Alert archive / Michigan / River Flood Warnings in 2020

River Flood Warning 18, NWS Detroit, MI

May 18, 2020Bay County, Saginaw County, Michigan

NWS Detroit, MI issued this river flood warning at May 18, 2020, 1:14 PM EDT for Bay County, Saginaw County, Michigan. It was in force for 9 days.

The area

The counties it named.

The facts

Issued: May 18, 2020, 1:14 PM EDT (17:14 UTC)
Expired: May 27, 2020, 5:09 PM EDT
In force: 9 days
Issued by: NWS Detroit, MI
Area: Storm-based polygon
Flood severity: Moderate

Counties Bay County, MI, Saginaw County, MI

The radar

The Detroit radar (KDTX), 101 km from the middle of the area, began a volume at 17:14 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 Saginaw River at Saginaw (SAGM4).

Action stage: 16 ft
Minor stage: 17 ft
Moderate stage: 19 ft
Major stage: 24 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 04157000, 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 Detroit, MI wrote its last area forecast discussion before this river flood warning went out at May 18, 6:01 AM EDT, 7 hours 13 minutes earlier.

Area forecast discussion, May 18, 6:01 AM EDT, 7 hours 13 minutes before

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Hazardous weather outlook, May 17, 3:41 PM EDT, 21 hours 33 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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In the hours before

Local storm report, May 18, 7:28 AM EDT, 5 hours 46 minutes before

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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <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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Local storm report, May 18, 8:31 AM EDT, 4 hours 43 minutes before

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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.
      </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>
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Local storm report, May 18, 10:59 AM EDT, 2 hours 15 minutes before

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<html lang="en">
<head>
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  <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 Detroit, MI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 18, 7:06 AM EDT	Special Weather Statement	DTX	Bay, Huron, Midland	114 min
May 18, 10:38 AM EDT	Areal Flood Warning	DTX	Bay, Midland, Saginaw	24 hr
May 18, 1:14 PM EDT	River Flood Warning	DTX	Midland, Saginaw	4 days
May 18, 3:26 PM EDT	River Flood Warning	DTX	Saginaw, Shiawassee	48 hr
May 18, 5:04 PM EDT	Special Weather Statement	DTX	Bay, Lapeer, Tuscola	56 min
May 18, 5:20 PM EDT	Special Weather Statement	DTX	Lenawee, Livingston, Monroe, Washtenaw, Wayne	55 min
May 18, 6:45 PM EDT	Special Weather Statement	DTX	Lenawee	60 min

Nearby

River Flood Warnings in Michigan, 2020 Every river flood warning in 2020

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.