Alert archive / Illinois / River Flood Warnings in 2020

River Flood Warning 33, NWS Chicago, IL

March 29, 2020Lake County, Illinois

NWS Chicago, IL issued this river flood warning at Mar 29, 2020, 4:58 AM CDT for Lake County, Illinois. It took effect at Mar 29, 2020, 5:17 AM CDT. It was in force for 30 hr.

The area

The counties it named.

The facts

Issued: Mar 29, 2020, 4:58 AM CDT (09:58 UTC)
In effect from: Mar 29, 2020, 5:17 AM CDT
Expired: Mar 30, 2020, 11:00 AM CDT
In force: 30 hr
Issued by: NWS Chicago, IL
Area: Storm-based polygon
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 10:01 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 12.54 ft at Mar 29, 2020, 11:00 AM 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 Mar 29, 3:50 AM CDT, 1 hour 8 minutes earlier.

Area forecast discussion, Mar 29, 3:50 AM CDT, 1 hour 8 minutes before

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    <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.
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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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Hazardous weather outlook, Mar 29, 4:14 AM CDT, 44 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.
      </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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In the hours before

Special weather statement, Mar 28, 11:41 PM CDT, 5 hours 17 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.
      </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, Mar 29, 12:03 AM CDT, 4 hours 55 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>
    </section>
  </main>
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Local storm report, Mar 29, 12:06 AM CDT, 4 hours 52 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>

Local storm report, Mar 29, 4:12 AM CDT, 46 minutes before

<!doctype html>
<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 Chicago, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 28, 7:01 PM CDT	Severe Thunderstorm Warning	LOT	Boone, Ogle, Winnebago	29 min
Mar 28, 8:53 PM CDT	Tornado Warning	LOT	Lee, Ogle	37 min
Mar 28, 9:19 PM CDT	Tornado Warning	LOT	Ogle, Winnebago	26 min
Mar 28, 11:37 PM CDT	Special Marine Warning	LOT		53 min
Mar 28, 11:41 PM CDT	Special Weather Statement	LOT	Cook	19 min
Mar 29, 12:36 AM CDT	River Flood Warning	LOT	Bureau, LaSalle, Putnam	5 days
Mar 29, 4:58 AM CDT	River Flood Warning	LOT	Cook	30 hr
Mar 29, 8:25 AM CDT	River Flood Advisory	LOT	LaSalle	47 hr
Mar 29, 10:17 AM CDT	River Flood Advisory	LOT	Winnebago	6 days

Nearby

River Flood Warnings in Illinois, 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.