Alert archive / Florida / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 26, NWS Melbourne, FL

May 15, 2000Seminole County, Volusia County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at May 15, 2000, 3:59 PM EDT for Seminole County, Volusia County, Florida. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 15, 2000, 3:59 PM EDT (19:59 UTC)
Expired
May 15, 2000, 4:45 PM EDT
In force
46 min
Issued by
NWS Melbourne, FL
Area
Whole counties

Counties Seminole County, FL, Volusia County, FL

The radar

The Melbourne radar (KMLB), 101 km from the middle of the area, began a volume at 19:59 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.

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 8.0 hours before the alert went out and 82 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 2000-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1908 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cape Canaveral, FL at 12:00Z on 2000-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
1908 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
1036 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
13 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 152000
SVRMLB
FLC117-127-152045-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
359 PM EDT MON MAY 15 2000

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN SEMINOLE COUNTY
  SOUTHEASTERN VOLUSIA COUNTY
  ...IN EAST CENTRAL FLORIDA

* UNTIL 445 PM EDT.

* AT 354 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 3 MILES SOUTHEAST OF OSTEEN...MOVING EAST AT 10
  MPH...MOVING INTO THE LAKE HARNEY AREA.

* THE SEVERE THUNDERSTORM WILL BE...
  NEAR MAYTOWN AT 435 PM EDT
  7 MILES WEST OF OAK HILL...8 MILES SOUTH OF EDGEWATER...8 MILES
  SOUTHWEST OF ELDORA...9 MILES SOUTHWEST OF APOLLO BEACH AT 445 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...MOVZE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR.

$$

DS

LAT...LON 2891 8123 2873 8119 2862 8119 2861 8097
          2879 8097 2879 8080 2900 8084

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 12:47 PM EDTSevere Thunderstorm WarningMLBOrange58 min
May 15, 12:59 PM EDTSevere Thunderstorm WarningMLBBrevard61 min
May 15, 2:03 PM EDTSevere Thunderstorm WarningMLBBrevard42 min
May 15, 3:03 PM EDTSevere Thunderstorm WarningMLBMartin42 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.