Alert archive / Wyoming / Winter Weather Advisories in 2019

Winter Weather Advisory 21, NWS Cheyenne, WY

April 9, 20197 counties in Wyoming; Sioux County, Nebraska

NWS Cheyenne, WY issued this winter weather advisory at Apr 9, 2019, 12:58 PM MDT for 7 counties in Wyoming; Sioux County, Nebraska. It took effect at Apr 10, 2019, 12:00 AM MDT. It was in force for 34 hr.

The area

The counties it named.

The facts

Issued: Apr 9, 2019, 12:58 PM MDT (18:58 UTC)
In effect from: Apr 10, 2019, 12:00 AM MDT
Expired: Apr 11, 2019, 10:01 AM MDT
In force: 34 hr
Issued by: NWS Cheyenne, WY

Counties 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), 115 km from the middle of the area, began a volume at 19:04 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 weather advisory 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 weather advisory went out at Apr 9, 12:45 PM MDT, 13 minutes earlier.

Area forecast discussion, Apr 9, 12:45 PM MDT, 13 minutes before

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Hazardous weather outlook, Apr 9, 6:11 AM MDT, 6 hours 47 minutes before

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</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>
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        Please try again in a few minutes.
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The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 9, 3:27 AM MDT	Blizzard Warning	CYS	Albany, Goshen, Laramie, Platte	58 hr
Apr 9, 3:27 AM MDT	Winter Storm Warning	CYS	Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more	48 hr

Nearby

Winter Weather Advisories in Wyoming, 2019 Winter Weather Advisories in Nebraska, 2019 Every winter weather advisory in 2019

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.