Alert archive / Montana / River Flood Warnings in 2011

River Flood Warning 4, NWS Billings, MT

May 22, 2011Rosebud County, Treasure County, Montana

NWS Billings, MT issued this river flood warning at May 22, 2011, 7:42 AM MDT for Rosebud County, Treasure County, Montana. It took effect at May 25, 2011, 1:57 PM MDT. It was in force for 4 days.

The area

The counties it named.

The facts

Issued: May 22, 2011, 7:42 AM MDT (13:42 UTC)
In effect from: May 25, 2011, 1:57 PM MDT
Expired: May 29, 2011, 10:53 AM MDT
In force: 4 days
Issued by: NWS Billings, MT
Flood severity: Moderate

Counties Rosebud County, MT, Treasure County, MT

The radar

The Billings radar (KBLX), 130 km from the middle of the area, began a volume at 13:44 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.

The river

Written for the forecast point Yellowstone River at Forsyth (FRYM8).

Minor stage: 14 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06295000, 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 warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Billings, MT wrote its last area forecast discussion before this river flood warning went out at May 22, 3:36 AM MDT, 4 hours 6 minutes earlier.

Area forecast discussion, May 22, 3:36 AM MDT, 4 hours 6 minutes before

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Hazardous weather outlook, May 22, 4:08 AM MDT, 3 hours 34 minutes before

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<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.
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    </section>
  </main>
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</body>
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The office that day

Everything else NWS Billings, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 21, 11:15 PM MDT	Areal Flood Warning	BYZ	Yellowstone	36 hr
May 22, 7:33 AM MDT	Areal Flood Warning	BYZ	Musselshell, Yellowstone	28 hr
May 22, 7:42 AM MDT	River Flood Warning	BYZ	Custer	7 days
May 22, 9:34 AM MDT	Areal Flood Warning	BYZ	Carter, Fallon	5 days
May 22, 9:03 AM MDT	Areal Flood Warning	BYZ	Sheridan	36 hr

Nearby

River Flood Warnings in Montana, 2011 Every river flood warning 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.