Alert archive / Utah / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 46, NWS Salt Lake City, UT

August 9, 2024Box Elder County, Cache County, Utah

NWS Salt Lake City, UT issued this severe thunderstorm warning at Aug 9, 2024, 2:37 PM MDT for Box Elder County, Cache County, Utah. It was in force for 23 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 9, 2024, 2:37 PM MDT (20:37 UTC)
Expired: Aug 9, 2024, 3:00 PM MDT
In force: 23 min
Issued by: NWS Salt Lake City, UT
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Box Elder County, UT, Cache County, UT

The radar

The Salt Lake City radar (KMTX), 40 km from the middle of the area, began a volume at 20:41 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 Salt Lake City, UT wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 9, 4:34 AM MDT, 10 hours 3 minutes earlier.

Area forecast discussion, Aug 9, 4:34 AM MDT, 10 hours 3 minutes before

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<body>
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    <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.
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      <p id="message2">
        Please try again in a few minutes.
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      <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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In the hours before

Local storm report, Aug 9, 10:13 AM MDT, 4 hours 24 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>

Special weather statement, Aug 9, 2:30 PM MDT, 7 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 Salt Lake City, UT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 8, 6:33 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane, Washington	3 hr
Aug 9, 2:47 PM MDT	Special Weather Statement	SLC	Juab, Tooele	58 min
Aug 9, 2:57 PM MDT	Severe Thunderstorm Warning	SLC	Cache, Rich	23 min
Aug 9, 3:39 PM MDT	Special Weather Statement	SLC		51 min
Aug 9, 3:43 PM MDT	Special Weather Statement	SLC	Juab, Tooele	62 min
Aug 9, 3:54 PM MDT	Special Weather Statement	SLC	Cache	36 min
Aug 9, 4:38 PM MDT	Special Weather Statement	SLC	Davis	52 min
Aug 9, 4:42 PM MDT	Special Weather Statement	SLC	Juab	63 min
Aug 9, 5:31 PM MDT	Special Weather Statement	SLC	Davis	59 min
Aug 9, 5:57 PM MDT	Severe Thunderstorm Warning	SLC	Davis, Morgan, Salt Lake, Weber	48 min

Nearby

Severe Thunderstorm Warnings in Utah, 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.