Alert archive / Colorado / Winter Storm Warnings in 2011

Winter Storm Warning 15, NWS Grand Junction, CO

April 18, 20115 counties in Colorado

NWS Grand Junction, CO issued this winter storm warning at Apr 18, 2011, 3:31 AM MDT for 5 counties in Colorado. It took effect at Apr 18, 2011, 6:00 AM MDT. It was in force for 36 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 18, 2011, 3:31 AM MDT (09:31 UTC)
In effect from
Apr 18, 2011, 6:00 AM MDT
Expired
Apr 19, 2011, 6:00 PM MDT
In force
36 hr
Issued by
NWS Grand Junction, CO

Counties Eagle County, CO, Garfield County, CO, Moffat County, CO, Rio Blanco County, CO, Routt County, CO

The radar

The Grand Junction radar (KGJX), 123 km from the middle of the area, began a volume at 09:32 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 storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Grand Junction, CO wrote its last area forecast discussion before this winter storm warning went out at Apr 18, 3:30 AM MDT, 1 minute earlier.

Area forecast discussion, Apr 18, 3:30 AM MDT, 1 minute before
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Hazardous weather outlook, Apr 17, 5:45 AM MDT, 21 hours 46 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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</body>
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The office that day

Everything else NWS Grand Junction, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 18, 3:31 AM MDTWinter Weather AdvisoryGJTDelta, Eagle, Garfield, Gunnison, Hinsdale, Mesa and 4 more38 hr

Nearby

Winter Storm Warnings in Colorado, 2011Every winter storm warning in 2011

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.