Alert archive / Florida / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 57, NWS Miami, FL

August 17, 1996Collier County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Aug 17, 1996, 3:45 PM EDT for Collier County, Florida. It was in force for 75 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
Aug 17, 1996, 3:45 PM EDT (19:45 UTC)
Expired
Aug 17, 1996, 5:00 PM EDT
In force
75 min
Issued by
NWS Miami, FL
Area
Whole counties

County Collier County, FL

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 7.8 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 1996-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2303 joules per kilogram.LCLEL10008507005003002001001 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 1996-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -38 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
2303 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
801 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-38 m²/s²
0-3 km storm-relative helicity
-24 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 172006 COR
SVRMIA
FLC021-172045-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING CORRECTED TEXT FOR TIMES
NATIONAL WEATHER SERVICE MIAMI FL
345 PM EDT SAT AUG 17 1996

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  500 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION......

IN SOUTHWEST FLORIDA

   ...WESTERN COLLIER COUNTY

AND THE ADJACENT COASTAL WATERS OF THE GULF OF MEXICO

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES A THUNDERSTORM
CLUSTER WHICH WILL LIKELY BECOME SEVERE FROM 345 THROUGH 5 PM AS
IT MOVES WEST OVER COASTAL SECTIONS OF COLLIER COUNTY AND
OVER GULF OF MEXICO WATERS. THE STORM WILL MOVE OVER OR

CLOSE TO U.S. 41 FROM WEST OF OCHOPEE TO MARCO ISLAND.


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.

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.