Alert archive / Florida / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 60, NWS Melbourne, FL

May 30, 1996Brevard County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at May 30, 1996, 9:19 PM EDT for Brevard County, Florida. It was in force for 41 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 30, 1996, 9:19 PM EDT (01:19 UTC)
Expired: May 30, 1996, 10:00 PM EDT
In force: 41 min
Issued by: NWS Melbourne, FL
Area: Whole counties

County Brevard County, FL

The radar

The Melbourne radar (KMLB), 21 km from the middle of the area, began a volume at 01:19 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

Tampa Bay, FL (KTBW), launched 00:00Z, 1.3 hours before the alert went out and 180 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: 653 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 1259 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 38 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 
TTAA00 KMLB 310121
SVRMLB
FLC009-FLZ501-310200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
919 PM EDT THU MAY 30 1996
 
THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE
UNTIL 1000 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL FLORIDA
 
   ...EASTERN BREVARD COUNTY
 
  AND FOR MARINE INTERESTS ON THE COASTAL WATERS FROM...
 
   ...MOSQUITO LAGOON  TO  COCOA BEACH
 
AT 915 PM...MELBOURNE DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM NEAR
THE CAPE CANAVERAL SHUTTLE LAUNCH FACILITY. THE STORM IS MOVING
SOUTHEAST AT 15 MPH AND WILL CROSS THE BANANA RIVER AND WILL MOVE
OFFSHORE NEAR PORT CANAVERAL BY 1000 PM.
 
AS THESE THUNDERSTORMS CROSS THE INTRACOASTAL WATERS AND INTO THE
ATLANTIC...THEY WILL PRODUCE STRONG GUSTY WINDS, ROUGH SEAS, HEAVY
DOWNPOURS AND DANGEROUS LIGHTNING. TRY TO AVOID THESE STORMS IF
POSSIBLE. IF YOU GET CAUGHT...MAKE SURE ALL SAFETY GEAR IS AVAILABLE
AND THAT LIFE JACKETS ARE BEING WORN BY YOU AND YOUR CREW.
 
 
CRISTALDI

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Melbourne, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at May 30, 8:17 PM EDT, 1 hour 2 minutes earlier.

Area forecast discussion, May 30, 8:17 PM EDT, 1 hour 2 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MELBOURNE FL
816 PM EDT THU MAY 30 1996

CLUSTER OF STRONG STORMS CONTINUES TO PULSE ALONG AREA OF ENHANCED
CONVERGENCE WHERE WESTERLY ENVIRONMENTAL FLOW RUNS INTO COMBINATION
OF C-BREEZE AND DVLPG EASTERLY COMP FLOW BEHIND DEPARTING SFC LOW.
WITH LOSS OF DAYTIME HEATING AND ENVIRONMENTAL FLOW EXPTECED TO
CONTINUE TO COME AROUND TO NE/E STORMS SHOULD LOSE FAVORABLE CONVG
AND FIZZLE OUT. FLOW TO BE NE/E WHICH FAVORS DRIER WX AND NIL LATE
NITE/EARLY MORN RW UNTIL FLOW ACQUIRES SRLY COMP.

CRISTALDI

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 9:46 PM EDT	Severe Thunderstorm Warning	MLB	Lake	44 min

Nearby

Severe Thunderstorm Warnings in Florida, 1996 Every severe thunderstorm warning in 1996

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.