Alert archive / Florida / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 86, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Dec 23, 2004, 10:15 AM EST for Citrus County, Florida. It was in force for 45 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
- Dec 23, 2004, 10:15 AM EST (15:15 UTC)
- Expired
- Dec 23, 2004, 11:00 AM EST
- In force
- 45 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Counties, with a storm outline in the text
County Citrus County, FL
The radar
The Tampa radar (KTBW), 122 km from the middle of the area, began a volume at 15:14 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 nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 3.3 hours before the alert went out and 123 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
- 313 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 712 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 314 m²/s²
- 0-3 km storm-relative helicity
- 391 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KTBW 231515 SVRTBW FLC017-231600- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1015 AM EST THU DEC 23 2004 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CITRUS COUNTY IN FLORIDA. * UNTIL 1100 AM EST * AT 1015 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH DAMAGING WINDS...6 MILES SOUTHWEST OF HOMOSASSA SPRINGS...MOVING EAST AT 35 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT... HOMOSASSA SPRINGS. INVERNESS. SEVERE THUNDERSTORMS CONTAIN WIND GUSTS OF 60 MPH OR HIGHER...AND HAIL THE SIZE OF PENNIES OR LARGER. MOVE TO A PLACE OF SAFETY. 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 2885 8270 2870 8268 2872 8227 2889 8224 $$
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 Dec 23, 9:05 AM EST, 1 hour 10 minutes earlier.
Area forecast discussion, Dec 23, 9:05 AM EST, 1 hour 10 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 905 AM EST THU DEC 23 2004 .DISCUSSION...SURFACE ANALYSIS PLACES COLD FROM NEAR KTLH TO WEST OF BUOY 036. RADAR...METARS...AND STLT ALL INDICATING PCPN MOVING ONSHORE AND ACROSS MUCH OF THE COST FROM KSRQ TO LEVY COUNTY...WHILE PASCO AND HERNANDO ARE NOW JUST STARTING TO SEE SOME RAINFALL. SOUTH OF KSRQ THE RAIN IS STILL OFFSHORE BUT EXPECT IT TO MOVE ONSHORE LATE THIS MORNING. ALTHOUGH THE TIMING OF THE PCPN IN THE SOUTH MAY BE SLIGHTLY FASTER THAN EXPECTED...THE WORDING IN THE PUBLIC ZONES GENERALLY COVER THIS AND THE GRIDS ARE FINE. && .MARINE...BUOY DATA AND 12Z RAOB SUPPORT ON GOING MARINE FORECAST WITH SCA GULF AND SCEC TAMPA BAY. ONLY CHANGE FOR THE 1030 ISSUANCE WILL BE TO USE WITH GUSTS TO 30KT TODAY ON THE GULF. WINDS WILL DROP SOME AS THE FRONT MOVES BY BUT THEN PICK BACK UP TO THE RESPECTIVE HIGHLIGHTS FOR THIS EVENING. && .TBW WATCHES/WARNINGS/ADVISORIES... SMALL CRAFT ADVISORY BONITA BEACH TO SUWANNEE RIVER OUT 60 NM SMALL CRAFT EXERCISE CAUTION TAMPA BAY. && RKR
Hazardous weather outlook, Dec 23, 5:21 AM EST, 4 hours 54 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 521 AM EST THU DEC 23 2004 FLZ039-042-043-048-231600- CITRUS-HERNANDO-LEVY-SUMTER- 521 AM EST THU DEC 23 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR FLORIDAS NATURE COAST. ...TURNING SHARPLY COLDER FOR CHRISTMAS... .DAY ONE...TODAY: SCATTERED THUNDERSTORMS AHEAD OF A COLD FRONT MAY PRODUCE WIND GUSTS TO 30 MPH...AS WELL AS OCCASIONAL CLOUD TO GROUND LIGHTNING AND A BRIEF DOWNPOUR...THROUGH 10 AM THIS MORNING. TEMPERATURES WILL DROP STEADILY BEHIND THE FRONT...WHICH IS EXPECTED TO CROSS THE AREA BETWEEN 1 AND 3 PM TODAY. READINGS NEAR 70 AHEAD OF THE FRONT WILL FALL TO BETWEEN 50 AND 55 BY SUNSET...AND CONTINUE DROPPING INTO THE 40S BY DAYBREAK FRIDAY. