Alert archive / Florida / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 4, NWS Melbourne, FL

January 19, 2004Brevard County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Jan 19, 2004, 3:59 PM EST for Brevard County, Florida. It was in force for 31 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: Jan 19, 2004, 3:59 PM EST (20:59 UTC)
Expired: Jan 19, 2004, 4:30 PM EST
In force: 31 min
Issued by: NWS Melbourne, FL
Area: Counties, with a storm outline in the text

County Brevard County, FL

The radar

The Melbourne radar (KMLB), 11 km from the middle of the area, began a volume at 21:00 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, 9.0 hours before the alert went out and 53 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: 107 J/kg
Mixed-layer CIN: -500 J/kg
Mixed-layer LCL: 1412 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: -24 m²/s²
0-3 km storm-relative helicity: -86 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.

000 
WUUS52 KMLB 192059
SVRMLB
FLC009-192130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
400 PM EST MON JAN 19 2004

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

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

* UNTIL 430 PM EST

* AT 400 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM 9 MILES WEST OF PALM BAY MOVING EAST AT 40  
  MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  OVER PALM BAY AT 410 PM EST
  NEAR GRANT AT 415 PM EST
  MELBOURNE BEACH AT 420 PM EST  

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 58 MILES AN 
HOUR...BRIEF TORNADOES...DESTRUCTIVE HAIL...AND DEADLY LIGHTNING. IF 
THE STORM APPROACHES YOU...MOVE TO AN INTERIOR ROOM ON THE LOWEST 
FLOOR.

THESE STORMS HAVE A HISTORY OF PRODUCING LARGE HAIL. IF YOU ARE IN 
ITS PATH...PUT YOUR CAR IN A GARAGE AND MOVE TO A STURDY BUILDING 
AWAY FROM WINDOWS.

LAT...LON 2809 8090 2791 8090 2788 8034 2811 8034

$$

JP

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 19, 1:15 PM EST	Special Marine Warning	MLB		60 min
Jan 19, 1:15 PM EST	Special Marine Warning	MLB		60 min
Jan 19, 1:23 PM EST	Severe Thunderstorm Warning	MLB	Brevard	22 min
Jan 19, 2:45 PM EST	Special Marine Warning	MLB		60 min
Jan 19, 3:24 PM EST	Severe Thunderstorm Warning	MLB	Brevard, Indian River	36 min
Jan 19, 3:25 PM EST	Special Marine Warning	MLB		2 hr
Jan 19, 3:36 PM EST	Severe Thunderstorm Warning	MLB	Indian River, Osceola	39 min
Jan 19, 5:31 PM EST	Special Marine Warning	MLB		59 min

Nearby

Severe Thunderstorm Warnings in Florida, 2004 Every severe thunderstorm warning in 2004

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.