Alert archive / Florida / Flash Flood Warnings in 2025

Flash Flood Warning 29, NWS Jacksonville, FL

August 29, 2025Nassau County, Florida

NWS Jacksonville, FL issued this flash flood warning at Aug 29, 2025, 10:54 AM EDT for Nassau 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: Aug 29, 2025, 10:54 AM EDT (14:54 UTC)
Expired: Aug 29, 2025, 11:57 AM EDT
In force: 63 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon
Flood severity: None

County Nassau County, FL

The radar

The Jacksonville radar (KJAX), 16 km from the middle of the area, began a volume at 14:55 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.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jacksonville, FL wrote its last area forecast discussion before this flash flood warning went out at Aug 29, 8:29 AM EDT, 2 hours 25 minutes earlier.

Area forecast discussion, Aug 29, 8:29 AM EDT, 2 hours 25 minutes before

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    <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>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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      <p class="small" id="detail">
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In the hours before

Special weather statement, Aug 29, 9:06 AM EDT, 1 hour 48 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, Aug 29, 10:20 AM EDT, 34 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 Jacksonville, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 28, 8:52 PM EDT	Areal Flood Advisory	JAX	Putnam	113 min
Aug 28, 9:38 PM EDT	Areal Flood Advisory	JAX	Flagler, Putnam	2 hr
Aug 28, 9:56 PM EDT	Special Weather Statement	JAX	Flagler	34 min
Aug 28, 10:40 PM EDT	Special Weather Statement	JAX	Flagler	35 min
Aug 28, 11:22 PM EDT	Areal Flood Advisory	JAX	Flagler	113 min
Aug 28, 11:33 PM EDT	Special Weather Statement	JAX	Flagler	27 min
Aug 29, 1:57 AM EDT	Areal Flood Advisory	JAX	Saint Johns	74 min
Aug 29, 10:10 AM EDT	Areal Flood Advisory	JAX	Nassau	114 min
Aug 29, 10:20 AM EDT	Special Weather Statement	JAX	Nassau	25 min
Aug 29, 10:39 AM EDT	Areal Flood Advisory	JAX	Nassau	95 min
Aug 29, 1:57 PM EDT	Areal Flood Advisory	JAX	Duval	32 min
Aug 29, 2:53 PM EDT	Special Weather Statement	JAX	Gilchrist	37 min
Aug 29, 4:01 PM EDT	Special Weather Statement	JAX	Marion	44 min
Aug 29, 4:44 PM EDT	Special Weather Statement	JAX	Marion	46 min
Aug 29, 4:45 PM EDT	Special Weather Statement	JAX	Suwannee	30 min
Aug 29, 4:54 PM EDT	Areal Flood Advisory	JAX	Suwannee	72 min
Aug 29, 6:15 PM EDT	Areal Flood Advisory	JAX	Hamilton, Suwannee	40 min
Aug 29, 7:40 PM EDT	Special Weather Statement	JAX	Putnam	35 min
Aug 29, 9:03 AM EDT	Areal Flood Advisory	JAX	Brantley, Charlton, Ware	117 min
Aug 29, 9:06 AM EDT	Special Weather Statement	JAX	Charlton	24 min

Nearby

Flash Flood Warnings in Florida, 2025 Every flash flood 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; radar from the NEXRAD Level II archive.