Alert archive / Idaho / River Flood Warnings in 2012

River Flood Warning 6, NWS Boise, ID

April 27, 2012Ada County, Canyon County, Idaho

NWS Boise, ID issued this river flood warning at Apr 27, 2012, 1:55 PM MDT for Ada County, Canyon County, Idaho. It took effect at May 5, 2012, 9:51 PM MDT. It was in force for 10 days.

The area

The counties it named.

The facts

Issued: Apr 27, 2012, 1:55 PM MDT (19:55 UTC)
In effect from: May 5, 2012, 9:51 PM MDT
Expired: May 15, 2012, 4:18 PM MDT
In force: 10 days
Issued by: NWS Boise, ID
Flood severity: Minor

Counties Ada County, ID, Canyon County, ID

The radar

The Boise radar (KCBX), 20 km from the middle of the area, began a volume at 19:57 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 Boise River at Boise (Glenwood Bridge) (BIGI1). The gauge peaked at 10.90 ft at May 5, 2012, 4:00 PM MDT.

Action stage: 9.7 ft
Minor stage: 10.1 ft
Moderate stage: 12.9 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 13206000, 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 Boise, ID wrote its last area forecast discussion before this river flood warning went out at Apr 27, 11:17 AM MDT, 2 hours 38 minutes earlier.

Area forecast discussion, Apr 27, 11:17 AM MDT, 2 hours 38 minutes before

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Hazardous weather outlook, Apr 27, 6:09 AM MDT, 7 hours 46 minutes before

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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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In the hours before

Special weather statement, Apr 27, 1:53 PM MDT, 2 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.
      </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>
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</body>
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The office that day

Everything else NWS Boise, ID issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 26, 9:57 PM MDT	Special Weather Statement	BOI	Ada	33 min
Apr 26, 10:12 PM MDT	Severe Thunderstorm Warning	BOI	Ada, Boise, Elmore	24 min

Nearby

River Flood Warnings in Idaho, 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.