Alert archive / Florida / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 8, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Jun 12, 2000, 4:15 PM EDT for Hillsborough County, Manatee County, Florida. It was in force for 45 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 12, 2000, 4:15 PM EDT (20:15 UTC)
- Expired
- Jun 12, 2000, 5:00 PM EDT
- In force
- 45 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
Counties Hillsborough County, FL, Manatee County, FL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 12, 4:30 PM EDT | Thunderstorm Wind | Wimauma, FL | The public reported several large branches downed by thunderstorm winds at a canoe livery in Wimauma. |
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, 8.3 hours before the alert went out and 5 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
- 347 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 963 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
461 WUUS52 KTBW 122016 SVRTBW FLC057-081-122100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RUSKIN FL 415 PM EDT MON JUN 12 2000 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN HILLSBOROUGH COUNTY IN WEST CENTRAL FLORIDA NORTHERN MANATEE COUNTY IN WEST CENTRAL FLORIDA * UNTIL 500 PM EDT * AT 413 PM...SEVERE THUNDERSTORMS WERE INDICATED BY NATIONAL WEATHER SERVICE DOPPLER RADAR 5 MILES SOUTHEAST OF ELLENTON AND NEAR RUSKIN MOVING NORTHWEST AT 15 MPH. DIME SIZE HAIL WAS REPORTED WITH THE STORM IN MANATEE COUNTY 4 MILES EAST OF I-75 ON STATE ROAD 60. SEVERE THUNDERSTORMS PRODUCE STRONG DAMAGING WINDS IN EXCESS OF 58 MPH AND/OR LARGE HAIL. MOVE INDOORS TO A STURDY BUILDING... MOBILE HOMES ARE NOT SAFE.
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 12, 2:50 PM EDT, 1 hour 25 minutes earlier.
Area forecast discussion, Jun 12, 2:50 PM EDT, 1 hour 25 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 250 PM EDT MON JUN 12 2000 CURRENTLY...CONVECTION IS A LITTLE SLOW IN DEVELOPING EARLY THIS AFTERNOON...BUT WITH GOES SOUNDING DATA INDICATING PWS 2 AND LIS AROUND -1...SCATTERED SHOWERS AND TSTMS SHOULD STILL FIRE OFF THE REMAINDER OF THE AFTERNOON ESPECIALLY AS MESO-SCALE BOUNDARY INTERACTIONS BEGIN TO TAKE PLACE...THUS WILL WORD FOR EVENING CHANCE CATEGORY POPS...BEFORE CONVECTION FINALLY BEGINS TO WIND DOWN LATE TONIGHT. FORECAST...MODELS CONTINUE IN RELATIVELY GOOD AGREEMENT WITH RESPECT TO SYNOPTIC SCALE FEATURES THIS FORECAST PACKAGE. UPPER LOW AND ATTENDANT WEAK INVERTED SURFACE TROUGH REFLECTION OVER THE SRN GULF WILL CONTINUE TO MOVE W-NWWD THROUGH TUESDAY TAKING WITH IT DEEPEST MOISTURE AXIS. UPPER RIDGE SLOWLY BUILDS OVER THE ATLANTIC NEXT DAY OR SO WITH DRYING WEDGE PROGD TO WORK ITS WAY WEST INTO THE CENTRAL FA ON WEDNESDAY. MODELS DIFFER SOME WITH JUST HOW FAR WEST THE DRIER AIR WILL MAKE IT...BUT THERE SHOULD STILL BE ADEQUATE LOW LEVEL MOISTURE...INSTABILITY AND THE DEVELOPMENT OF THE EAST AND WEST COAST SEA BREEZE BOUNDARYS TO WARRANT KEEPING POPS IN THE CHANCE CATEGORY ON TUESDAY...WITH A SUBTLE DECREASE IN POPS FOR WEDNESDAY AND THURSDAY. WITH THE EAST AND WEST COAST BOUNDARIES WORKING THERE WAY INLAND WILL WORD FOR HIGHEST POPS INTERIOR ZONES NEXT FEW AFTERNOONS. GUIDANCE TEMPS FAIRLY CLOSE...SO A BLEND WILL BE USED. EXTENDED...THURSDAY THROUGH SATURDAY...SURFACE HIGH WILL DRIFT SLOWLY NORTH WHICH WILL FAVOR A SOUTHEASTERLY FLOW REGIME WITH AFTERNOON INTERIOR CONVECTION WORKING ITS WAY BACK TOWARD THE WEST COAST DURING THE LATE AFTERNOON AND EVENING HOURS...SO PLAN TO KEEP SCATTERED AFTERNOON AND EVENING POP WORDING GOING THROUGHOUT THE PERIOD. MARINE...EAST TO SOUTHEAST WIND FLOW WILL CONTINUE WITH AFTERNOON SEA BREEZE COMPONENT DEVELOPING NEAR SHORE DURING THE AFTERNOON HOURS THE NEXT FEW DAYS. NO HIGHLIGHTS EXPECTED. PRELIMINARY NUMBERS TPA BB 073/090 074/091 075 573433 FMY BB 073/092 074/093 074 574433 .TBW..NONE. MCMICHAEL
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 4:23 PM EDT | Severe Thunderstorm Warning | TBW | Sarasota | 37 min |
| Jun 12, 5:24 PM EDT | Severe Thunderstorm Warning | TBW | Sumter | 36 min |
| Jun 12, 5:37 PM EDT | Severe Thunderstorm Warning | TBW | Pasco | 23 min |
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.