Alert archive / Florida / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 18, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Mar 29, 2001, 4:54 PM EST for Martin County, Florida. It was in force for 66 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 29, 2001, 4:54 PM EST (21:54 UTC)
- Expired
- Mar 29, 2001, 6:00 PM EST
- In force
- 66 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Martin County, FL
The radar
The Melbourne radar (KMLB), 117 km from the middle of the area, began a volume at 21:55 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 29, 5:55 PM EST | Thunderstorm Wind 50 E | Stuart, FL | Thunderstorm winds blew down power lines in the Stuart 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 29, 3:15 PM EST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Miami, FL (KMFL), launched 12:00Z, 9.9 hours before the alert went out and 141 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
- 686 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 800 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 167 m²/s²
- 0-3 km storm-relative helicity
- 268 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 6.1
The text
As transmitted, in the capitals the NWS used until 2016.
907 WUUS52 KMLB 292159 SVRMLB FLC085-292300- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 454 PM EST THU MAR 29 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MARTIN COUNTY IN EAST CENTRAL FLORIDA * UNTIL 600 PM EST. * AT 455 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS DEVELOPING INTO MARTIN COUNTY FROM THE SOUTHWEST. STRONG TO SEVERE STORMS WERE OVER THE EAST HALF OF LAKE OKEECHOBEE AND WILL MOVE ONSHORE. OTHERS WILL MOVE INTO THE NORTH PART OF THE COUNTY FROM SAINT LUCIE COUNTY. * OTHER LOCATIONS IN THE WARNING INCLUDE PORT SALERNO...PALM CITY AND NORTH RIVER SHORES...PORT MAYACA AND INDIAN TOWN. 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. LARGE HAIL THE SIZE OF QUARTERS...EXCESSIVE LIGHTNING AND DAMAGING WINDS ARE LIKELY. TAKE COVER IN A STURDY BUILDING UNTIL THE STORM PASSES. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EST THURSDAY EVENING FOR FLORIDA. $$ DWS
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 10:38 AM EST | Severe Thunderstorm Warning | MLB | Lake | 67 min |
| Mar 29, 11:01 AM EST | Severe Thunderstorm Warning | MLB | Orange | 59 min |
| Mar 29, 11:17 AM EST | Severe Thunderstorm Warning | MLB | Osceola | 58 min |
| Mar 29, 11:43 AM EST | Severe Thunderstorm Warning | MLB | Seminole | 62 min |
| Mar 29, 11:53 AM EST | Severe Thunderstorm Warning | MLB | Orange | 67 min |
| Mar 29, 12:12 PM EST | Severe Thunderstorm Warning | MLB | Volusia | 63 min |
| Mar 29, 12:15 PM EST | Severe Thunderstorm Warning | MLB | Osceola | 45 min |
| Mar 29, 12:34 PM EST | Severe Thunderstorm Warning | MLB | Brevard | 56 min |
| Mar 29, 1:05 PM EST | Severe Thunderstorm Warning | MLB | Osceola | 55 min |
| Mar 29, 1:22 PM EST | Severe Thunderstorm Warning | MLB | Brevard | 53 min |
| Mar 29, 2:33 PM EST | Severe Thunderstorm Warning | MLB | Okeechobee | 27 min |
| Mar 29, 2:40 PM EST | Severe Thunderstorm Warning | MLB | Indian River | 65 min |
| Mar 29, 3:45 PM EST | Severe Thunderstorm Warning | MLB | Indian River, Saint Lucie | 45 min |
| Mar 29, 4:30 PM EST | Severe Thunderstorm Warning | MLB | Saint Lucie | 45 min |
| Mar 29, 5:20 PM EST | Severe Thunderstorm Warning | MLB | Saint Lucie | 25 min |
| Mar 29, 6:00 PM EST | Severe Thunderstorm Warning | MLB | Martin | 60 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.