Alert archive / Florida / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 84, NWS Miami, FL

October 8, 1996Miami-Dade County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Oct 8, 1996, 2:34 PM EDT for Miami-Dade County, Florida. It was in force for 41 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, 2:34 PM EDT (18:34 UTC)
Expired
Oct 8, 1996, 3:15 PM EDT
In force
41 min
Issued by
NWS Miami, FL
Area
Whole counties

County Miami-Dade County, FL

The radar

The Miami radar (KAMX), 9 km from the middle of the area, began a volume at 18:36 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, 6.6 hours before the alert went out and 31 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 1996-10-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1614 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 1996-10-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 218 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
1614 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
692 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
218 m²/s²
0-3 km storm-relative helicity
228 m²/s²
Significant tornado parameter
1.0
Supercell composite
8.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMIA 081840
SVRMIA
FLC025-081915-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
234 PM EDT TUE OCT 8 1996
 
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  315 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN SOUTHEAST FLORIDA
 
   ...EASTERN DADE COUNTY
 
AND THE ADJACENT COASTAL WATERS INCLUDING BISCAYNE BAY
 
AT 233 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM OVER EASTERN DADE COUNTY IN THE VICINITY OF DOWNTOWN MIAMI.
THIS STORM WILL CONTINUE TO MOVE NORTHEAST AT 40 MPH AND WILL CROSS
BISCAYNE BAY AND MIAMI BEACH BEFORE 300 PM.
 
DAMAGING WIND IN EXCESS OF 55 MPH...VERY HEAVY RAIN...AND
DEADLY LIGHTNING ARE ALL POSSIBLE WITH THIS STORM. 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
Oct 8, 6:24 AM EDTSevere Thunderstorm WarningMFLCollier66 min
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

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.