Alert archive / California / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 23, NWS Sacramento, CA

August 18, 2023Tehama County, California

NWS Sacramento, CA issued this severe thunderstorm warning at Aug 18, 2023, 4:57 PM PDT for Tehama County, California. It was in force for 48 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 18, 2023, 4:57 PM PDT (23:57 UTC)
Expired: Aug 18, 2023, 5:45 PM PDT
In force: 48 min
Issued by: NWS Sacramento, CA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Tehama County, CA

The radar

The Beale AFB radar (KBBX), 87 km from the middle of the area, began a volume at 23:58 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 severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Sacramento, CA wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 18, 2:15 PM PDT, 2 hours 42 minutes earlier.

Area forecast discussion, Aug 18, 2:15 PM PDT, 2 hours 42 minutes before

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In the hours before

Special weather statement, Aug 18, 3:40 PM PDT, 1 hour 17 minutes before

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</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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Special weather statement, Aug 18, 4:32 PM PDT, 25 minutes before

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<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>
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</body>
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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 17, 6:43 PM PDT	Special Weather Statement	STO	Trinity	62 min
Aug 18, 3:40 PM PDT	Special Weather Statement	STO	Plumas, Sierra	50 min
Aug 18, 4:32 PM PDT	Special Weather Statement	STO	El Dorado	58 min

Nearby

Severe Thunderstorm Warnings in California, 2023 Every severe thunderstorm warning 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.