Alert archive / Oregon / River Flood Warnings in 2012

River Flood Warning 54, NWS Portland, OR

November 20, 2012Clackamas County, Oregon

NWS Portland, OR issued this river flood warning at Nov 20, 2012, 4:11 AM PST for Clackamas County, Oregon. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Nov 20, 2012, 4:11 AM PST (12:11 UTC)
Expired: Nov 20, 2012, 11:29 AM PST
In force: 7 hr
Issued by: NWS Portland, OR
Flood severity: Minor

County Clackamas County, OR

The radar

The Portland,OR radar (KRTX), 82 km from the middle of the area, began a volume at 12:14 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.

The river

Written for the forecast point Clackamas River near Estacada (ESTO3). The gauge peaked at 20.00 ft at Nov 20, 2012, 4:00 AM PST.

Action stage: 18 ft
Minor stage: 20 ft
Moderate stage: 23 ft
Major stage: 25 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 14210000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood 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 river flood warning went out at Nov 20, 3:17 AM PST, 54 minutes earlier.

Area forecast discussion, Nov 20, 3:17 AM PST, 54 minutes before

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Hazardous weather outlook, Nov 19, 6:00 PM PST, 10 hours 11 minutes before

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  <meta charset="utf-8">
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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.
      </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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The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 19, 4:06 PM PST	River Flood Warning	PQR	Lincoln	11 hr
Nov 19, 7:45 PM PST	River Flood Warning	PQR	Benton	16 hr
Nov 19, 8:10 PM PST	River Flood Warning	PQR	Benton, Lincoln	7 hr
Nov 19, 9:08 PM PST	High Wind Watch	PQR		6 hr
Nov 19, 9:08 PM PST	High Wind Watch	PQR		13 hr
Nov 19, 10:30 PM PST	River Flood Warning	PQR	Lane	5 hr
Nov 19, 11:33 PM PST	Areal Flood Advisory	PQR	Benton, Clackamas, Columbia, Lane, Linn, Marion and 4 more	8 hr
Nov 20, 3:20 AM PST	Gale Watch	PQR		11 hr
Nov 20, 3:20 AM PST	Gale Warning	PQR		24 hr
Nov 20, 3:34 AM PST	Coastal Flood Advisory	PQR		6 hr
Nov 20, 5:03 AM PST	Winter Weather Advisory	PQR		3 hr
Nov 20, 5:32 AM PST	River Flood Warning	PQR	Benton, Polk	31 hr
Nov 20, 2:20 PM PST	Winter Weather Advisory	PQR		27 hr

Nearby

River Flood Warnings in Oregon, 2012 Every river flood warning in 2012

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; the gauge from the NWS water service and the USGS.