Alert archive / Florida / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 93, NWS Melbourne, FL

July 29, 2003Brevard County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Jul 29, 2003, 6:43 PM EDT for Brevard County, Florida. It was in force for 62 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: Jul 29, 2003, 6:43 PM EDT (22:43 UTC)
Expired: Jul 29, 2003, 7:45 PM EDT
In force: 62 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), 32 km from the middle of the area, began a volume at 22:44 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, 10.7 hours before the alert went out and 73 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: 2841 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 513 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 39 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.

561 
WUUS52 KMLB 292243
SVRMLB
FLC009-292345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
641 PM EDT TUE JUL 29 2003

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

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

* UNTIL 745 PM EDT

* AT 639 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A LARGE CLUSTER OF SEVERE THUNDERSTORM 12 MILES SOUTH OF PALM
  BAY...MOVING NORTH AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  NEAR PALM BAY...MALABAR AT 735 PM EDT

PERSONS LIVING ON BABCOCK STREET EXTENSION...ESPECIALLY THOSE IN THE 
DEER RUN SUBDIVISION...SHOULD PREPARE FOR THE ONSET OF DAMAGING 
WINDS AND LARGE HAIL. RADAR INDICATES THAT THESE STORMS CONTAIN WIND
GUSTS UP TO 60 MPH.

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.

LAT...LON 2772 8073 2774 8053 2800 8056 2797 8080

$$

CRISTALDI

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 29, 4:20 PM EDT	Severe Thunderstorm Warning	MLB	Martin	55 min
Jul 29, 6:14 PM EDT	Severe Thunderstorm Warning	MLB	Indian River	46 min
Jul 29, 6:46 PM EDT	Severe Thunderstorm Warning	MLB	Orange	59 min
Jul 29, 6:59 PM EDT	Severe Thunderstorm Warning	MLB	Seminole	61 min
Jul 29, 7:46 PM EDT	Severe Thunderstorm Warning	MLB	Brevard	44 min
Jul 29, 7:50 PM EDT	Severe Thunderstorm Warning	MLB	Volusia	55 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.