Alert archive / Florida / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 33, NWS Miami, FL

June 20, 1996Miami-Dade County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Jun 20, 1996, 4:42 PM EDT for Miami-Dade County, Florida. It was in force for 63 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 20, 1996, 4:42 PM EDT (20:42 UTC)
Expired
Jun 20, 1996, 5:45 PM EDT
In force
63 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 20:24 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, 8.7 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 1996-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1530 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 1996-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
1530 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
855 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 20, 11:11 AM EDT, 5 hours 31 minutes before
STORM REPORT...CORRECTED FOR EDT AND TIMES.
NATIONAL WEATHER SERVICE MIAMI, FL
1110 AM EDT THU JUN 20 1996

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

0230 PM    OKEELANTA                 FL   1.5 INCH HAIL
06/19/96   PALM BEACH                     REPORTED BY PALM BEACH
                                          SHERIFFS OFFICE.  NO
                                          DAMAGE REPORTS WERE
                                          RECEIVED.

0315 PM    PALM BEACH GARDENS        FL   .5 INCH HAIL
06/19/96   PALM BEACH                     REPORTED AT PGA BLVD AND
                                          A1A BY WEST PALM BEACH
   J                                       NEWS.

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.