Alert archive / Florida / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 53, NWS Melbourne, FL

June 30, 1995Orange County, Seminole County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Jun 30, 1995, 6:03 PM EDT for Orange County, Seminole County, Florida. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Jun 30, 1995, 6:03 PM EDT (22:03 UTC)
Expired
Jun 30, 1995, 6:45 PM EDT
In force
42 min
Issued by
NWS Melbourne, FL
Area
Whole counties

Counties Orange County, FL, Seminole County, FL

The radar

The Melbourne radar (KMLB), 83 km from the middle of the area, began a volume at 22:03 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 12:00Z, 10.1 hours before the alert went out and 150 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, Tampa Bay, FL at 12:00Z on 1995-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1537 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, Tampa Bay, FL at 12:00Z on 1995-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.1939Sfc1 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
1537 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
729 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
17 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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Jun 30, 3:11 PM EDT, 2 hours 52 minutes earlier.

Area forecast discussion, Jun 30, 3:11 PM EDT, 2 hours 52 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MELBOURNE FL
234 PM EDT FRI JUN 30 1995

CONVECTIVE COVERAGE INCREASING OVER AND JUST WEST OF WESTERN ZONES AND
SPREADING EAST AT THIS TIME. TRW SHOULD EFFECT MUCH OF INLAND AREAS
REMAINDER OF AFTERNOON...AND REACH EAST COAST THIS EVENING. COLLISION
BETWEEN THIS CONVECTION AND EAST COAST BREEZE LIKELY TO RESULT IN A
FEW STRONG STORMS. WILL CONTINUE WITH FORECAST OF SCATTERED EVENING
STORMS INLAND AND GOOD CHANCE EAST COAST THROUGH MIDNIGHT.

AXIS OF DEEP MOISTURE HAS FOUND A HOME ACROSS CENTRAL PENINSULA AND
SHOULD REMAIN ANCHORED HERE THROUGHOUT FORECAST PERIOD. WEAK SHORT
WAVE PROGGED TO REACH ATLANTIC THIS EVENING. THIS TROUGH...COMBINED
WITH MESO BOUNDARIES...SHOULD PROVIDE ENOUGH LIFT FOR GOOD COVERAGE
TRW INTERIOR EARLY...SPREADING TO COAST DURING THE EVENING. SYNOPTIC
SCALE WESTERLY FLOW MAY BE STRONG ENOUGH TO INHIBIT OR AT LEAST
RESTRICT EAST COAST SEA BREEZE TO IMMEDIATE COAST SATURDAY...AND
LIKELY INHIBIT SUNDAY. NGM/ETA MOVE UNSEASONABLY DEEP MID LEVEL
TROUGH/PVA LOBE ACROSS NORTHERN/CENTRAL PENINSULA LATE SATURDAY/EARLY
SUNDAY. SW 850 JET PROGGED TO INCREASE TO 20 TO 25 KNOTS OVER AREA BY
SATURDAY AFTERNOON AND SHOULD FURTHER ENHANCE LOW LEVEL CONVERGENCE.
AVN IS WEAKER AND SLOWER WITH MID LEVEL FEATURE. WILL USE GOOD
CHANCE/LIKELY POPS ALL AREAS DURING SAT/SUN AND SCATTERED POPS AT
NIGHT. ALTHOUGH BULK OF EVENING ACTIVITY EXPECTED TO OCCUR EARLY IN
THE PERIOD...CAN NOT RULE OUT SOME TRW OVERNIGHT SAT AND SUN MORNING
WITH APPROACH OF STRONG TROUGH. FEW STRONG/SEVERE STORMS POSSIBLE SAT
NEAR BOUNDARY COLLISIONS BUT WILL NOT MENTION UNTIL EFFECTS AND TIMING
OF TROUGH BECOME MORE CERTAIN. WILL FOLLOW PERS<ISTENCE ON TEMPS.
TBW...APPRECIATE YOUR VIVID INSIGHT TO THE FORECAST.

@1...VOLUSIA BREVARD INDIAN RIVER ST LUCIE MARTIN
@2...LAKE SEMINOLE ORANGE OSCEOLA OKEECHOBEE

MCO 73/91/73/91 4645
DAB 71/92/72/91 5535
MLB 73/91/73/90 5535

SPRATT

Nearby

Severe Thunderstorm Warnings in Florida, 1995Every severe thunderstorm warning in 1995

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.