Alert archive / Colorado / Winter Weather Advisories in 2012

Winter Weather Advisory 8, NWS Denver/Boulder, CO

February 21, 20124 counties in Colorado

NWS Denver/Boulder, CO issued this winter weather advisory at Feb 21, 2012, 8:56 PM MST for 4 counties in Colorado. It was in force for 26 hr.

The area

The counties it named.

The facts

Issued: Feb 21, 2012, 8:56 PM MST (03:56 UTC)
Expired: Feb 22, 2012, 11:18 PM MST
In force: 26 hr
Issued by: NWS Denver/Boulder, CO

Counties Boulder County, CO, Grand County, CO, Jackson County, CO, Larimer County, CO

The radar

The Cheyenne radar (KCYS), 121 km from the middle of the area, began a volume at 03:57 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.

What forecasters said that day

The local office's own words before this winter weather advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Denver/Boulder, CO wrote its last area forecast discussion before this winter weather advisory went out at Feb 21, 8:34 PM MST, 22 minutes earlier.

Area forecast discussion, Feb 21, 8:34 PM MST, 22 minutes before

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In the hours before

Local storm report, Feb 21, 8:56 PM MST, 0 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.
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The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 21, 8:56 PM MST	Winter Storm Warning	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more	38 hr

Nearby

Winter Weather Advisories in Colorado, 2012 Every winter weather advisory 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.