Alert archive / Wyoming / River Flood Warnings in 2019

River Flood Warning 3, NWS Cheyenne, WY

June 21, 2019Carbon County, Wyoming

NWS Cheyenne, WY issued this river flood warning at Jun 21, 2019, 10:30 AM MDT for Carbon County, Wyoming. It took effect at Jun 22, 2019, 6:00 PM MDT. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued: Jun 21, 2019, 10:30 AM MDT (16:30 UTC)
In effect from: Jun 22, 2019, 6:00 PM MDT
Expired: Jun 22, 2019, 8:23 PM MDT
In force: 2 hr
Issued by: NWS Cheyenne, WY
Area: Storm-based polygon
Flood severity: Minor

County Carbon County, WY

The radar

The Cheyenne radar (KCYS), 187 km from the middle of the area, began a volume at 16:30 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 North Platte River near Sinclair (SINW4). The gauge peaked at 8.80 ft at Jun 22, 2019, 4:00 PM MDT.

Action stage: 8.5 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 06630000, 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 Cheyenne, WY wrote its last area forecast discussion before this river flood warning went out at Jun 21, 5:57 AM MDT, 4 hours 33 minutes earlier.

Area forecast discussion, Jun 21, 5:57 AM MDT, 4 hours 33 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>

Hazardous weather outlook, Jun 21, 4:29 AM MDT, 6 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 Cheyenne, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 20, 7:04 PM MDT	Special Weather Statement	CYS	Niobrara	41 min
Jun 20, 6:12 PM MDT	Special Weather Statement	CYS	Box Butte	48 min
Jun 20, 6:32 PM MDT	Special Weather Statement	CYS	Sioux	43 min
Jun 20, 6:48 PM MDT	Special Weather Statement	CYS	Kimball	42 min
Jun 20, 6:58 PM MDT	Severe Thunderstorm Warning	CYS	Dawes, Sioux	47 min
Jun 20, 7:27 PM MDT	Severe Thunderstorm Warning	CYS	Dawes, Sioux	33 min
Jun 20, 7:58 PM MDT	Special Weather Statement	CYS	Dawes	17 min

Nearby

River Flood Warnings in Wyoming, 2019 Every river flood warning in 2019

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.