Alert archive / Florida / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 33, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at May 25, 2001, 5:54 PM EDT for Seminole County, Volusia County, Florida. It was in force for 66 min. 3 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
- May 25, 2001, 5:54 PM EDT (21:54 UTC)
- Expired
- May 25, 2001, 7:00 PM EDT
- In force
- 66 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
Counties Seminole County, FL, Volusia County, FL
The radar
The Melbourne radar (KMLB), 101 km from the middle of the area, began a volume at 21:54 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 |
|---|---|---|---|
| May 25, 5:58 PM EDT | Hail 1 | Sanford, FL | |
| May 25, 6:00 PM EDT | Thunderstorm Wind 50 E | Sanford, FL | Thunderstorm winds blew down numerous trees and damaged pool screens. |
| May 25, 6:35 PM EDT | Thunderstorm Wind 50 E | Deltona, FL | Thunderstorm winds blew down trees in the Deltona area. |
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, 9.9 hours before the alert went out and 82 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
- 582 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 716 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KMLB 252155 SVRMLB FLC117-127-252300- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 554 PM EDT FRI MAY 25 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL SEMINOLE COUNTY CENTRAL VOLUSIA COUNTY IN EAST CENTRAL FLORIDA * UNTIL 700 PM EDT. * AT 550 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER LAKE JESSUP...MOVING NORTH AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE... NEAR MIDWAY...SANFORD AT 600 PM EDT NEAR OSTEEN...LAKE MONROE AT 610 PM EDT NEAR DELTONA AT 625 PM EDT NEAR LAKE HELEN AT 645 PM EDT 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 2868 8133 2867 8112 2916 8105 2917 O8135 GITTINGER
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 2:15 PM EDT | Severe Thunderstorm Warning | MLB | Indian River, Saint Lucie | 60 min |
| May 25, 6:02 PM EDT | Severe Thunderstorm Warning | MLB | Orange | 58 min |
| May 25, 7:34 PM EDT | Severe Thunderstorm Warning | MLB | Osceola | 56 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2001Every severe thunderstorm warning in 2001
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.