Alert archive / California / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 1, NWS San Diego, CA

January 19, 2010Riverside County, San Bernardino County, California

NWS San Diego, CA issued this severe thunderstorm warning at Jan 19, 2010, 2:00 PM PST for Riverside County, San Bernardino County, California. It was in force for 45 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: Jan 19, 2010, 2:00 PM PST (22:00 UTC)
Expired: Jan 19, 2010, 2:45 PM PST
In force: 45 min
Issued by: NWS San Diego, CA
Area: Storm-based polygon

Counties Riverside County, CA, San Bernardino County, CA

The radar

The Santa Ana Mts radar (KSOX), 152 km from the middle of the area, began a volume at 22:02 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 San Diego, CA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jan 19, 9:30 AM PST, 4 hours 30 minutes earlier.

Area forecast discussion, Jan 19, 9:30 AM PST, 4 hours 30 minutes before

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Hazardous weather outlook, Jan 19, 6:40 AM PST, 7 hours 20 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.
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      <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 San Diego, CA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 18, 4:00 PM PST	Flash Flood Warning	SGX	San Diego	60 min
Jan 18, 5:34 PM PST	Areal Flood Advisory	SGX	San Diego	86 min
Jan 19, 3:20 AM PST	Winter Storm Warning	SGX	Riverside, San Bernardino	15 hr
Jan 19, 3:29 AM PST	Wind Advisory	SGX	Orange, Riverside, San Bernardino, San Diego	15 hr
Jan 19, 3:42 AM PST	Flash Flood Watch	SGX	Orange, Riverside, San Bernardino, San Diego	14 hr
Jan 19, 12:45 PM PST	Tornado Warning	SGX	Orange	45 min
Jan 19, 1:28 PM PST	Tornado Warning	SGX	Orange	22 min
Jan 19, 1:42 PM PST	Special Marine Warning	SGX		61 min
Jan 19, 1:54 PM PST	Tornado Warning	SGX	Orange, San Diego	36 min
Jan 19, 2:24 PM PST	Severe Thunderstorm Warning	SGX	Orange, Riverside, San Diego	51 min
Jan 19, 2:35 PM PST	Tornado Warning	SGX	San Diego	40 min

Nearby

Severe Thunderstorm Warnings in California, 2010 Every severe thunderstorm warning in 2010

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.