Alert archive / Montana / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 39, NWS Glasgow, MT

July 6, 2020McCone County, Montana

NWS Glasgow, MT issued this severe thunderstorm warning at Jul 6, 2020, 1:34 PM MDT for McCone County, Montana. It was in force for 28 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 6, 2020, 1:34 PM MDT (19:34 UTC)
Expired
Jul 6, 2020, 2:02 PM MDT
In force
28 min
Issued by
NWS Glasgow, MT
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County McCone County, MT

The radar

The Glasgow radar (KGGW), 88 km from the middle of the area, began a volume at 19:33 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 Glasgow, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 6, 10:41 AM MDT, 2 hours 53 minutes earlier.

Area forecast discussion, Jul 6, 10:41 AM MDT, 2 hours 53 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.
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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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    </section>
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In the hours before

Special weather statement, Jul 6, 12:52 PM MDT, 42 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 6, 1:20 PM MDT, 14 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 Glasgow, MT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 6, 12:52 PM MDTSpecial Weather StatementGGWGarfield53 min
Jul 6, 1:20 PM MDTSpecial Weather StatementGGWDawson40 min
Jul 6, 1:48 PM MDTSpecial Weather StatementGGWWibaux42 min
Jul 6, 2:21 PM MDTSpecial Weather StatementGGWDawson39 min
Jul 6, 2:22 PM MDTSpecial Weather StatementGGWMcCone53 min
Jul 6, 3:20 PM MDTSpecial Weather StatementGGWRichland55 min
Jul 6, 3:24 PM MDTSpecial Weather StatementGGWValley51 min
Jul 6, 3:31 PM MDTSpecial Weather StatementGGW59 min
Jul 6, 3:32 PM MDTSevere Thunderstorm WarningGGWDawson, McCone, Richland, Roosevelt58 min
Jul 6, 3:45 PM MDTSpecial Weather StatementGGWRichland45 min
Jul 6, 4:08 PM MDTSpecial Weather StatementGGWMcCone52 min
Jul 6, 4:18 PM MDTSevere Thunderstorm WarningGGWMcCone57 min
Jul 6, 4:19 PM MDTSpecial Weather StatementGGWValley56 min
Jul 6, 4:29 PM MDTSevere Thunderstorm WarningGGWDaniels, Valley61 min
Jul 6, 5:11 PM MDTAreal Flood AdvisoryGGWMcCone105 min
Jul 6, 5:16 PM MDTSpecial Weather StatementGGWMcCone44 min
Jul 6, 5:40 PM MDTSpecial Weather StatementGGW65 min
Jul 6, 5:58 PM MDTSevere Thunderstorm WarningGGWPhillips34 min

Nearby

Severe Thunderstorm Warnings in Montana, 2020Every severe thunderstorm warning in 2020

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.