Alert archive / Montana / Winter Storm Warnings in 2010

Winter Storm Warning 29, NWS Missoula, MT

May 23, 20104 counties in Montana

NWS Missoula, MT issued this winter storm warning at May 23, 2010, 2:13 PM MDT for 4 counties in Montana. It took effect at May 24, 2010, 12:00 AM MDT. It was in force for 17 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 23, 2010, 2:13 PM MDT (20:13 UTC)
In effect from: May 24, 2010, 12:00 AM MDT
Expired: May 24, 2010, 4:35 PM MDT
In force: 17 hr
Issued by: NWS Missoula, MT

Counties Deer Lodge County, MT, Granite County, MT, Powell County, MT, Silver Bow County, MT

The radar

The Missoula radar (KMSX), 110 km from the middle of the area, began a volume at 20:17 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 winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Missoula, MT wrote its last area forecast discussion before this winter storm warning went out at May 23, 5:59 AM MDT, 8 hours 14 minutes earlier.

Area forecast discussion, May 23, 5:59 AM MDT, 8 hours 14 minutes before

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In the hours before

Local storm report, May 23, 9:12 AM MDT, 5 hours 1 minute 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 Missoula, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 22, 9:00 PM MDT	Winter Storm Warning	MSO	Deer Lodge, Granite, Powell, Silver Bow	9 hr
May 23, 4:07 AM MDT	Winter Storm Watch	MSO	Deer Lodge, Granite, Powell, Silver Bow	10 hr
May 23, 2:13 PM MDT	Winter Weather Advisory	MSO	Lemhi	26 hr

Nearby

Winter Storm Warnings in Montana, 2010 Every winter storm warning in 2010

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.