Alert archive / Illinois / River Flood Warnings in 2008

River Flood Warning 71, NWS Chicago, IL

April 11, 2008Ogle County, Illinois

NWS Chicago, IL issued this river flood warning at Apr 11, 2008, 4:38 AM CDT for Ogle County, Illinois. It took effect at Apr 11, 2008, 8:59 AM CDT. It was in force for 6 days.

The area

The counties it named.

The facts

Issued: Apr 11, 2008, 4:38 AM CDT (09:38 UTC)
In effect from: Apr 11, 2008, 8:59 AM CDT
Expired: Apr 17, 2008, 7:00 PM CDT
In force: 6 days
Issued by: NWS Chicago, IL
Flood severity: Moderate

County Ogle County, IL

The radar

The Chicago radar (KLOT), 113 km from the middle of the area, began a volume at 09:41 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 Rock River at Byron (BYRI2). The gauge peaked at 13.83 ft at Apr 13, 2008, 2:00 AM CDT.

Action stage: 10.5 ft
Minor stage: 13 ft
Moderate stage: 14 ft
Major stage: 16 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05440700, 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 Chicago, IL wrote its last area forecast discussion before this river flood warning went out at Apr 11, 3:13 AM CDT, 1 hour 25 minutes earlier.

Area forecast discussion, Apr 11, 3:13 AM CDT, 1 hour 25 minutes before

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Hazardous weather outlook, Apr 11, 3:56 AM CDT, 42 minutes before

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<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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In the hours before

Local storm report, Apr 11, 3:09 AM CDT, 1 hour 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.
      </p>
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  </main>
  <script src="index.js"></script>
</body>
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The office that day

Everything else NWS Chicago, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 10, 10:58 PM CDT	River Flood Advisory	LOT	Boone	4 days
Apr 10, 11:17 PM CDT	River Flood Warning	LOT	Cook	6 days
Apr 10, 11:31 PM CDT	River Flood Advisory	LOT	Cook	3 days
Apr 11, 4:31 AM CDT	River Flood Warning	LOT	Boone	2 hr
Apr 11, 5:03 AM CDT	River Flood Warning	LOT	Cook	4 hr
Apr 11, 5:17 AM CDT	River Flood Warning	LOT	Kankakee	4 hr
Apr 11, 5:55 AM CDT	River Flood Warning	LOT	LaSalle	22 hr
Apr 11, 8:58 AM CDT	River Flood Warning	LOT	Winnebago	50 hr
Apr 11, 10:05 AM CDT	Wind Advisory	LOT	DuPage, Ford, Grundy, Iroquois, Kankakee, Kendall and 2 more	10 hr
Apr 11, 10:53 AM CDT	River Flood Warning	LOT	Bureau, LaSalle	6 days
Apr 11, 5:17 AM CDT	River Flood Warning	LOT	Porter	3 days
Apr 11, 5:17 AM CDT	River Flood Warning	LOT	Jasper, Porter	3 days

Nearby

River Flood Warnings in Illinois, 2008 Every river flood warning in 2008

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.