOVING ALONG BOUNDARY THIS MORNING...BUT NOTHING PARTICULARLY ORGANIZED YET. ORGANIZATION MAY IMPROVE DURING THE DAY AS LOW LEVEL INSTABILITY INCREASES AND FEEDS INTO THE BOUNDARY...BUT STRONGEST UPPER LEVEL WIND FIELDS DONT GENERATE UNTIL TONIGHT. MARINE...SCEC WORKING OUT WELL SOUTH OF THE BOUNDARY...BUT WINDS MUCH LIGHTER OVER A GOOD PART OF THE NORTHERN LEG. WILL SEPARATE ZONES ACCORDINGLY AT 1030 AM UPDATE. && .TBW WATCHES/WARNINGS/ADVISORIES... SCEC BONITA BCH TO SUWANNEE RVR INCLUDING TAMPA BAY. ALSHEIMER
Hazardous weather outlook, Feb 24, 11:00 AM EST, 1 hour 14 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1100 AM EST TUE FEB 24 2004 .AN OLD FRONTAL BOUNDARY ACROSS NORTH CENTRAL FLORIDA THIS MORNING HAS PROVIDED A FOCUS FOR THUNDERSTORMS WHICH WILL REACH SEVERE LIMITS FROM LATE MORNING INTO THE AFTERNOON FOR POTIONS OF WEST CENTRAL FLORIDA. FLZ039-055>057-060>062-065-242100- CHARLOTTE-DE SOTO-HARDEE-HIGHLANDS-LEE-LEVY-MANATEE-SARASOTA- 1100 AM EST TUE FEB 24 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF WEST CENTRAL AND SOUTHWEST FLORIDA. .DAY ONE...TODAY: SCATTERED THUNDERSTORMS WILL FORM DURING THE AFTERNOON. THESE THUNDERSTORMS WILL PRODUCE STRONG AND GUSTY WINDS ALONG WITH THE POSSIBILITY OF SMALL HAIL. SOME OF THE HEAVIER STORMS MAY HAVE HEAVY RAINFALL WITH MINOR FLOODING POSSIBLE. @0006 FLZ042-043-048>052-242100- CITRUS-HERNANDO-HILLSBOROUGH-PASCO-PINELLAS-POLK-SUMTER- 1100 AM EST TUE FEB 24 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PART OF WEST CENTRAL FLORIDA. .DAY ONE...TODAY: A TORNADO WATCH IS IN EFFECT UNTIL 400 PM EST FOR THE COUNTIES OF...CITRUS...HERNANDO...HILLSBOROUGH...PASCO...PINELLAS...POLK... AND SUMTER. DAMAGING WIND AND LARGE HAIL ARE THE MAIN THREATS UNTIL 400 PM. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA OUTLETS FOR POSSIBLE WATCHES OR WARNINGS. SMALL TORNADOES ARE POSSIBLE UNTIL 400 PM. TREES...POWER LINES...AND POORLY CONSTRUCTED BUILDINGS WILL BE MOST AT RISK. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA OUTLETS FOR POSSIBLE WATCHES OR WARNINGS.
In the hours before
Special weather statement, Feb 24, 9:50 AM EST, 2 hours 24 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 950 AM EST TUE FEB 24 2004 FLZ048-241530- HERNANDO- 950 AM EST TUE FEB 24 2004 ...STRONG THUNDERSTORMS WILL AFFECT HERNANDO COUNTY... A STRONG THUNDERSTORM...MOVING EAST AT 35 MPH...WILL AFFECT WEEKI WACHEE...BAYPORT AND BROOKSVILLE...UNTIL 1030 AM EST. GUSTY WINDS UP TO 40 MPH WILL OCCUR. FREQUENT CLOUD TO GROUND LIGHTNING IS EXPECTED. IF CAUGHT OUTSIDE...CROUCH DOWN IN A LOW SPOT...AWAY FROM TALL OBJECTS.
Special weather statement, Feb 24, 12:02 PM EST, 12 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1202 PM EST TUE FEB 24 2004 FLZ049-050-241745- PASCO-PINELLAS- 1202 PM EST TUE FEB 24 2004 ...STRONG THUNDERSTORMS WILL AFFECT WEST PASCO AND NORTHWEST PINELLAS COUNTIES... STRONG THUNDERSTORMS...MOVING EAST AT 35 MPH...WILL MOVE ONSHORE AND AFFECT AREAS NEAR HUDSON...PORT RICHEY...TARPON SPRINGS...NEW PORT RICHEY AND JASMINE ESTATES...UNTIL 1 PM EST. GUSTY WINDS UP TO 40 MPH AND FREQUENT CLOUD TO GROUND LIGHTNING IS EXPECTED. TORRENTIAL RAINS WILL CAUSE PONDING OF WATER ON ROADS...AND MINOR FLOODING OF POOR DRAINAGE AREAS.
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 11:15 AM EST | Special Marine Warning | TBW | 60 min | |
| Feb 24, 12:15 PM EST | Special Marine Warning | TBW | 45 min | |
| Feb 24, 1:05 PM EST | Special Marine Warning | TBW | 55 min | |
| Feb 24, 1:25 PM EST | Severe Thunderstorm Warning | TBW | Hillsborough | 35 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2004Every severe thunderstorm warning 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.