Alert archive / Florida / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 76, NWS Miami, FL

October 8, 1996Collier County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Oct 8, 1996, 6:24 AM EDT for Collier County, Florida. It was in force for 66 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
Oct 8, 1996, 6:24 AM EDT (10:24 UTC)
Expired
Oct 8, 1996, 7:30 AM EDT
In force
66 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 10:26 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 00:00Z, 10.4 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 00:00Z on 1996-10-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2206 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 00:00Z on 1996-10-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 square meters per square second.19395878Sfc1 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
2206 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
725 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
153 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMIA 081027 RRA
SVRMIA
FLC021-081130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MIAMI FL
624 AM EDT TUE OCT 8 1996
 
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
EFFECTIVE UNTIL  730 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN SOUTHWEST FLORIDA
 
   ...WESTERN COLLIER COUNTY
 
AND THE ADJACENT COASTAL WATERS
 
NATIONAL WEATHER SERVICE RADAR INDICATES A LINE OF SEVERE
THUNDERSTORMS IS APPROACHING THE COLLIER COUNTY COAST THIS
MORNING...MOVING OFF THE WATER. DAMAGING WINDS ARE EXPECTED.
 
THESE THUNDERSTORMS ARE MOVING TOWARD THE NORTHEAST AT 50 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.
 
THUNDERSTORMS THREATEN BOATER SAFETY WITH GUSTY WINDS IN EXCESS OF
35 KNOTS...ROUGH SEAS AND DEADLY LIGHTNING.  YOUR BEST COURSE OF
ACTION IS TO SEEK SAFE HARBOR...BUT IF YOU ARE CAUGHT ON THE OPEN
WATER...STAY BELOW DECK OR KEEP A LOW PROFILE AND KEEP AWAY FROM
UNGROUNDED METAL OBJECTS. WEAR FLOTATION DEVICES.
 
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
Oct 8, 8:44 AM EDTSevere Thunderstorm WarningMFLCollier61 min
Oct 8, 9:45 AM EDTSevere Thunderstorm WarningMFLCollier, Hendry, Palm Beach60 min
Oct 8, 11:39 AM EDTSevere Thunderstorm WarningMFLMiami-Dade, Monroe66 min
Oct 8, 11:39 AM EDTSevere Thunderstorm WarningMFLBroward66 min
Oct 8, 11:50 AM EDTSevere Thunderstorm WarningMFLBroward, Miami-Dade55 min
Oct 8, 11:50 AM EDTSevere Thunderstorm WarningMFLMonroe55 min
Oct 8, 12:48 PM EDTSevere Thunderstorm WarningMFLBroward, Miami-Dade57 min
Oct 8, 2:34 PM EDTSevere Thunderstorm WarningMFLMiami-Dade41 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.