Alert archive / California / Excessive Heat Warnings in 2016

Excessive Heat Warning 3, NWS Los Angeles, CA

July 21, 2016Los Angeles County, California

NWS Los Angeles, CA issued this excessive heat warning at Jul 21, 2016, 5:55 PM PDT for Los Angeles County, California. It took effect at Jul 22, 2016, 10:00 AM PDT. It was in force for 34 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 21, 2016, 5:55 PM PDT (00:55 UTC)
In effect from
Jul 22, 2016, 10:00 AM PDT
Expired
Jul 23, 2016, 8:00 PM PDT
In force
34 hr
Issued by
NWS Los Angeles, CA

County Los Angeles County, CA

The radar

The Santa Ana Mts radar (KSOX), 71 km from the middle of the area, began a volume at 00:59 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 excessive heat warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Los Angeles, CA wrote its last area forecast discussion before this excessive heat warning went out at Jul 21, 4:56 PM PDT, 59 minutes earlier.

Area forecast discussion, Jul 21, 4:56 PM PDT, 59 minutes before
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Hazardous weather outlook, Jul 21, 3:28 PM PDT, 2 hours 27 minutes before
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  <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.
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The office that day

Everything else NWS Los Angeles, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 22, 2:12 AM PDTSmall Craft AdvisoryLOX24 hr

Nearby

Excessive Heat Warnings in California, 2016Every excessive heat warning in 2016

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.