Alert archive / Florida / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 24, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Mar 31, 2001, 2:38 PM EST for Osceola County, Florida. It was in force for 52 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
- Mar 31, 2001, 2:38 PM EST (19:38 UTC)
- Expired
- Mar 31, 2001, 3:30 PM EST
- In force
- 52 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Osceola County, FL
The radar
The Melbourne radar (KMLB), 49 km from the middle of the area, began a volume at 19:41 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 |
|---|---|---|---|
| Mar 31, 3:25 PM EST | Hail 0.75 | Holopaw, 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, 7.6 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
- 1036 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 575 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
434 WUUS52 KMLB 311940 SVRMLB FLC097-312030- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 238 PM EST SAT MAR 31 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN OSCEOLA COUNTY IN EAST CENTRAL FLORIDA * UNTIL 330 PM EST. * AT 236 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 18 MILES WEST OF INTERCESSION CITY...OR ABOUT 8 MILES NORTH OF AUBURNDALE...MOVING EAST AT 35 MPH. THIS STORM PRODUCED LARGE HAIL NEAR POLK CITY. * THE SEVERE THUNDERSTORM WILL BE... NEAR CAMPBELL...INTERCESSION CITY...6 MILES NORTH OF POINCIANA PLACE AT 255 PM EST NEAR WEST LAKE TOHO...KISSIMMEE AT 300 PM EST NEAR BUENA VENTURA LAKES AT 305 PM EST NEAR EAST LAKE TOHO...SAINT CLOUD AT 310 PM EST NEAR NARCOOSSEE AT 315 PM EST THIS IS A DANGEROUS STORM. PREPARE FOR DAMAGING WINDS IN EXCESS OF 58 MILES AN HOUR...LARGE HAIL AND DEADLY...EXCESSIVE LIGHTNING. MOVE INDOORS TO A STURDY BUILDING AWAY FROM WINDOWS. VERY LARGE HAIL IS POSSIBLE WITH THIS SEVERE STORM. IF YOU ARE IN ITS PATH...PUT YOUR CAR IN A GARAGE AND MOVE TO A STURDY BUILDING AWAY FROM WINDOWS. $$ HAGEMEYER
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 2:17 PM EST | Severe Thunderstorm Warning | MLB | Seminole | 43 min |
| Mar 31, 2:59 PM EST | Severe Thunderstorm Warning | MLB | Brevard | 46 min |
| Mar 31, 3:27 PM EST | Severe Thunderstorm Warning | MLB | Osceola | 48 min |
| Mar 31, 3:41 PM EST | Severe Thunderstorm Warning | MLB | Brevard | 64 min |
| Mar 31, 3:44 PM EST | Severe Thunderstorm Warning | MLB | Lake | 46 min |
| Mar 31, 4:00 PM EST | Severe Thunderstorm Warning | MLB | Volusia | 60 min |
| Mar 31, 4:16 PM EST | Severe Thunderstorm Warning | MLB | Osceola | 59 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.