Alert archive / Florida / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 32, NWS Miami, FL

June 19, 1996Miami-Dade County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Jun 19, 1996, 7:11 PM EDT for Miami-Dade County, Florida. It was in force for 64 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 19, 1996, 7:11 PM EDT (23:11 UTC)
Expired
Jun 19, 1996, 8:15 PM EDT
In force
64 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 23:12 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.

What was reported inside it

TimeReportWhereRemark
Jun 19, 7:51 PM EDTThunderstorm Wind 53Miami Intl, FL

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 11.2 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 1996-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1017 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 1996-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 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
1017 J/kg
Mixed-layer CIN
-76 J/kg
Mixed-layer LCL
938 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
5 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 192318 COR
SVRMIA
FLC025-200015-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
711 PM EDT WED JUN 19 1996

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  815 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION......

IN SOUTHEAST FLORIDA

   ...EASTERN DADE COUNTY

AND THE ADJACENT COASTAL WATERS INCLUDING BISCAYNE BAY

DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED OVER DADE
COUNTY FROM NEAR SWEETWATER TO PERRINE. THE STORM IS MOVING
SLOWLY TOWARDS THE SOUTHEAST AND WILL AFFECT AREAS OF SOUTHEASTERN
DADE COUNTY THROUGH 815 PM.

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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Jun 19, 4:40 PM EDT, 2 hours 31 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED HEADER TIME
NATIONAL WEATHER SERVICE MIAMI, FL
439 PM EDT WED JUN 19 1996

TIME(EST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0130 PM    OKEELANTA                 FL   1.5 INCH HAIL
06/19/96   PALM BEACH                     REPORTED BY PALM BEACH
                                          SHERIFFS OFFICE.  NO
                                          DAMAGE REPORTS WERE
                                          RECEIVED.

0215 PM    PALM BEACH GARDENS        FL   .5 INCH HAIL
06/19/96   PALM BEACH                     REPORTED AT PGA BLVD AND
                                          A1A BY WEST PALRM BEACH
                                          NEWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 2:06 PM EDTSevere Thunderstorm WarningMFLPalm Beach69 min
Jun 19, 6:43 PM EDTSevere Thunderstorm WarningMFLMiami-Dade62 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.