Alert archive / Wyoming / Snow Squall Warnings in 2020

Snow Squall Warning 1, NWS Riverton, WY

November 11, 2020Sweetwater County, Wyoming

NWS Riverton, WY issued this snow squall warning at Nov 11, 2020, 10:58 AM MST for Sweetwater County, Wyoming. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Nov 11, 2020, 10:58 AM MST (17:58 UTC)
Expired: Nov 11, 2020, 12:00 PM MST
In force: 62 min
Issued by: NWS Riverton, WY
Area: Storm-based polygon

County Sweetwater County, WY

The radar

The Riverton/Lander radar (KRIW), 160 km from the middle of the area, began a volume at 17:58 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 snow squall warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Riverton, WY wrote its last area forecast discussion before this snow squall warning went out at Nov 11, 2:11 AM MST, 8 hours 47 minutes earlier.

Area forecast discussion, Nov 11, 2:11 AM MST, 8 hours 47 minutes before

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Hazardous weather outlook, Nov 11, 2:18 AM MST, 8 hours 40 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 Riverton, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 11, 1:06 AM MST	Winter Storm Warning	RIW	Fremont, Lincoln, Sublette, Teton	21 hr

Nearby

Snow Squall Warnings in Wyoming, 2020 Every snow squall 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.