Alert archive / Florida / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 21, NWS Melbourne, FL

May 14, 2000Volusia County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at May 14, 2000, 7:52 PM EDT for Volusia County, Florida. It was in force for 53 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
May 14, 2000, 7:52 PM EDT (23:52 UTC)
Expired
May 14, 2000, 8:45 PM EDT
In force
53 min
Issued by
NWS Melbourne, FL
Area
Whole counties

County Volusia County, FL

What was reported inside it

TimeReportWhereRemark
May 14, 8:20 PM EDTThunderstorm Wind 50 EOrmond Beach, FLSevere thunderstorm winds blew down large tree limbs in Ormond Beach.
May 14, 8:20 PM EDTThunderstorm Wind 50 EHolly Hill, FLSevere thunderstorm winds blew down large tree limbs in Holly Hills.

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, 11.9 hours before the alert went out and 91 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, Cape Canaveral, FL at 12:00Z on 2000-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1439 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, Cape Canaveral, FL at 12:00Z on 2000-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
1439 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
697 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
1 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.

577 
WUUS52 KMLB 142354
SVRMLB
FLC127-150045-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
752 PM EDT SUN MAY 14 2000

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN VOLUSIA COUNTY
  ...IN EAST CENTRAL FLORIDA

* UNTIL 845 PM EDT.

* AT 751 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 9 MILES WEST OF ORMOND BEACH...MOVING SOUTHEAST
  AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  NEAR ORMOND BEACH AT 805 PM EDT
  NEAR DAYTONA BEACH INTL SPEEDWAY...HOLLY HILL AT 810 PM EDT
  NEAR DAYTONA BEACH AT 815 PM EDT
  NEAR SOUTH DAYTONA...PORT ORANGE AT 820 PM EDT
  NEAR WILBUR BY THE SEA AT 830 PM EDT
  NEAR PONCE INLET AT 835 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.

LARGE HAIL...EXCESSIVE LIGHTNING AND DAMAGING WINDS ARE LIKELY. TAKE
COVER IN A STURDY BUILDING UNTIL THE STORM PASSES.

$$

LAT...LON 2929 8138 2910 8126 2901 8077 2941 8112

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 4:03 PM EDTSevere Thunderstorm WarningMLBOrange57 min

Nearby

Severe Thunderstorm Warnings in Florida, 2000Every severe thunderstorm warning in 2000

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.