Alert archive / Montana / Winter Storm Warnings in 2011

Winter Storm Warning 19, NWS Billings, MT

December 30, 20114 counties in Montana

NWS Billings, MT issued this winter storm warning at Dec 30, 2011, 3:36 AM MST for 4 counties in Montana. It took effect at Dec 30, 2011, 6:00 AM MST. It was in force for 27 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: Dec 30, 2011, 3:36 AM MST (10:36 UTC)
In effect from: Dec 30, 2011, 6:00 AM MST
Expired: Dec 31, 2011, 9:26 AM MST
In force: 27 hr
Issued by: NWS Billings, MT

Counties Carbon County, MT, Park County, MT, Stillwater County, MT, Sweet Grass County, MT

The radar

The Billings radar (KBLX), 93 km from the middle of the area, began a volume at 10:33 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 Billings, MT wrote its last area forecast discussion before this winter storm warning went out at Dec 29, 9:22 PM MST, 6 hours 14 minutes earlier.

Area forecast discussion, Dec 29, 9:22 PM MST, 6 hours 14 minutes before

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Hazardous weather outlook, Dec 29, 9:19 PM MST, 6 hours 17 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 Billings, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 30, 3:21 AM MST	High Wind Watch	BYZ	Big Horn, Carter, Custer, Fallon, Musselshell, Powder River and 2 more	23 hr

Nearby

Winter Storm Warnings in Montana, 2011 Every 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.