Alert archive / Florida / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 3, NWS Melbourne, FL

March 27, 2000Volusia County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Mar 27, 2000, 6:37 PM EST 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
Mar 27, 2000, 6:37 PM EST (23:37 UTC)
Expired
Mar 27, 2000, 7:30 PM EST
In force
53 min
Issued by
NWS Melbourne, FL
Area
Whole counties

County Volusia County, FL

The radar

The Melbourne radar (KMLB), 116 km from the middle of the area, began a volume at 23:41 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

TimeReportWhereRemark
Mar 27, 6:55 PM ESTThunderstorm Wind 50 EGlenwood, FLSevere thunderstorm winds blew down trees near Lake Dexter.
Mar 27, 6:58 PM ESTThunderstorm Wind 50 EPierson, FLSevere thunderstorm winds blew down trees on a house near Pierson.

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, 11.6 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 2000-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 376 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 2000-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 square meters per square second.193958Sfc1 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
376 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
1076 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
132 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.0

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KMLB 272337
SVRMLB
FLC127-280030-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
637 PM EST MON MAR 27 2000

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

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

* UNTIL 730 PM EST.

* AT 630 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 18 MILES WEST OF PIERSON...OR ABOUT 16 MILES   
NORTH OF EMERALDA...MOVING EAST AT 35 TO 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  NEAR PIERSON AT 655 PM EST
  NEAR BARBERVILLE AT 700 PM EST
  NEAR DE LEON SPRINGS AT 710 PM EST
  NEAR DAYTONA BEACH...DAYTONA BEACH INTL SPEEDWAY...HOLLY HILL...
  ORMOND BEACH AT 730 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.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 11:22 AM ESTSevere Thunderstorm WarningMLBOsceola53 min
Mar 27, 4:54 PM ESTSevere Thunderstorm WarningMLBBrevard36 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; radar from the NEXRAD Level II archive.