Alert archive / Illinois / River Flood Warnings in 2011

River Flood Warning 22, NWS Chicago, IL

April 22, 2011Lake County, Illinois

NWS Chicago, IL issued this river flood warning at Apr 22, 2011, 10:38 AM CDT for Lake County, Illinois. It took effect at Apr 22, 2011, 7:00 PM CDT. It was in force for 3 days.

The area

The counties it named.

The facts

Issued: Apr 22, 2011, 10:38 AM CDT (15:38 UTC)
In effect from: Apr 22, 2011, 7:00 PM CDT
Expired: Apr 25, 2011, 9:06 PM CDT
In force: 3 days
Issued by: NWS Chicago, IL
Flood severity: Minor

County Lake County, IL

The radar

The Chicago radar (KLOT), 85 km from the middle of the area, began a volume at 15:41 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 Des Plaines River at Lincolnshire (LDRI2). The gauge peaked at 11.76 ft at Apr 26, 2011, 9:00 PM CDT.

Action stage: 11.5 ft
Minor stage: 12.5 ft
Moderate stage: 14 ft
Major stage: 15.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05528100, 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 22, 9:24 AM CDT, 1 hour 14 minutes earlier.

Area forecast discussion, Apr 22, 9:24 AM CDT, 1 hour 14 minutes before

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Hazardous weather outlook, Apr 22, 4:27 AM CDT, 6 hours 11 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 Chicago, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 22, 11:16 AM CDT	River Flood Advisory	LOT	Cook	35 hr
Apr 22, 1:43 PM CDT	Areal Flood Warning	LOT	Ford, Iroquois, Livingston	8 hr
Apr 22, 4:58 PM CDT	Special Weather Statement	LOT	DuPage, Kane	32 min
Apr 22, 5:30 PM CDT	Special Weather Statement	LOT	DuPage	30 min
Apr 22, 6:18 PM CDT	Special Weather Statement	LOT	Lake	27 min

Nearby

River Flood Warnings in Illinois, 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.