Alert archive / Montana / River Flood Warnings in 2011

River Flood Warning 17, NWS Billings, MT

June 23, 2011Sweet Grass County, Montana

NWS Billings, MT issued this river flood warning at Jun 23, 2011, 1:50 PM MDT for Sweet Grass County, Montana. It took effect at Jun 23, 2011, 6:00 PM MDT. It was in force for 63 hr.

The area

The counties it named.

The facts

Issued: Jun 23, 2011, 1:50 PM MDT (19:50 UTC)
In effect from: Jun 23, 2011, 6:00 PM MDT
Expired: Jun 26, 2011, 8:59 AM MDT
In force: 63 hr
Issued by: NWS Billings, MT
Flood severity: Minor

County Sweet Grass County, MT

The radar

The Billings radar (KBLX), 103 km from the middle of the area, began a volume at 19:49 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 Boulder River at Big Timber (BTMM8).

Minor stage: 8 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06200000, 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 Jun 23, 10:38 AM MDT, 3 hours 12 minutes earlier.

Area forecast discussion, Jun 23, 10:38 AM MDT, 3 hours 12 minutes before

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  <title>Service Notice</title>
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</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.
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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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  <script src="index.js"></script>
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Hazardous weather outlook, Jun 23, 10:03 AM MDT, 3 hours 47 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 Billings, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 23, 1:30 PM MDT	River Flood Warning	BYZ	Carbon	17 days
Jun 23, 3:17 PM MDT	River Flood Warning	BYZ	Stillwater, Yellowstone	15 days
Jun 23, 3:17 PM MDT	River Flood Warning	BYZ	Rosebud, Treasure	19 days
Jun 23, 3:17 PM MDT	River Flood Warning	BYZ	Custer	18 days
Jun 23, 3:29 PM MDT	Special Weather Statement	BYZ	Carbon	61 min
Jun 23, 4:29 PM MDT	Special Weather Statement	BYZ		61 min
Jun 23, 4:57 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn, Carbon	46 min
Jun 23, 5:07 PM MDT	Special Weather Statement	BYZ	Sweet Grass	53 min
Jun 23, 5:34 PM MDT	Special Weather Statement	BYZ	Yellowstone	56 min
Jun 23, 1:30 PM MDT	Areal Flood Warning	BYZ	Sheridan	8 days
Jun 23, 5:48 PM MDT	Special Weather Statement	BYZ	Sheridan	57 min

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.