Alert archive / Florida / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 88, NWS Miami, FL

August 2, 1999Glades County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Aug 2, 1999, 6:39 PM EDT for Glades County, Florida. It was in force for 46 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 2, 1999, 6:39 PM EDT (22:39 UTC)
Expired: Aug 2, 1999, 7:25 PM EDT
In force: 46 min
Issued by: NWS Miami, FL
Area: Whole counties

County Glades County, FL

The radar

The Melbourne radar (KMLB), 139 km from the middle of the area, began a volume at 22:42 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, 10.7 hours before the alert went out and 155 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 893 J/kg
Mixed-layer CIN: -132 J/kg
Mixed-layer LCL: 1239 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: -36 m²/s²
0-3 km storm-relative helicity: 18 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.4

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, Aug 2, 4:01 PM EDT, 2 hours 38 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE MIAMI, FL
401 PM EDT MON AUG 02 1999

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

0250 PM    LAUDERDALE LAKES          FL   52 MPH TSTM GUST
08/02/99   BROWARD                        WIND ESTIMATED BY SPOTTER

0250 PM    LAUDERDALE LAKES          FL   .5 INCH HAIL
08/02/99   BROWARD                        SPOTTER REPORTED

0250 PM    PLANTATION                FL
08/02/99   BROWARD                        *** 1 INJ ***
                                          28 YEAR OLD MALE STRUCK BY
                                          LIGHTNING NEAR I-595 AND
                                          UNIVERSITY DR. SUSTAINED
                                          SECOND-DEGREE BURNS ON
                                          UPPER PART OF BODY
0255 PM    LAUDERDALE LAKES          FL   1 INCH HAIL
08/02/99   BROWARD                        PUBLIC REPORT

0255 PM    PLANTATION                FL   .75 INCH HAIL
08/02/99   BROWARD                        REPORT FROM CHANNEL 7 NEWS

0255 PM    LAUDERDALE BY THE SEA     FL   50 MPH TSTM GUST
08/02/99   BROWARD                        ESTIMATED BY PUBLIC

Local storm report, Aug 2, 5:33 PM EDT, 1 hour 6 minutes before

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Local storm report, Aug 2, 6:14 PM EDT, 25 minutes before

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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 2, 2:27 PM EDT	Severe Thunderstorm Warning	MFL	Broward	33 min
Aug 2, 4:31 PM EDT	Severe Thunderstorm Warning	MFL	Miami-Dade	49 min

Nearby

Severe Thunderstorm Warnings in Florida, 1999 Every severe thunderstorm warning in 1999

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.