Alert archive / Montana / Winter Storm Warnings in 2023

Winter Storm Warning 7, NWS Great Falls, MT

March 13, 202317 counties in Montana

NWS Great Falls, MT issued this winter storm warning at Mar 13, 2023, 1:59 PM MDT for 17 counties in Montana. It took effect at Mar 14, 2023, 6:00 AM MDT. It was in force for 38 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: Mar 13, 2023, 1:59 PM MDT (19:59 UTC)
In effect from: Mar 14, 2023, 6:00 AM MDT
Expired: Mar 15, 2023, 8:12 PM MDT
In force: 38 hr
Issued by: NWS Great Falls, MT

Counties Beaverhead County, MT, Blaine County, MT, Broadwater County, MT, Cascade County, MT, Chouteau County, MT, Fergus County, MT, Gallatin County, MT, Glacier County, MT, Hill County, MT, Judith Basin County, MT, Lewis and Clark County, MT, Liberty County, MT, Madison County, MT, Meagher County, MT, Pondera County, MT, Teton County, MT, Toole County, MT

The radar

The Great Falls radar (KTFX), 18 km from the middle of the area, began a volume at 19:56 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 Great Falls, MT wrote its last area forecast discussion before this winter storm warning went out at Mar 13, 11:45 AM MDT, 2 hours 14 minutes earlier.

Area forecast discussion, Mar 13, 11:45 AM MDT, 2 hours 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 Great Falls, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 13, 3:09 AM MDT	Winter Storm Watch	TFX	Beaverhead, Gallatin, Madison	11 hr
Mar 13, 3:26 AM MDT	High Wind Warning	TFX	Beaverhead, Cascade, Fergus, Gallatin, Glacier, Judith Basin and 5 more	33 hr
Mar 13, 1:59 PM MDT	Winter Storm Watch	TFX	Beaverhead, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 7 more	11 hr
Mar 13, 1:59 PM MDT	Winter Weather Advisory	TFX	Beaverhead, Glacier, Pondera	19 hr

Nearby

Winter Storm Warnings in Montana, 2023 Every winter storm 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.