Alert archive / Michigan / River Flood Warnings in 2011

River Flood Warning 42, NWS Detroit, MI

September 12, 2011Livingston County, Michigan

NWS Detroit, MI issued this river flood warning at Sep 12, 2011, 3:38 PM EDT for Livingston County, Michigan. It took effect at Sep 13, 2011, 8:15 AM EDT. It was in force for 4 days.

The area

The counties it named.

The facts

Issued: Sep 12, 2011, 3:38 PM EDT (19:38 UTC)
In effect from: Sep 13, 2011, 8:15 AM EDT
Expired: Sep 16, 2011, 10:05 PM EDT
In force: 4 days
Issued by: NWS Detroit, MI
Flood severity: Minor

County Livingston County, MI

The radar

The Detroit radar (KDTX), 38 km from the middle of the area, began a volume at 19:41 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 Huron River at Hamburg (HMGM4).

Action stage: 6.5 ft
Minor stage: 7 ft
Moderate stage: 7.5 ft
Major stage: 8 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 04172000, 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 Sep 12, 2:01 PM EDT, 1 hour 37 minutes earlier.

Area forecast discussion, Sep 12, 2:01 PM EDT, 1 hour 37 minutes before

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Hazardous weather outlook, Sep 12, 4:58 AM EDT, 10 hours 40 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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The office that day

Everything else NWS Detroit, MI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 12, 4:23 AM EDT	Gale Watch	DTX		24 hr
Sep 12, 3:57 PM EDT	Small Craft Advisory	DTX		24 hr

Nearby

River Flood Warnings in Michigan, 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.