Alert archive / Wyoming / Winter Weather Advisories in 2021

Winter Weather Advisory 41, NWS Cheyenne, WY

December 14, 2021Albany County, Carbon County, Wyoming; Dawes County, Nebraska

NWS Cheyenne, WY issued this winter weather advisory at Dec 14, 2021, 2:09 PM MST for Albany County, Carbon County, Wyoming; Dawes County, Nebraska. It took effect at Dec 15, 2021, 3:51 AM MST. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued: Dec 14, 2021, 2:09 PM MST (21:09 UTC)
In effect from: Dec 15, 2021, 3:51 AM MST
Expired: Dec 16, 2021, 3:23 AM MST
In force: 24 hr
Issued by: NWS Cheyenne, WY

Counties Dawes County, NE, Albany County, WY, Carbon County, WY

The radar

The Cheyenne radar (KCYS), 104 km from the middle of the area, began a volume at 21:12 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 Dec 14, 10:57 AM MST, 3 hours 12 minutes earlier.

Area forecast discussion, Dec 14, 10:57 AM MST, 3 hours 12 minutes before

<!doctype html>
<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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Dec 14, 6:48 AM MST, 7 hours 21 minutes before

Hazardous Weather Outlook
National Weather Service Cheyenne WY
648 AM MST Tue Dec 14 2021

NEZ002-003-019>021-054-055-095-096-WYZ101>119-151400-
Dawes County-Box Butte County-Scotts Bluff County-Banner County-
Morrill County-Kimball County-Cheyenne County-
Northern Sioux County-Southern Sioux County-
Converse County Lower Elevations-Niobrara County-
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-Central Carbon County-
North Snowy Range Foothills-Southwest Carbon County-
Sierra Madre Range-Upper North Platte River Basin-Snowy Range-
Laramie Valley-South Laramie Range-South Laramie Range Foothills-
Central Laramie County-East Laramie County-
648 AM MST Tue Dec 14 2021

This hazardous weather outlook is for portions of panhandle
Nebraska...east central Wyoming...south central Wyoming and
southeast Wyoming.

.DAY ONE...TODAY AND TONIGHT

Periods of strong winds will occur today over Converse and
northern Carbon counties.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

Widespread strong winds are likely across all of southeast Wyoming
and the western Nebraska Panhandle on Wednesday. Numerous High
Warnings are in effect. Please refer to the appropriate products
for more specific details.

Snow squalls may develop across portions of the area on Wednesday,
leading to difficult travel conditions in some localized areas due
to snow and blowing snow.

.Spotter information statement...

Spotter activation is not anticipated.

In the hours before

Local storm report, Dec 14, 1:00 PM MST, 1 hour 9 minutes before

<!doctype html>
<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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 14, 4:08 AM MST	High Wind Warning	CYS	Albany, Carbon, Goshen, Laramie, Niobrara, Platte	49 hr

Nearby

Winter Weather Advisories in Wyoming, 2021 Winter Weather Advisories in Nebraska, 2021 Every winter weather advisory in 2021

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.