Alert archive / Florida / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 38, NWS Miami, FL

June 25, 1996Collier County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Jun 25, 1996, 4:14 PM EDT for Collier County, Florida. It was in force for 61 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, 4:14 PM EDT (20:14 UTC)
Expired
Jun 25, 1996, 5:15 PM EDT
In force
61 min
Issued by
NWS Miami, FL
Area
Whole counties

County Collier County, FL

The radar

The Miami radar (KAMX), 111 km from the middle of the area, began a volume at 20:18 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, 8.2 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 252014
SVRMIA
FLC021-252115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
414 PM EDT TUE JUN 25 1996
 
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  515 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN SOUTHWEST FLORIDA
 
   ...NORTHERN COLLIER COUNTY
 
 
AT 410 PM RADAR INDICATES THAT A SEVERE THUNDERSTORM IS 5 MILES
NORTHWEST OF IMMOKALEE. THIS STORM IS DRIFTING SLOWLY TO THE
EAST SOUTHEAST. LARGE HAIL AND STRONG GUSTY WINDS CAN BE EXPECTED
WITH THIS STORM.
 
 
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, 7:25 PM EDTSevere Thunderstorm WarningMFLCollier, Hendry65 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.