Alert archive / Colorado / River Flood Advisories in 2017

River Flood Advisory 5, NWS Denver/Boulder, CO

May 26, 2017Weld County, Colorado

NWS Denver/Boulder, CO issued this river flood advisory at May 26, 2017, 7:27 AM MDT for Weld County, Colorado. It was in force for 4 days.

The area

The counties it named.

The facts

Issued: May 26, 2017, 7:27 AM MDT (13:27 UTC)
Expired: May 30, 2017, 2:56 AM MDT
In force: 4 days
Issued by: NWS Denver/Boulder, CO
Area: Storm-based polygon

County Weld County, CO

The radar

The Cheyenne radar (KCYS), 75 km from the middle of the area, began a volume at 13:25 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 Cache La Poudre River (CO) near Greeley (GRPC2).

Action stage: 7 ft
Minor stage: 8 ft
Moderate stage: 9.5 ft
Major stage: 10.5 ft

This gauge today: stage, forecast and historic crests

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

NWS Denver/Boulder, CO wrote its last area forecast discussion before this river flood advisory went out at May 26, 3:26 AM MDT, 4 hours 1 minute earlier.

Area forecast discussion, May 26, 3:26 AM MDT, 4 hours 1 minute before

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Hazardous weather outlook, May 26, 3:58 AM MDT, 3 hours 29 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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</body>
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The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 25, 6:30 PM MDT	Special Weather Statement	BOU	Weld	45 min
May 25, 6:46 PM MDT	Severe Thunderstorm Warning	BOU	Morgan, Weld	44 min
May 25, 7:13 PM MDT	Special Weather Statement	BOU	Adams, Morgan	47 min
May 25, 7:17 PM MDT	Special Weather Statement	BOU	Adams, Morgan	43 min
May 25, 7:30 PM MDT	Severe Thunderstorm Warning	BOU	Logan, Morgan, Washington, Weld	31 min
May 25, 7:54 PM MDT	Special Weather Statement	BOU	Morgan, Washington	36 min
May 25, 7:55 PM MDT	Special Weather Statement	BOU	Morgan, Washington	35 min
May 26, 1:16 PM MDT	Special Weather Statement	BOU	Denver	44 min
May 26, 2:01 PM MDT	Special Weather Statement	BOU	Adams, Arapahoe	59 min
May 26, 2:21 PM MDT	Severe Thunderstorm Warning	BOU	Weld	13 min
May 26, 2:32 PM MDT	Special Weather Statement	BOU	Adams	43 min
May 26, 3:12 PM MDT	Special Weather Statement	BOU	Morgan	48 min
May 26, 3:14 PM MDT	Severe Thunderstorm Warning	BOU	Adams, Morgan, Washington	46 min
May 26, 4:09 PM MDT	Severe Thunderstorm Warning	BOU	Morgan, Washington	36 min
May 26, 4:19 PM MDT	Tornado Warning	BOU	Washington	26 min
May 26, 4:48 PM MDT	Severe Thunderstorm Warning	BOU	Washington	42 min
May 26, 4:53 PM MDT	Severe Thunderstorm Warning	BOU	Douglas, Elbert	52 min
May 26, 5:10 PM MDT	Tornado Warning	BOU	Washington	35 min
May 26, 5:23 PM MDT	Special Weather Statement	BOU	Elbert	52 min
May 26, 5:46 PM MDT	Special Weather Statement	BOU	Morgan	44 min

Nearby

River Flood Advisories in Colorado, 2017 Every river flood advisory in 2017

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.