Alert archive / California / Heat Advisories in 2023

Heat Advisory 4, NWS Eureka, CA

August 11, 20235 counties in California

NWS Eureka, CA issued this heat advisory at Aug 11, 2023, 2:36 PM PDT for 5 counties in California. It took effect at Aug 13, 2023, 11:00 AM PDT. It was in force for 4 days.

The area

The counties it named.

The facts

Issued
Aug 11, 2023, 2:36 PM PDT (21:36 UTC)
In effect from
Aug 13, 2023, 11:00 AM PDT
Expired
Aug 16, 2023, 11:00 PM PDT
In force
4 days
Issued by
NWS Eureka, CA

Counties Del Norte County, CA, Humboldt County, CA, Lake County, CA, Mendocino County, CA, Trinity County, CA

The radar

The Eureka (Bunker Hill) radar (KBHX), 75 km from the middle of the area, began a volume at 21:36 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 heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Eureka, CA wrote its last area forecast discussion before this heat advisory went out at Aug 10, 3:11 PM PDT, 23 hours 25 minutes earlier.

Area forecast discussion, Aug 10, 3:11 PM PDT, 23 hours 25 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 Eureka, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 11, 2:59 AM PDTGale WarningEKA42 hr

Nearby

Heat Advisories in California, 2023Every heat advisory 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; radar from the NEXRAD Level II archive.