Alert archive / Florida / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 36, NWS Melbourne, FL

April 25, 2003Seminole County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Apr 25, 2003, 5:28 PM EDT for Seminole County, Florida. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 25, 2003, 5:28 PM EDT (21:28 UTC)
Expired: Apr 25, 2003, 6:00 PM EDT
In force: 32 min
Issued by: NWS Melbourne, FL
Area: Counties, with a storm outline in the text

County Seminole County, FL

The radar

The Melbourne radar (KMLB), 78 km from the middle of the area, began a volume at 21:31 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, 9.5 hours before the alert went out and 63 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1054 J/kg
Mixed-layer CIN: -112 J/kg
Mixed-layer LCL: 955 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: -6 m²/s²
0-3 km storm-relative helicity: 73 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

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

146 
WUUS52 KMLB 252129
SVRMLB
FLC009-252200-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
527 PM EDT FRI APR 25 2003

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

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

* UNTIL 600 PM EDT

* AT 525 PM EDT DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 
CONTINUED IN SOUTHERN BREVARD COUNTY NEAR MALABAR...THE PUBLIC 
REPORTED LARGE HAIL OVER MUCH OF PALM BAY AND MELBOURNE WITH THIS 
STORM. THE STORM WAS MOVING NORTHEAST TOWARD THE COAST AT 25 MPH.  

* THE SEVERE THUNDERSTORM WILL BE...
  6 MILES SOUTHEAST OF INDIALANTIC AT 535 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.

EXCESSIVE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID
USING TELEPHONES UNLESS IT IS AN EMERGENCY.

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 2800 8074 2784 8063 2808 8014 2828 8027

$$
BCH

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 25, 3:34 PM EDT	Severe Thunderstorm Warning	MLB	Lake, Orange, Volusia	41 min
Apr 25, 4:16 PM EDT	Severe Thunderstorm Warning	MLB	Volusia	44 min
Apr 25, 4:17 PM EDT	Special Marine Warning	MLB		118 min
Apr 25, 4:27 PM EDT	Severe Thunderstorm Warning	MLB	Orange, Seminole	63 min
Apr 25, 4:33 PM EDT	Severe Thunderstorm Warning	MLB	Brevard	57 min
Apr 25, 5:00 PM EDT	Severe Thunderstorm Warning	MLB	Volusia	45 min
Apr 25, 5:29 PM EDT	Severe Thunderstorm Warning	MLB	Brevard	31 min
Apr 25, 5:41 PM EDT	Severe Thunderstorm Warning	MLB	Orange	49 min
Apr 25, 6:00 PM EDT	Severe Thunderstorm Warning	MLB	Brevard	45 min
Apr 25, 6:18 PM EDT	Special Marine Warning	MLB		117 min
Apr 25, 6:42 PM EDT	Severe Thunderstorm Warning	MLB	Brevard	63 min

Nearby

Severe Thunderstorm Warnings in Florida, 2003 Every severe thunderstorm warning in 2003

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.