Alert archive / Florida / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 50, NWS Melbourne, FL

June 9, 2001Brevard County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Jun 9, 2001, 9:09 PM EDT for Brevard County, Florida. It was in force for 36 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
Jun 9, 2001, 9:09 PM EDT (01:09 UTC)
Expired
Jun 9, 2001, 9:45 PM EDT
In force
36 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 01:12 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

TimeReportWhereRemark
Jun 9, 9:20 PM EDTThunderstorm Wind 60 ECocoa, FLThunderstorm winds blew down a few trees in the Cocoa and Rockledge 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

Tampa Bay, FL (KTBW), launched 00:00Z, 1.2 hours before the alert went out and 180 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.

Skew-T log-pSkew-T log-p diagram, Tampa Bay, FL at 00:00Z on 2001-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1235 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 00:00Z on 2001-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1235 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
978 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
17 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS52 KMLB 100110
SVRMLB
FLC009-100145-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
909 PM EDT SAT JUN 9 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BREVARD COUNTY
  IN EAST CENTRAL FLORIDA

* UNTIL 945 PM EDT.

* AT 906 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORM BECOMING SEVERE OVER ROCKLEDGE...MOVING SOUTHEAST AT
  20 MPH. RADAR INDICATES THE POTENTIAL FOR 60 MPH WIND GUSTS WITH 
  THIS STORM.

* THE SEVERE THUNDERSTORM WILL BE...
  NEAR MERRITT ISLAND AND COCOA BEACH AT 915 PM EDT
  PATRICK AIR FORCE BASE BY 920 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 2837 8087 2825 8073 2861 8024 2880 8046
,

The office that day

Everything else NWS Melbourne, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 10, 5:00 PM EDTSevere Thunderstorm WarningMLBBrevard60 min
Jun 10, 5:06 PM EDTSevere Thunderstorm WarningMLBOrange39 min
Jun 10, 5:34 PM EDTTornado WarningMLBBrevard26 min
Jun 10, 6:01 PM EDTSevere Thunderstorm WarningMLBBrevard59 min
Jun 10, 7:10 PM EDTSevere Thunderstorm WarningMLBIndian River, Saint Lucie65 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.