Alert archive / Arizona / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 113, NWS Flagstaff, AZ

August 12, 2024Coconino County, Arizona

NWS Flagstaff, AZ issued this severe thunderstorm warning at Aug 12, 2024, 3:58 PM MST for Coconino County, Arizona. It was in force for 32 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: Aug 12, 2024, 3:58 PM MST (22:58 UTC)
Expired: Aug 12, 2024, 4:30 PM MST
In force: 32 min
Issued by: NWS Flagstaff, AZ
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Coconino County, AZ

The radar

The Flagstaff radar (KFSX), 150 km from the middle of the area, began a volume at 22:57 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 severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Flagstaff, AZ wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 12, 3:38 PM MST, 20 minutes earlier.

Area forecast discussion, Aug 12, 3:38 PM MST, 20 minutes before

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In the hours before

Special weather statement, Aug 12, 1:04 PM MST, 2 hours 54 minutes before

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Local storm report, Aug 12, 1:22 PM MST, 2 hours 36 minutes before

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      <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.
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      <p id="message2">
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Special weather statement, Aug 12, 1:43 PM MST, 2 hours 15 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.
      </p>
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Special weather statement, Aug 12, 1:58 PM MST, 2 hours 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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Local storm report, Aug 12, 3:07 PM MST, 51 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>
    </section>
  </main>
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</body>
</html>

Special weather statement, Aug 12, 3:42 PM MST, 16 minutes before

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<html lang="en">
<head>
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  <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 Flagstaff, AZ issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 11, 5:31 PM MST	Severe Thunderstorm Warning	FGZ	Coconino	20 min
Aug 11, 5:48 PM MST	Severe Thunderstorm Warning	FGZ	Coconino, Yavapai	27 min
Aug 12, 12:46 PM MST	Severe Thunderstorm Warning	FGZ	Yavapai	29 min
Aug 12, 12:57 PM MST	Special Weather Statement	FGZ		48 min
Aug 12, 1:04 PM MST	Special Weather Statement	FGZ	Coconino	26 min
Aug 12, 1:38 PM MST	Flash Flood Warning Considerable damage threat	FGZ	Coconino, Navajo	4 hr
Aug 12, 1:43 PM MST	Special Weather Statement	FGZ	Coconino	32 min
Aug 12, 1:58 PM MST	Special Weather Statement	FGZ		32 min
Aug 12, 2:17 PM MST	Flash Flood Warning Considerable damage threat	FGZ	Coconino	4 hr
Aug 12, 2:45 PM MST	Severe Thunderstorm Warning	FGZ	Coconino, Gila	45 min
Aug 12, 3:13 PM MST	Flash Flood Warning Considerable damage threat	FGZ	Coconino, Gila	3 hr
Aug 12, 3:22 PM MST	Flash Flood Warning Considerable damage threat	FGZ	Coconino	3 hr
Aug 12, 3:42 PM MST	Special Weather Statement	FGZ		33 min
Aug 12, 4:40 PM MST	Flash Flood Warning Considerable damage threat	FGZ	Coconino	3 hr

Nearby

Severe Thunderstorm Warnings in Arizona, 2024 Every severe thunderstorm warning in 2024

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.