Alert archive / California / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 43, NWS Reno, NV

July 31, 2009Lassen County, California

NWS Reno, NV issued this severe thunderstorm warning at Jul 31, 2009, 6:34 PM PDT for Lassen County, California. It was in force for 26 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: Jul 31, 2009, 6:34 PM PDT (01:34 UTC)
Expired: Jul 31, 2009, 7:00 PM PDT
In force: 26 min
Issued by: NWS Reno, NV
Area: Storm-based polygon

County Lassen County, CA

The radar

The Reno radar (KRGX), 140 km from the middle of the area, began a volume at 01:35 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 Reno, NV wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 31, 3:24 PM PDT, 3 hours 10 minutes earlier.

Area forecast discussion, Jul 31, 3:24 PM PDT, 3 hours 10 minutes before

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Hazardous weather outlook, Jul 31, 3:45 PM PDT, 2 hours 49 minutes before

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In the hours before

Special weather statement, Jul 31, 3:50 PM PDT, 2 hours 44 minutes before

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      <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.
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      <p id="message2">
        Please try again in a few minutes.
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        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, Jul 31, 4:03 PM PDT, 2 hours 31 minutes before

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<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>
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Special weather statement, Jul 31, 4:29 PM PDT, 2 hours 5 minutes before

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  <title>Service Notice</title>
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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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    </section>
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Special weather statement, Jul 31, 4:33 PM PDT, 2 hours 1 minute before

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<head>
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  <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>
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</body>
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The office that day

Everything else NWS Reno, NV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 31, 5:02 PM PDT	Special Weather Statement	REV	Storey	28 min
Jul 31, 5:42 PM PDT	Special Weather Statement	REV		33 min
Jul 31, 6:20 PM PDT	Special Weather Statement	REV	Churchill, Pershing	55 min
Aug 1, 4:32 PM PDT	Special Weather Statement	REV		28 min
Aug 1, 4:40 PM PDT	Special Weather Statement	REV		20 min
Aug 1, 4:53 PM PDT	Special Weather Statement	REV		22 min
Jul 31, 5:12 PM PDT	Special Weather Statement	REV	Sierra	33 min
Jul 31, 5:27 PM PDT	Special Weather Statement	REV	Plumas	33 min
Jul 31, 6:27 PM PDT	Special Weather Statement	REV	Plumas	18 min
Aug 1, 2:46 PM PDT	Special Weather Statement	REV	Lassen	29 min

Nearby

Severe Thunderstorm Warnings in California, 2009 Every severe thunderstorm warning in 2009

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.