Alert archive / Wyoming / Winter Storm Warnings in 2010

Winter Storm Warning 5, NWS Cheyenne, WY

May 11, 20107 counties in Wyoming; 4 counties in Nebraska

NWS Cheyenne, WY issued this winter storm warning at May 11, 2010, 3:49 AM MDT for 7 counties in Wyoming; 4 counties in Nebraska. It took effect at May 11, 2010, 12:00 PM MDT. It was in force for 26 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: May 11, 2010, 3:49 AM MDT (09:49 UTC)
In effect from: May 11, 2010, 12:00 PM MDT
Expired: May 12, 2010, 1:54 PM MDT
In force: 26 hr
Issued by: NWS Cheyenne, WY

Counties Banner County, NE, Kimball County, NE, Scotts Bluff County, NE, Sioux County, NE, Albany County, WY, Carbon County, WY, Converse County, WY, Goshen County, WY, Laramie County, WY, Niobrara County, WY, Platte County, WY

The radar

The Cheyenne radar (KCYS), 95 km from the middle of the area, began a volume at 09:49 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 Cheyenne, WY wrote its last area forecast discussion before this winter storm warning went out at May 11, 3:00 AM MDT, 49 minutes earlier.

Area forecast discussion, May 11, 3:00 AM MDT, 49 minutes before

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Hazardous weather outlook, May 10, 7:34 PM MDT, 8 hours 15 minutes before

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  <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 Cheyenne, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 11, 3:49 AM MDT	Winter Weather Advisory	CYS	Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more	34 hr

Nearby

Winter Storm Warnings in Wyoming, 2010 Winter Storm Warnings in Nebraska, 2010 Every winter storm warning 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.