Alert archive / Florida / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 10, NWS Miami, FL

April 16, 1993Broward County, Miami-Dade County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Apr 16, 1993, 3:25 AM EDT for Broward County, Miami-Dade County, Florida. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Apr 16, 1993, 3:25 AM EDT (07:25 UTC)
Expired
Apr 16, 1993, 4:30 AM EDT
In force
65 min
Issued by
NWS Miami, FL
Area
Whole counties

Counties Broward County, FL, Miami-Dade County, FL

The nearest sounding before it

Key West, FL (KEYW), launched 00:00Z, 7.4 hours before the alert went out and 193 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, Key West, FL at 00:00Z on 1993-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1937 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, Key West, FL at 00:00Z on 1993-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.1939587897117Sfc1 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
1937 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
696 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
111 m²/s²
Significant tornado parameter
1.6
Supercell composite
7.2

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

Special weather statement, Apr 16, 12:48 AM EDT, 2 hours 37 minutes before
FLZ018-022-160545-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
1245 PM EDT FRI APR 16 1993

A SEVERE THUNDERSTORM WATCH IN  IN EFFECT FOR SOUTH FLORIDA UNTIL 500 AM EDT
INCLUDING...DADE...BROWARD...COLLIER...HENDRY AND GLADES COUNTIES...

A LARGE AREA OF RAINSHOWERS WITH CLUSTERS OF VERY HEAVY THUNDERSTORMS EXTENDS
SOUTH OVER THE PENINSULA FROM VERO BEACH TO THE KEYS.  THIS AREA CONTINUES TO
MOVE EAST AT 25 MILES AN HOUR.  INDIVIDUAL CELLS WITHIN THIS AREA ARE MOVING
EAST NORTHEAST AT 30 TO 35 MILES AN HOUR.

RESIDENTS...BOATERS AND OTHER CONCERNED INTERESTS OF SOUTH FLORIDA SHOULD BE
ALERT FOR SEVERE WEATHER...REMEMBER LARGE HAIL...DANGEROUS CLOUD TO GROUND
LIGHTNING STRIKES AND DAMAGING WINDS ARE POSSIBLE WITH THESE THUNDERSTORMS.
Special weather statement, Apr 16, 1:36 AM EDT, 1 hour 49 minutes before
FLZ011-013>023-160630-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE WEST PALM BEACH FL
130 AM EDT FRI APR 16 1993

...A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR PALM BEACH...
MARTIN...ST LUCIE AND OKEECHOBEE COUNTIES AND THE ADJACENT COASTAL
WATERS UNTIL 5 AM EDT...

AT 130 AM EDT...WEATHER SERVICE RADAR INDICATED A FEW STRONG
THUNDERSTORMS OVER CENTRAL MARTIN COUNTY BETWEEN INDIAN TOWN AND HOBE
SOUND. THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS...
DEADLY LIGHTNING...BRIEF HEAVY DOWNPOURS AND POSSIBLE SMALL HAIL.

THESE THUNDERSTORMS WERE MIXED WITH OTHERS IN A LARGE AREA OF RAIN OVER
THE STATE FROM DAYTONA BEACH TO FORT MYERS...SOUTH TO THE UPPER KEYS.

REMEMBER...A SEVERE THUDNERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE
FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN
THESE AREAS SHOULD BE ON T6HE LOOKOUT FOR THREATENING WEATHER CONDITIONS
AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

NNNN
Special weather statement, Apr 16, 1:52 AM EDT, 1 hour 33 minutes before
FLZ018-022-160645-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
1245 PM EDT FRI APR 16 1993

A SEVERE THUNDERSTORM WATCH IN  IN EFFECT FOR SOUTH FLORIDA UNTIL 500 AM EDT
INCLUDING...DADE...BROWARD...COLLIER...HENDRY AND GLADES COUNTIES...

