Alert archive / Florida / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 36, NWS Miami, FL

May 10, 2025Glades County, Florida

NWS Miami, FL issued this severe thunderstorm warning at May 10, 2025, 2:50 PM EDT for Glades County, Florida. It was in force for 25 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: May 10, 2025, 2:50 PM EDT (18:50 UTC)
Expired: May 10, 2025, 3:15 PM EDT
In force: 25 min
Issued by: NWS Miami, FL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Glades County, FL

The radar

The Melbourne radar (KMLB), 139 km from the middle of the area, began a volume at 18:52 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

Tampa Bay, FL (KTBW), launched 12:00Z, 6.8 hours before the alert went out and 146 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: 316 J/kg
Mixed-layer CIN: -133 J/kg
Mixed-layer LCL: 1025 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 95 m²/s²
0-3 km storm-relative helicity: 124 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.0

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 May 10, 12:23 PM EDT, 2 hours 27 minutes earlier.

Area forecast discussion, May 10, 12:23 PM EDT, 2 hours 27 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>

In the hours before

Special weather statement, May 10, 2:33 PM EDT, 17 minutes before

Special Weather Statement
National Weather Service Miami FL
233 PM EDT Sat May 10 2025

FLZ063-101915-
Glades FL-
233 PM EDT Sat May 10 2025

...A strong thunderstorm will impact portions of western Glades
County through 315 PM EDT...

At 233 PM EDT, National Weather Service meteorologists were tracking
a strong thunderstorm near Muse, or 9 miles west of Palmdale, moving
northeast at 25 mph.

HAZARD...Wind gusts of 45 to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Palmdale.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

These winds can down small tree limbs and branches, and blow around
unsecured small objects. Seek shelter in a safe building until the
storm passes.

&&

LAT...LON 2710 8111 2684 8137 2695 8154 2703 8149
      2703 8134 2704 8133 2703 8133 2703 8127
      2712 8127 2712 8117 2714 8117
TIME...MOT...LOC 1833Z 215DEG 21KT 2691 8145

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

WR

The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 9:08 PM EDT	Special Weather Statement	MFL	Glades	37 min
May 10, 2:33 PM EDT	Special Weather Statement	MFL	Glades	42 min
May 10, 3:17 PM EDT	Severe Thunderstorm Warning	MFL	Glades	43 min
May 10, 3:32 PM EDT	Special Weather Statement	MFL	Glades	43 min
May 10, 4:02 PM EDT	Special Weather Statement	MFL	Glades	43 min
May 10, 4:51 PM EDT	Severe Thunderstorm Warning	MFL	Glades, Hendry	27 min
May 10, 4:55 PM EDT	Special Marine Warning	MFL		50 min
May 10, 4:57 PM EDT	Special Weather Statement	MFL	Glades	33 min

Nearby

Severe Thunderstorm Warnings in Florida, 2025 Every severe thunderstorm warning in 2025

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.