Alert archive / Montana / River Flood Watches in 2011

River Flood Watch 5, NWS Great Falls, MT

May 21, 2011

NWS Great Falls, MT issued this river flood watch at May 21, 2011, 10:09 AM MDT. It took effect at May 22, 2011, 6:00 PM MDT. It was in force for .

The area

The counties it named.

The facts

Issued: May 21, 2011, 10:09 AM MDT (16:09 UTC)
In effect from: May 22, 2011, 6:00 PM MDT
Expired: May 22, 2011, 10:05 AM MDT
In force
Issued by: NWS Great Falls, MT
Flood severity: None

The river

Written for the forecast point Gallatin River at Logan (LOGM8). The gauge peaked at 7.37 ft at May 21, 2011, 11:00 PM MDT.

Action stage: 8 ft
Minor stage: 9 ft
Moderate stage: 10 ft
Major stage: 11 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06052500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood watch 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 river flood watch went out at May 20, 5:45 PM MDT, 16 hours 24 minutes earlier.

Area forecast discussion, May 20, 5:45 PM MDT, 16 hours 24 minutes before

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<body>
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    <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.
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Hazardous weather outlook, May 20, 3:51 PM MDT, 18 hours 18 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
May 21, 8:59 AM MDT	Areal Flood Warning	TFX	Cascade, Chouteau, Fergus, Judith Basin	6 hr
May 21, 3:25 PM MDT	Areal Flood Warning	TFX	Blaine, Cascade, Chouteau, Fergus, Judith Basin	48 hr

Nearby

River Flood Watches in Montana, 2011 Every river flood watch in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the gauge from the NWS water service and the USGS.