Alert archive / Florida / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 18, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Jun 17, 2000, 5:07 PM EDT for Pasco County, Florida. It was in force for 23 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 17, 2000, 5:07 PM EDT (21:07 UTC)
- Expired
- Jun 17, 2000, 5:30 PM EDT
- In force
- 23 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
County Pasco County, FL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 17, 5:10 PM EDT | Hail 0.75 | Dade City, FL | The public reported dime sized hail in Dade City through WFLA-TV (NBC) of Tampa. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 9.1 hours before the alert went out and 67 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
- 487 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 944 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- -10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
068 WUUS52 KTBW 172107 SVRTBW FLC101-172130- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 507 PM EDT SAT JUN 17 2000 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN PASCO COUNTY. * UNTIL 530 PM EDT * AT 457 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL OVER EASTERN PASCO COUNTY... MOVING NORTHWEST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT... DADE CITY NORTH. SEVERE THUNDERSTORMS CONTAIN WIND GUSTS OF 60 MPH OR HIGHER...AND LARGE HAIL THE SIZE OF DIMES OR LARGER. MOVE TO A PLACE OF SAFETY. $$ LAT...LON 2829 8227 2835 8215 2845 8220 2841 8233 88 NNNN
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 Jun 17, 1:45 PM EDT, 3 hours 22 minutes earlier.
Area forecast discussion, Jun 17, 1:45 PM EDT, 3 hours 22 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 145 PM EDT SAT JUN 17 2000 APPEARS THAT AN ACTIVE AFTN/EVE IS SHAPING UP...ESP ACROSS THE COASTAL COS FROM TAMPA BAY N. SHORT RANGE MODELS PINGING ON LOW AND MID LEVEL SE FLOW COMBINING WITH WEAK H50 SHORT WAVE TO GENERATE DECENT UVVS FIRST IN THE INTERIOR...SLIDING WNW TO THE COAST BY EVENING. ALREADY... ACTIVITY FIRING UP ACROSS THE NATURE COAST IN ASSOCIATION WITH WCSB WHICH HAS MADE INROADS. THE BIGGER ACTION IS ALONG THE ECSB FROM OSCEOLA THROUGH FLAGLER COS. EXPECT COVERAGE AND INTENSITY TO INCREASE DURING THE LATE AFTN AND EARLY EVENING. SSE (160 DEG) STEERING FLOW WILL KEEP CONVECTION FROM MOVING OFF THE COAST TOO QUICKLY...ESP N...SO EXPECT ACTIVITY TO CONTINUE INTO THE NIGHT. FOR THE LONGER TERM...SUBTLE CHANGES IN H50 PATTERN WILL PUT A SLIGHT DENT IN PCPN POTENTIAL SUN AND MON. AS H50 RIDGE SLIDES OVER REGION...FLOW IN MID AND UPPER LEVELS BECOMES ENE...INTRODUCING A BIT OF A CAP AND SOME DRIER AIR. IN ADDITION...A SHORT WAVE WILL ROTATE WNW OUT OF THE CENTRAL BAHAMAS MON...ALLOWING SOME INCREASE IN SUBSIDENCE AHEAD OF IT. THE NGM IS BOLDEST ON HOW MUCH DRY AIR INFILTRATES...AND IS PROBABLY OVERDONE GIVEN THE TIME OF YEAR AND UNCERTAINTY OF TIMING OF THE WAVE...WILL GO WITH THE LESS DRY AVN/ETA SOLN. THE FCST: TONIGHT...WILL GO TSTMS LIKELY (ENDING BY MIDNIGHT) THEN FAIR N COAST. S COAST...SCT TSTMS ENDING BY MIDNIGHT...AND EARLY EVE TSTMS INTERIOR. FCST POPS MAY BE A BIT HIGHER THAN THOSE IN CCF DUE TO TIMING (EXPECT CONDS TO BEGIN TO QUIET AFTER 8 PM). SUN THROUGH MON...WILL MAINTAIN THE LOW CHC (30 POP) EVERYWHERE FOR AFTN ACTIVITY AS SFC ECSB A SHADE LIGHTER...AND DROP TO SLGT CHC INTERIOR COS SUN EVENING AS H85-H70 STEERING FLOW STILL SUGGEST LAST LICKS WILL BE NEAR THE COAST. EXTENDED...TUE LOOKS TO BE A BIT MORE ACTIVE AS BAHAMAS SHORT WAVE TRACKS INTO ERN GULFMEX AND SLOWLY DISSIPATES. WED LOOKS TO MATCH CLIMO. IN GENERAL...WILL BROAD BRUSH SCT AFTN/EVE TSTMS. FOR THURS...SUBTLE SHIFT IN H85 WINDS TO SW MAY ALLOW SOME EARLY AM ACTIVITY ALONG THE COAST FROM TAMPA BAY N. FOR NOW WILL JUST REMOVE THE AFTN/EVE WORDING. MARINE: QUIET...(OUTSIDE OF TSTMS)...WITH LGT SE-E FLOW BECOMING ONSHORE EACH AFTN. FIRE WX: THE BIGGEST CONCERN REMAINS LIGHTNING STRIKES...BUT OTHERWISE RH/WIND VALUES WELL ABOVE CRITERIA. PRELIM NUMBERS: TPA BB 074/091/074/091 4333 FMY BB 073/093/073/093 3333 88 .TBW...NONE. GOLDSMITH
Nearby
Severe Thunderstorm Warnings in Florida, 2000Every severe thunderstorm warning in 2000
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.