Alert archive / Montana / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 39, NWS Great Falls, MT

July 30, 20234 counties in Montana

NWS Great Falls, MT issued this severe thunderstorm warning at Jul 30, 2023, 8:42 PM MDT for 4 counties in Montana. It was in force for 48 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: Jul 30, 2023, 8:42 PM MDT (02:42 UTC)
Expired: Jul 30, 2023, 9:30 PM MDT
In force: 48 min
Issued by: NWS Great Falls, MT
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Cascade County, MT, Chouteau County, MT, Fergus County, MT, Judith Basin County, MT

The radar

The Great Falls radar (KTFX), 81 km from the middle of the area, began a volume at 02:44 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.

In the hours before

Local storm report, Jul 30, 8:08 PM MDT, 34 minutes before

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Local storm report, Jul 30, 8:09 PM MDT, 33 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.
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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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Special weather statement, Jul 30, 8:19 PM MDT, 23 minutes before

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<html lang="en">
<head>
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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>
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Special weather statement, Jul 30, 8:22 PM MDT, 20 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>

Local storm report, Jul 30, 8:32 PM MDT, 10 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, Jul 30, 8:36 PM MDT, 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 Great Falls, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 30, 6:15 PM MDT	Special Weather Statement	TFX	Liberty	30 min
Jul 30, 6:32 PM MDT	Special Weather Statement	TFX	Fergus	28 min
Jul 30, 6:48 PM MDT	Special Weather Statement	TFX	Hill	27 min
Jul 30, 6:54 PM MDT	Special Weather Statement	TFX	Fergus	36 min
Jul 30, 7:04 PM MDT	Severe Thunderstorm Warning Considerable damage threat	TFX	Hill	26 min
Jul 30, 7:12 PM MDT	Special Weather Statement	TFX	Cascade	33 min
Jul 30, 7:29 PM MDT	Severe Thunderstorm Warning Considerable damage threat	TFX	Hill	31 min
Jul 30, 7:46 PM MDT	Special Weather Statement	TFX	Cascade	29 min
Jul 30, 7:59 PM MDT	Severe Thunderstorm Warning	TFX	Cascade, Chouteau, Judith Basin	46 min
Jul 30, 8:00 PM MDT	Severe Thunderstorm Warning	TFX	Blaine, Hill	30 min
Jul 30, 8:16 PM MDT	Severe Thunderstorm Warning	TFX	Chouteau, Fergus, Judith Basin	44 min
Jul 30, 8:19 PM MDT	Special Weather Statement	TFX	Petroleum	26 min
Jul 30, 8:22 PM MDT	Special Weather Statement	TFX	Chouteau	23 min
Jul 30, 8:25 PM MDT	Severe Thunderstorm Warning	TFX	Blaine	50 min
Jul 30, 8:36 PM MDT	Special Weather Statement	TFX	Blaine	24 min
Jul 30, 8:56 PM MDT	Severe Thunderstorm Warning	TFX	Chouteau, Fergus	49 min
Jul 30, 9:03 PM MDT	Special Weather Statement	TFX	Blaine	27 min
Jul 30, 9:13 PM MDT	Severe Thunderstorm Warning	TFX	Blaine	47 min
Jul 30, 9:22 PM MDT	Severe Thunderstorm Warning	TFX	Blaine, Chouteau, Hill	38 min
Jul 30, 10:01 PM MDT	Special Weather Statement	TFX	Blaine	44 min

Nearby

Severe Thunderstorm Warnings in Montana, 2023 Every severe thunderstorm warning in 2023

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.