Alert archive / Florida / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 110, NWS Miami, FL

September 25, 2023Hendry County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Sep 25, 2023, 3:13 PM EDT for Hendry County, Florida. It was in force for 32 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
Sep 25, 2023, 3:13 PM EDT (19:13 UTC)
Expired
Sep 25, 2023, 3:45 PM EDT
In force
32 min
Issued by
NWS Miami, FL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Hendry County, FL

The radar

The Miami radar (KAMX), 129 km from the middle of the area, began a volume at 19:13 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, 7.2 hours before the alert went out and 120 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 2023-09-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 813 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 2023-09-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
813 J/kg
Mixed-layer CIN
-109 J/kg
Mixed-layer LCL
1001 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
38 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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.

NWS Miami, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 25, 12:38 PM EDT, 2 hours 35 minutes earlier.

Area forecast discussion, Sep 25, 12:38 PM EDT, 2 hours 35 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>
Hazardous weather outlook, Sep 25, 10:49 AM EDT, 4 hours 24 minutes before
Hazardous Weather Outlook
National Weather Service Miami FL
1049 AM EDT Mon Sep 25 2023

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
261500-
Lake Okeechobee-Biscayne Bay-
Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM-
Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM-
Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM-
Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM
excluding the territorial waters of Bahamas-Glades-Hendry-
Inland Palm Beach County-Metro Palm Beach County-
Coastal Collier County-Inland Collier County-Inland Broward County-
Metro Broward County-Inland Miami-Dade County-
Metropolitan Miami Dade-Mainland Monroe-Coastal Palm Beach County-
Coastal Broward County-Coastal Miami Dade County-Far South Miami-
Dade County-
Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM-
Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM-
Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM-
1049 AM EDT Mon Sep 25 2023

...A Few Strong/Severe Storms Possible...
...High Risk of Rip Currents for the Palm Beach County Beaches...

This Hazardous Weather Outlook is for Atlantic coastal waters,
southeast Florida, southern Florida, southwest Florida and Gulf of
Mexico.

.DAY ONE...Today and tonight.

Thunderstorms: Scattered thunderstorms are forecast during the
afternoon to early evening hours. Thunderstorms may contain gusty
winds, heavy rain, and frequent lightning. In addition, a few storms
could become strong to marginally severe in nature with strong wind
gusts and hail.

Wind: The strongest storms could produce wind gusts up to 60 mph.

Hail: The strongest storms could produce hail up to quarter size.

Rip Currents: A high risk for rip currents will persist across the
Palm Beach beaches today. A moderate risk of rip currents will be
possible across Broward and Miami Dade County beaches today.

Waterspouts: A few waterspouts are possible today over the area
waters.

Flooding: Slow moving or training storms may lead to localized
flooding across some of the east coast metro areas.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Scattered to numerous showers and thunderstorms will be possible
each afternoon and evening into the middle portion of the upcoming
work week.

There will be the potential of minor coastal flooding along the
Atlantic coast of South Florida mid to late week, especially during
periods of high tide.

An elevated risk of rip currents will likely persist along the east
coast of South Florida over the next several days.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report high wind, hail, and
flooding to the National Weather Service forecast office in Miami.

In the hours before

Local storm report, Sep 25, 11:23 AM EDT, 3 hours 50 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>
Special weather statement, Sep 25, 2:12 PM EDT, 1 hour 1 minute 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>
Special weather statement, Sep 25, 2:17 PM EDT, 56 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>
Special weather statement, Sep 25, 2:45 PM EDT, 28 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>
Special weather statement, Sep 25, 2:47 PM EDT, 26 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>
Special weather statement, Sep 25, 3:06 PM EDT, 7 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
Sep 24, 8:50 PM EDTSpecial Marine WarningMFL40 min
Sep 24, 9:30 PM EDTSpecial Marine WarningMFL45 min
Sep 24, 11:26 PM EDTSpecial Weather StatementMFLMiami-Dade34 min
Sep 24, 11:40 PM EDTSevere Thunderstorm WarningMFLMiami-Dade35 min
Sep 25, 12:02 AM EDTSevere Thunderstorm WarningMFLMiami-Dade16 min
Sep 25, 12:20 AM EDTSpecial Weather StatementMFLBroward25 min
Sep 25, 12:38 AM EDTSpecial Weather StatementMFLBroward37 min
Sep 25, 12:39 AM EDTSpecial Marine WarningMFL51 min
Sep 25, 12:43 AM EDTSpecial Marine WarningMFL62 min
Sep 25, 1:13 AM EDTSpecial Weather StatementMFLBroward47 min
Sep 25, 1:15 AM EDTSpecial Marine WarningMFL45 min
Sep 25, 1:59 AM EDTSpecial Weather StatementMFLPalm Beach46 min
Sep 25, 2:01 AM EDTSpecial Marine WarningMFL44 min
Sep 25, 2:12 PM EDTSpecial Weather StatementMFLCollier33 min
Sep 25, 2:17 PM EDTSpecial Weather StatementMFLHendry28 min
Sep 25, 2:27 PM EDTSpecial Marine WarningMFL63 min
Sep 25, 2:45 PM EDTSpecial Weather StatementMFLHendry45 min
Sep 25, 2:47 PM EDTSpecial Weather StatementMFLHendry43 min
Sep 25, 3:06 PM EDTSpecial Weather StatementMFLPalm Beach39 min
Sep 25, 3:41 PM EDTSpecial Weather StatementMFLGlades, Hendry64 min
Sep 25, 3:41 PM EDTSpecial Weather StatementMFLGlades, Hendry64 min
Sep 25, 3:57 PM EDTSpecial Weather StatementMFLPalm Beach33 min
Sep 25, 4:24 PM EDTSpecial Weather StatementMFLPalm Beach51 min
Sep 25, 4:29 PM EDTSpecial Weather StatementMFLPalm Beach46 min
Sep 25, 4:33 PM EDTAreal Flood AdvisoryMFLPalm Beach3 hr
Sep 25, 4:35 PM EDTSpecial Weather StatementMFLMiami-Dade55 min
Sep 25, 4:40 PM EDTSpecial Marine WarningMFL35 min
Sep 25, 4:48 PM EDTSpecial Weather StatementMFLBroward57 min
Sep 25, 5:06 PM EDTSpecial Weather StatementMFLPalm Beach54 min
Sep 25, 5:09 PM EDTAreal Flood AdvisoryMFLBroward, Palm Beach32 min
Sep 25, 5:24 PM EDTSpecial Marine WarningMFL36 min
Sep 25, 5:37 PM EDTSpecial Weather StatementMFLCollier38 min
Sep 25, 5:41 PM EDTFlash Flood WarningMFLPalm Beach3 hr
Sep 25, 5:57 PM EDTSpecial Weather StatementMFLBroward48 min
Sep 25, 6:23 PM EDTSpecial Marine WarningMFL37 min
Sep 25, 6:42 PM EDTSpecial Marine WarningMFL48 min
Sep 25, 7:09 PM EDTSpecial Marine WarningMFL66 min

Nearby

Severe Thunderstorm Warnings in Florida, 2023Every severe thunderstorm warning in 2023

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.