Alert archive / Florida / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 39, NWS Miami, FL

June 25, 1996Collier County, Hendry County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Jun 25, 1996, 7:25 PM EDT for Collier County, Hendry County, Florida. It was in force for 65 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 25, 1996, 7:25 PM EDT (23:25 UTC)
Expired
Jun 25, 1996, 8:30 PM EDT
In force
65 min
Issued by
NWS Miami, FL
Area
Whole counties

Counties Collier County, FL, Hendry County, FL

The radar

The Miami radar (KAMX), 117 km from the middle of the area, began a volume at 23:25 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

Miami, FL (KMFL), launched 12:00Z, 11.4 hours before the alert went out and 113 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 1996-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2124 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 1996-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
2124 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
710 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
37 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 252330 COR
SVRMIA
FLC051-021-260030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
725 PM EDT TUE JUN 25 1996

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  830 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...S...

IN SOUTH FLORIDA

   ...SOUTHWESTERN HENDRY COUNTY

IN SOUTHWEST FLORIDA

   ...NORTHERN COLLIER COUNTY

NATIONAL WEATHER SERVICE RADAR HAS DETECTED A SEVERE THUNDERSTORM JUST
SOUTH OF LA BELLE IN SOUTHWEST HENDRY COUNTY. THE STORM WAS MOVING TO
THE SOUTH AT 15 MPH. THE TOWN OF FELDA IN HENDRY
COUNTY CAN EXPECT THIS STORM TO BE IN THE AREA WITHIN THE NEXT 15 TO 20
MINUTES. IMMOKALEE IN NORTHERN COLLIER COUNTY CAN EXPECTED THE STORM
WITHIN 30 TO 40 MINUTES.

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.

IF THREATENING WEATHER IS SIGHTED...TAKE SHELTER...THEN REPORT THE
SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 4:14 PM EDTSevere Thunderstorm WarningMFLCollier61 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; radar from the NEXRAD Level II archive.