Alert archive / Florida / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 70, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Sep 4, 2000, 5:20 PM EDT for Orange County, Osceola County, Florida. It was in force for 60 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
- Sep 4, 2000, 5:20 PM EDT (21:20 UTC)
- Expired
- Sep 4, 2000, 6:20 PM EDT
- In force
- 60 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
Counties Orange County, FL, Osceola County, FL
The radar
The Melbourne radar (KMLB), 60 km from the middle of the area, began a volume at 21:22 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 |
|---|---|---|---|
| Sep 4, 5:50 PM EDT | Hail 1.75 | Windermere, FL |
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
Cape Canaveral, FL (KXMR), launched 12:00Z, 9.3 hours before the alert went out and 75 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
- 1671 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 887 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 3 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 042124 SVRMLB FLC095-097-042220- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 520 PM EDT MON SEP 4 2000 THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WESTERN ORANGE COUNTY NORTHWESTERN OSCEOLA COUNTY ...IN EAST CENTRAL FLORIDA * UNTIL 620 PM EDT. * AT 520 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN INTENSIFYING CLUSTER OF THUNDERSTORMS FROM POLK CITY TO NEAR THE DISNEY COMPLEX. * ADDITIONAL STORMS ARE EXPECTED TO DEVELOP FROM THE ATTRACTIONS AREA TO WINTER GARDEN AND DOWNTOWN ORLANDO...AS WELL AS THE KISSIMMEE SAINT CLOUD AREA...THROUGH 615 PM. * THESE STORMS PRODUCED A FUNNEL CLOUD IN AUBURNDALE IN POLK COUNTY. 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 2846 8166 2827 8165 2825 8117 2865 8145
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 6:22 PM EDT | Severe Thunderstorm Warning | MLB | Lake, Orange, Volusia | 58 min |
| Sep 4, 6:26 PM EDT | Severe Thunderstorm Warning | MLB | Lake | 64 min |
| Sep 4, 7:05 PM EDT | Severe Thunderstorm Warning | MLB | Volusia | 40 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.