Alert archive / Florida / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 7, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Apr 4, 2002, 6:19 PM EST for Orange County, Seminole County, Florida. It was in force for 56 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
- Apr 4, 2002, 6:19 PM EST (23:19 UTC)
- Expired
- Apr 4, 2002, 7:15 PM EST
- In force
- 56 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
Counties Orange County, FL, Seminole County, FL
The radar
The Melbourne radar (KMLB), 83 km from the middle of the area, began a volume at 23:21 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 |
|---|---|---|---|
| Apr 4, 6:35 PM EST | Hail 0.75 | Oviedo, 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, 11.3 hours before the alert went out and 78 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
- 113 J/kg
- Mixed-layer CIN
- -178 J/kg
- Mixed-layer LCL
- 909 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 29 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 042319 SVRMLB FLC095-117-050015- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 617 PM EST THU APR 4 2002 THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ORANGE COUNTY SEMINOLE COUNTY IN EAST CENTRAL FLORIDA * UNTIL 715 PM EST. * AT 616 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER OVIEDO...MOVING SOUTHEAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE... NEAR BITHLO AT 635 PM EST NEAR CHRISTMAS AT 650 PM EST VERY LARGE HAIL IS POSSIBLE WITH THIS SEVERE STORM. DIME SIZE HAIL WAS REPORTED WITH THIS STORM AS IT MOVED THROUGH WINTER SPRINGS. IF YOU ARE IN ITS PATH...PUT YOUR CAR IN A GARAGE AND MOVE TO A STURDY BUILDING AWAY FROM WINDOWS. $$ LAT...LON 2875 8128 2859 8138 2836 8088 2858 8093 PB
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 4, 5:35 PM EST | Severe Thunderstorm Warning | MLB | Orange, Seminole | 40 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2002Every severe thunderstorm warning in 2002
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.