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY: NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. HOWEVER...RAINY RAW WEATHER IS EXPECTED LATER CHRISTMAS EVE THROUGH CHRISTMAS NIGHT. DAYTIME TEMPERATURES MAY NOT CRACK 50 EITHER DAY AND MINIMUM TEMPERATURES WILL FALL INTO THE UPPER 30S TO LOWER 40S. .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) FLZ049>052-055>057-060-061-231600- DE SOTO-HARDEE-HIGHLANDS-HILLSBOROUGH-MANATEE-PASCO-PINELLAS-POLK- SARASOTA- 521 AM EST THU DEC 23 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL FLORIDA. ...TURNING SHARPLY COLDER FOR CHRISTMAS... .DAY ONE...TODAY: SCATTERED THUNDERSTORMS AHEAD OF A COLD FRONT MAY PRODUCE WIND GUSTS TO 30 MPH...AS WELL AS OCCASIONAL CLOUD TO GROUND LIGHTNING AND A BRIEF DOWNPOUR...THROUGH NOON TODAY. ONE OR TWO STORMS MAY BECOME STRONG...MAINLY OVER SOUTHERN POLK AND HIGHLANDS COUNTIES WHERE THE ATMOSPHERE MAY BECOME A BIT MORE UNSTABLE. SUCH A STORM WOULD PRODUCE WIND GUSTS OF 40 MPH OR MORE ALONG WITH SMALL HAIL. TEMPERATURES WILL DROP STEADILY BEHIND THE FRONT...WHICH IS EXPECTED TO CROSS THE AREA BETWEEN 3 AND 5 PM TODAY. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY: NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. HOWEVER...RAINY RAW WEATHER IS EXPECTED LATER CHRISTMAS EVE THROUGH CHRISTMAS NIGHT. DAYTIME TEMPERATURES ARE EXPECTED TO ONLY RANGE FROM 50 TO 55 EACH DAY AND MINIMUM TEMPERATURES WILL FALL INTO THE LOWER AND MIDDLE 40S. .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) FLZ062-065-231600- CHARLOTTE-LEE- 521 AM EST THU DEC 23 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWEST FLORIDA. ...TURNING COOLER FOR CHRISTMAS... .DAY ONE...TODAY: SCATTERED THUNDERSTORMS AHEAD OF A COLD FRONT MAY PRODUCE WIND GUSTS TO 30 MPH...OCCASIONAL CLOUD TO GROUND LIGHTNING...AND A BRIEF DOWNPOUR...LATER THIS MORNING AND EARLY THIS AFTERNOON. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY: NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. HOWEVER...PERIODS OF COOL RAIN ARE EXPECTED LATER CHRISTMAS EVE THROUGH CHRISTMAS NIGHT. DAYTIME TEMPERATURES FRIDAY WILL ONLY REACH THE LOWER OR MID 60S...AND MAY REMAIN IN THE UPPER 50S ON CHRISTMAS DAY. .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) BSG
In the hours before
Special weather statement, Dec 23, 9:10 AM EST, 1 hour 5 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 910 AM EST THU DEC 23 2004 FLZ039-042-231500- CITRUS-LEVY- 910 AM EST THU DEC 23 2004 ...STRONG THUNDERSTORMS WILL AFFECT THE NORTHERN NATURE COAST... A LINE OF THUNDERSTORMS...MOVING EAST AT 40 MPH...WILL AFFECT YANKEETOWN...LEBANON...OZELLO AND CRYSTAL RIVER...UNTIL 1000 AM EST. GUSTY WINDS UP TO 50 MPH MAY CAUSE LOOSE OBJECTS TO BLOW AROUND. SOME DAMAGE TO TREE LIMBS AND WIRES IS POSSIBLE. TORRENTIAL RAINS WILL REDUCE VISIBILITY TO NEAR ZERO AT TIMES. MOTORISTS MAY WANT TO DELAY TRAVEL.
Special weather statement, Dec 23, 9:53 AM EST, 22 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 953 AM EST THU DEC 23 2004 FLZ039-042-231545- CITRUS-LEVY- 953 AM EST THU DEC 23 2004 ...STRONG THUNDERSTORMS WILL AFFECT CRYSTAL RIVER... A LINE OF THUNDERSTORMS...MOVING EAST AT 35 MPH...WILL AFFECT YANKEETOWN...OZELLO...CRYSTAL RIVER AND HOMOSASSA SPRINGS...UNTIL 1045 AM EST. GUSTY WINDS UP TO 50 MPH MAY CAUSE LOOSE OBJECTS TO BLOW AROUND. SOME DAMAGE TO TREE LIMBS AND WIRES IS POSSIBLE. 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 |
|---|---|---|---|---|
| Dec 23, 8:52 AM EST | Special Marine Warning | TBW | 53 min | |
| Dec 23, 9:46 AM EST | Special Marine Warning | TBW | 29 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.