Alert archive / Montana / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 88, NWS Great Falls, MT

August 18, 2024Beaverhead County, Montana

NWS Great Falls, MT issued this severe thunderstorm warning at Aug 18, 2024, 5:14 PM MDT for Beaverhead County, Montana. It was in force for 31 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 18, 2024, 5:14 PM MDT (23:14 UTC)
Expired: Aug 18, 2024, 5:45 PM MDT
In force: 31 min
Issued by: NWS Great Falls, MT
Area: Storm-based polygon
Damage threat: Considerable
Hail: 0.88 in
Wind: 70.0 mph

County Beaverhead County, MT

The radar

The Pocatello radar (KSFX), 226 km from the middle of the area, began a volume at 23:17 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 Great Falls, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 18, 1:34 PM MDT, 3 hours 40 minutes earlier.

Area forecast discussion, Aug 18, 1:34 PM MDT, 3 hours 40 minutes before

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In the hours before

Special weather statement, Aug 18, 4:41 PM MDT, 33 minutes before

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<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>
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Special weather statement, Aug 18, 4:47 PM MDT, 27 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 Great Falls, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 18, 4:41 PM MDT	Special Weather Statement	TFX		64 min
Aug 18, 4:47 PM MDT	Special Weather Statement	TFX	Ravalli	58 min
Aug 18, 5:43 PM MDT	Special Weather Statement	TFX	Silver Bow	47 min
Aug 18, 5:54 PM MDT	Special Weather Statement	TFX	Teton	51 min

Nearby

Severe Thunderstorm Warnings in Montana, 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.