A LARGE AREA OF RAINSHOWERS WITH CLUSTERS OF VERY HEAVY THUNDERSTORMS EXTENDS
SOUTH OVER THE PENINSULA FROM VERO BEACH TO THE KEYS.  THIS AREA CONTINUES TO
MOVE EAST AT 25 MILES AN HOUR.  INDIVIDUAL CELLS WITHIN THIS AREA ARE MOVING
EAST NORTHEAST AT 30 TO 35 MILES AN HOUR.

RESIDENTS...BOATERS AND OTHER CONCERNED INTERESTS OF SOUTH FLORIDA SHOULD BE
ALERT FOR SEVERE WEATHER...REMEMBER LARGE HAIL...DANGEROUS CLOUD TO GROUND
LIGHTNING STRIKPES AND DAMAGING WINDS ARE POSSIBLE WITH THESE THUNDERSTORMS.
Special weather statement, Apr 16, 1:54 AM EDT, 1 hour 31 minutes before
FLZ018-022-160645-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
145 PM EDT FRI APR 16 1993

A SEVERE THUNDERSTORM WATCH IN  IN EFFECT FOR SOUTH FLORIDA UNTIL 500 AM EDT
INCLUDING...DADE...BROWARD...COLLIER...HENDRY AND GLADES COUNTIES...

A LARGE AREA OF RAINSHOWERS WITH CLUSTERS OF VERY HEAVY THUNDERSTORMS EXTENDS
SOUTH OVER THE PENINSULA FROM VERO BEACH TO THE KEYS.  THIS AREA CONTINUES TO
MOVE EAST AT 25 MILES AN HOUR.  INDIVIDUAL CELLS WITHIN THIS AREA ARE MOVING
EAST NORTHEAST AT 30 TO 35 MILES AN HOUR.

RESIDENTS...BOATERS AND OTHER CONCERNED INTERESTS OF SOUTH FLORIDA SHOULD BE
ALERT FOR SEVERE WEATHER...REMEMBER LARGE HAIL...DANGEROUS CLOUD TO GROUND
LIGHTNING STRIKEVS AND DAMAGING WINDS ARE POSSIBLE WITH THESE THUNDERSTORMS.
Special weather statement, Apr 16, 2:04 AM EDT, 1 hour 21 minutes before
FLZ018-022-160645-    COR

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
145 AM EDT FRI APR 16 1993

A SEVERE THUNDERSTORM WATCH IN  IN EFFECT FOR SOUTH FLORIDA UNTIL 500 AM EDT
INCLUDING...DADE...BROWARD...COLLIER...HENDRY AND GLADES COUNTIES...

A LARGE AREA OF RAINSHOWERS WITH CLUSTERS OF VERY HEAVY THUNDERSTORMS EXTENDS
SOUTH OVER THE PENINSULA FROM VERO BEACH TO THE KEYS.  THIS AREA CONTINUES TO
MOVE EAST AT 25 MILES AN HOUR.  INDIVIDUAL CELLS WITHIN THIS AREA ARE MOVING
EAST NORTHEAST AT 30 TO 35 MILES AN HOUR.

RESIDENTS...BOATERS AND OTHER CONCERNED INTERESTS OF SOUTH FLORIDA SHOULD BE
ALERT FOR SEVERE WEATHER...REMEMBER LARGE HAIL...DANGEROUS CLOUD TO GROUND
LIGHTNING STRIKES AND DAMAGING WINDS ARE POSSIBLE WITH THESE THUNDERSTORMS.
Special weather statement, Apr 16, 2:39 AM EDT, 46 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 10:05 PM EDTSevere Thunderstorm WarningMFLCollier55 min
Apr 15, 11:37 PM EDTSevere Thunderstorm WarningMFLCollier68 min
Apr 16, 2:25 AM EDTSevere Thunderstorm WarningMFLBroward, Miami-Dade60 min

Nearby

Severe Thunderstorm Warnings in Florida, 1993Every severe thunderstorm warning in 1993

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.