Alert archive / Oregon / Tornado Warnings in 2010

Tornado Warning 1, NWS Portland, OR

December 14, 2010Clackamas County, Marion County, Oregon

NWS Portland, OR issued this tornado warning at Dec 14, 2010, 12:02 PM PST for Clackamas County, Marion County, Oregon. It was in force for 28 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: Dec 14, 2010, 12:02 PM PST (20:02 UTC)
Expired: Dec 14, 2010, 12:30 PM PST
In force: 28 min
Issued by: NWS Portland, OR
Area: Storm-based polygon

Counties Clackamas County, OR, Marion County, OR

The radar

The Portland,OR radar (KRTX), 86 km from the middle of the area, began a volume at 20:04 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 tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Portland, OR wrote its last area forecast discussion before this tornado warning went out at Dec 14, 9:09 AM PST, 2 hours 53 minutes earlier.

Area forecast discussion, Dec 14, 9:09 AM PST, 2 hours 53 minutes before

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Hazardous weather outlook, Dec 14, 5:39 AM PST, 6 hours 23 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.
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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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The office that day

Everything else NWS Portland, OR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 14, 2:39 AM PST	Small Craft Advisory for Winds	PQR		5 hr
Dec 14, 2:39 AM PST	Small Craft Advisory for Hazardous Seas	PQR		5 hr
Dec 14, 7:18 AM PST	Gale Warning	PQR		6 hr
Dec 14, 8:47 AM PST	River Flood Warning	PQR	Clackamas, Marion	3 days
Dec 14, 11:53 AM PST	Severe Thunderstorm Warning	PQR	Clackamas, Marion	18 min
Dec 14, 1:21 PM PST	Gale Warning	PQR		21 min
Dec 14, 1:42 PM PST	Small Craft Advisory for Winds	PQR		13 hr
Dec 14, 1:42 PM PST	Small Craft Advisory for Hazardous Seas	PQR		46 hr
Dec 14, 2:56 PM PST	Special Marine Warning	PQR		10 min
Dec 14, 3:02 PM PST	Special Weather Statement	PQR	Tillamook	43 min
Dec 14, 3:11 PM PST	Special Weather Statement	PQR	Benton	49 min

Nearby

Tornado Warnings in Oregon, 2010 Every tornado warning in 2010 Tornadoes 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.