Alert archive / Florida / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 45, NWS Miami, FL

June 27, 1996Palm Beach County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Jun 27, 1996, 2:32 PM EDT for Palm Beach County, Florida. It was in force for 58 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
Jun 27, 1996, 2:32 PM EDT (18:32 UTC)
Expired
Jun 27, 1996, 3:30 PM EDT
In force
58 min
Issued by
NWS Miami, FL
Area
Whole counties

County Palm Beach County, FL

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 6.5 hours before the alert went out and 93 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, Miami, FL at 12:00Z on 1996-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 701 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, Miami, FL at 12:00Z on 1996-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 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
701 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
950 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
22 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 KMIA 271833
SVRMIA
FLC099-271930-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
232 PM EDT THU JUN 27 1996
 
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  330 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN SOUTHEAST FLORIDA
 
   ...SOUTHEASTERN PALM BEACH COUNTY
 
 
AT 225 PM RADAR INDICATED A SEVERE THUNDERSTORM OVER PALM BEACH COUNTY
FROM LAKE WORTH TO BOCA RATON. THIS STORM WAS MOVING EAST AT 10 MPH.
 
DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN A SEVERE THUNDERSTORM. SEEK
SHELTER IN A STRONG BUILDING. STAY AWAY FROM WINDOWS. DO NOT USE
TELEPHONES OR ELECTRICAL APPLIANCES.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 1:08 PM EDTSevere Thunderstorm WarningMFLMiami-Dade67 min
Jun 27, 1:20 PM EDTSevere Thunderstorm WarningMFLBroward55 min
Jun 27, 1:34 PM EDTSevere Thunderstorm WarningMFLCollier, Hendry56 min
Jun 27, 2:12 PM EDTSevere Thunderstorm WarningMFLBroward63 min

Nearby

Severe Thunderstorm Warnings in Florida, 1996Every 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.