Alert archive / California / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 44, NWS Phoenix, AZ

September 2, 2009Riverside County, California

NWS Phoenix, AZ issued this severe thunderstorm warning at Sep 2, 2009, 6:13 PM PDT for Riverside County, California. It was in force for 22 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: Sep 2, 2009, 6:13 PM PDT (01:13 UTC)
Expired: Sep 2, 2009, 6:35 PM PDT
In force: 22 min
Issued by: NWS Phoenix, AZ
Area: Storm-based polygon

County Riverside County, CA

The radar

The San Diego radar (KNKX), 134 km from the middle of the area, began a volume at 01:14 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 Phoenix, AZ wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 2, 2:47 PM PDT, 3 hours 26 minutes earlier.

Area forecast discussion, Sep 2, 2:47 PM PDT, 3 hours 26 minutes before

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Hazardous weather outlook, Sep 2, 6:23 AM PDT, 11 hours 50 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 Phoenix, AZ issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 2, 6:17 PM PDT	Special Weather Statement	PSR		28 min
Sep 2, 7:08 PM PDT	Special Weather Statement	PSR	La Paz	37 min
Sep 3, 3:08 PM PDT	Special Weather Statement	PSR	Gila	37 min
Sep 3, 3:57 PM PDT	Areal Flood Advisory	PSR	Gila, Maricopa, Pinal	108 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.