Alert archive / Montana / High Wind Warnings in 2020

High Wind Warning 17, NWS Billings, MT

December 18, 202010 counties in Montana

NWS Billings, MT issued this high wind warning at Dec 18, 2020, 2:42 AM MST for 10 counties in Montana. It took effect at Dec 19, 2020, 2:45 AM MST. It was in force for 41 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 18, 2020, 2:42 AM MST (09:42 UTC)
In effect from: Dec 19, 2020, 2:45 AM MST
Expired: Dec 20, 2020, 7:55 PM MST
In force: 41 hr
Issued by: NWS Billings, MT

Counties Carter County, MT, Custer County, MT, Fallon County, MT, Golden Valley County, MT, Park County, MT, Powder River County, MT, Rosebud County, MT, Stillwater County, MT, Sweet Grass County, MT, Wheatland County, MT

The radar

The Billings radar (KBLX), 80 km from the middle of the area, began a volume at 09:40 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 high wind 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 high wind warning went out at Dec 17, 6:27 PM MST, 8 hours 15 minutes earlier.

Area forecast discussion, Dec 17, 6:27 PM MST, 8 hours 15 minutes before

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Hazardous weather outlook, Dec 17, 5:24 PM MST, 9 hours 18 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 18, 2:42 AM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	24 hr

Nearby

High Wind Warnings in Montana, 2020 Every high wind warning in 2020

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.