Alert archive / Florida / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 11, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Mar 29, 2001, 12:34 PM EST for Brevard County, Florida. It was in force for 56 min. 2 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
- Mar 29, 2001, 12:34 PM EST (17:34 UTC)
- Expired
- Mar 29, 2001, 1:30 PM EST
- In force
- 56 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Brevard County, FL
The radar
The Melbourne radar (KMLB), 21 km from the middle of the area, began a volume at 17:34 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, 1:10 PM EST | Hail 0.75 | Cocoa, FL | |
| Mar 29, 1:35 PM EST | Thunderstorm Wind 50 E | Rockledge, FL | Thunderstorm winds blew down a few trees in Rockledge. |
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, 9:15 AM EST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Cape Canaveral, FL (KXMR), launched 12:00Z, 5.6 hours before the alert went out and 27 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
- 647 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 626 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 185 m²/s²
- 0-3 km storm-relative helicity
- 307 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 291735 SVRMLB FLC009-291830- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 1234 PM EST THU MAR 29 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN BREVARD COUNTY IN EAST CENTRAL FLORIDA * UNTIL 130 PM EST. * AT 1230 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM NORTH OF PORT ST. JOHN 10 MILES WEST OF COCOA...MOVING EAST AT 15 MPH. * SEVERE THUNDERSTORMS WILL BE... NEAR PORT ST. JOHN AT 1250 PM NEAR SHARPES AT 100 PM NEAR COCOA...AT 105 PM NEAR ROCKLEDGE AT 115 PM EST 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. 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. $$ LAT...LON 2887 8079 2831 8084 2819 8016 2887 8015 PB
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, 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, 4:54 PM EST | Severe Thunderstorm Warning | MLB | Martin | 66 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.