Alert archive / Arizona / Snow Squall Warnings in 2022

Snow Squall Warning 2, NWS Flagstaff, AZ

December 12, 2022Coconino County, Yavapai County, Arizona

NWS Flagstaff, AZ issued this snow squall warning at Dec 12, 2022, 6:25 PM MST for Coconino County, Yavapai County, Arizona. It was in force for 35 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: Dec 12, 2022, 6:25 PM MST (01:25 UTC)
Expired: Dec 12, 2022, 7:00 PM MST
In force: 35 min
Issued by: NWS Flagstaff, AZ
Area: Storm-based polygon
Damage threat: Significant

Counties Coconino County, AZ, Yavapai County, AZ

The radar

The Flagstaff radar (KFSX), 113 km from the middle of the area, began a volume at 01:29 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.

In the hours before

Local storm report, Dec 12, 5:06 PM MST, 1 hour 19 minutes before

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Local storm report, Dec 12, 5:07 PM MST, 1 hour 18 minutes before

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Local storm report, Dec 12, 5:10 PM MST, 1 hour 15 minutes before

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Local storm report, Dec 12, 5:11 PM MST, 1 hour 14 minutes before

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<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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Local storm report, Dec 12, 6:00 PM MST, 25 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>
      <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>
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Special weather statement, Dec 12, 6:15 PM MST, 10 minutes before

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  <title>Service Notice</title>
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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>
      <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 Flagstaff, AZ issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 12, 5:35 PM MST	Snow Squall Warning Significant damage threat	FGZ	Coconino, Yavapai	40 min
Dec 12, 6:15 PM MST	Special Weather Statement	FGZ		30 min
Dec 12, 7:01 PM MST	Snow Squall Warning Significant damage threat	FGZ	Coconino, Yavapai	21 min

Nearby

Snow Squall Warnings in Arizona, 2022 Every snow squall warning in 2022

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.