Alert archive / Colorado / Winter Weather Advisories in 2021

Winter Weather Advisory 22, NWS Denver/Boulder, CO

April 6, 2021Arapahoe County, Douglas County, Elbert County, Colorado

NWS Denver/Boulder, CO issued this winter weather advisory at Apr 6, 2021, 6:08 PM MDT for Arapahoe County, Douglas County, Elbert County, Colorado. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Apr 6, 2021, 6:08 PM MDT (00:08 UTC)
Expired
Apr 6, 2021, 8:52 PM MDT
In force
3 hr
Issued by
NWS Denver/Boulder, CO

Counties Arapahoe County, CO, Douglas County, CO, Elbert County, CO

The radar

The Denver radar (KFTG), 41 km from the middle of the area, began a volume at 00:08 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 Denver/Boulder, CO wrote its last area forecast discussion before this winter weather advisory went out at Apr 6, 2:19 PM MDT, 3 hours 49 minutes earlier.

Area forecast discussion, Apr 6, 2:19 PM MDT, 3 hours 49 minutes before
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Hazardous weather outlook, Apr 6, 10:02 AM MDT, 8 hours 6 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 Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 6, 6:47 PM MDTSpecial Weather StatementBOULincoln58 min
Apr 7, 3:36 AM MDTFire Weather WatchBOUAdams, Arapahoe, Elbert, Larimer, Lincoln, Logan and 5 more11 hr
Apr 7, 2:49 PM MDTRed Flag WarningBOUAdams, Arapahoe, Elbert, Larimer, Lincoln, Logan and 5 more28 hr

Nearby

Winter Weather Advisories in Colorado, 2021Every 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.