Alert archive / Florida / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 50, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Jul 20, 2000, 7:08 PM EDT for Lake County, Florida. It was in force for 67 min. 4 reports 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
- Jul 20, 2000, 7:08 PM EDT (23:08 UTC)
- Expired
- Jul 20, 2000, 8:15 PM EDT
- In force
- 67 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Lake County, FL
The radar
The Melbourne radar (KMLB), 126 km from the middle of the area, began a volume at 23:09 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 20, 7:25 PM EDT | Thunderstorm Wind 60 E | Leesburg, FL | Strong downburst winds swept through the Leesburg area, blowing down trees and power lines. Two airplanes were flipped over at the Leesburg Airport. Three mobile homes were damaged, one seriously. Roofs were damaged at two restaurants and one business. |
| Jul 20, 7:28 PM EDT | Thunderstorm Wind 50 E | Lady Lake, FL | Thunderstorm winds blew down trees and damaged roofs of homes in the Villages area in Lady Lake. |
| Jul 20, 7:30 PM EDT | Hail 0.75 | Leesburg, FL | |
| Jul 20, 7:40 PM EDT | Thunderstorm Wind 60 E | Tavares, FL | Strong downburst winds blew down trees and damaged a river cruise boat near Tavares. |
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, 11.1 hours before the alert went out and 136 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
- 3636 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 608 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KMLB 202311 SVRMLB FLC069-210015- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 708 PM EDT THU JUL 20 2000 THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL AND NORTHERN LAKE COUNTY ...IN EAST CENTRAL FLORIDA * UNTIL 815 PM EDT * AT 709 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED NEW SEVERE THUNDERSTORMS WERE RAPIDLY REDEVELOPING OVER CENTRAL LAKE COUNTY JUST NORTH OF LEESBURG AND MOVING NORTHEAST AT 10 MPH. HAIL TO HALF DOLLAR SIZE AND WIND DAMAGE WAS REPORTED FROM THE EARLIER ROUND OF SEVERE WEATHER IN LAKE COUNTY AND SIMILAR CONDITIONS CAN BE EXPECTED WITH THESE THUNDERSTORMS AS THE MOVE ACROSS THE LEESBURG...LADY LAKE ...LISBON AND EUSTIS AREAS THROUGH 815 PM. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 58 MILES AN HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. IF THE STORM APPROACHES YOU...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR. $$ LAT...LON 2887 8194 2874 8186 2883 8148 2894 8163 54
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 5:41 PM EDT | Severe Thunderstorm Warning | MLB | Lake | 49 min |
| Jul 20, 6:28 PM EDT | Severe Thunderstorm Warning | MLB | Lake | 32 min |
| Jul 20, 6:39 PM EDT | Severe Thunderstorm Warning | MLB | Volusia | 51 min |
| Jul 20, 7:30 PM EDT | Tornado Warning | MLB | Lake | 30 min |
| Jul 20, 7:34 PM EDT | Severe Thunderstorm Warning | MLB | Osceola | 56 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; radar from the NEXRAD Level II archive.