Alert archive / Puerto Rico / Heat Advisories in 2025

Heat Advisory 2, NWS JSJ

May 21, 2025

NWS JSJ issued this heat advisory at May 21, 2025, 2:30 AM CDT. It took effect at May 21, 2025, 9:00 AM CDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: May 21, 2025, 2:30 AM CDT (07:30 UTC)
In effect from: May 21, 2025, 9:00 AM CDT
Expired: May 21, 2025, 3:00 PM CDT
In force: 6 hr
Issued by: NWS JSJ

What forecasters said that day

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

NWS JSJ wrote its last area forecast discussion before this heat advisory went out at May 20, 1:50 PM CDT, 12 hours 40 minutes earlier.

Area forecast discussion, May 20, 1:50 PM CDT, 12 hours 40 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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        Please try again in a few minutes.
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      <p class="small" id="detail">
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Hazardous weather outlook, May 20, 3:56 AM CDT, 22 hours 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 JSJ issued on the same UTC day.

Issued	Product	Office	Lasted
May 21, 1:52 PM CDT	Special Weather Statement	JSJ	68 min
May 21, 2:02 PM CDT	Areal Flood Advisory	JSJ	3 hr
May 21, 3:24 PM CDT	Special Weather Statement	JSJ	66 min
May 21, 3:52 PM CDT	Areal Flood Advisory	JSJ	83 min
May 21, 4:09 PM CDT	Areal Flood Advisory	JSJ	81 min
May 21, 5:16 PM CDT	Areal Flood Advisory	JSJ	59 min

Nearby

Heat Advisories in Puerto Rico, 2025 Every heat advisory 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.