Alert archive / Illinois / River Flood Warnings in 2018

River Flood Warning 93, NWS Chicago, IL

June 23, 2018DuPage County, Illinois

NWS Chicago, IL issued this river flood warning at Jun 23, 2018, 9:46 AM CDT for DuPage County, Illinois. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Jun 23, 2018, 9:46 AM CDT (14:46 UTC)
Expired: Jun 23, 2018, 4:37 PM CDT
In force: 7 hr
Issued by: NWS Chicago, IL
Area: Storm-based polygon
Flood severity: Minor

County DuPage County, IL

The radar

The Chicago radar (KLOT), 28 km from the middle of the area, began a volume at 14:45 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 West Branch Du Page River near Warrenville (WRNI2). The gauge peaked at 11.67 ft at Jun 23, 2018, 10:00 AM CDT.

Action stage: 11 ft
Minor stage: 12.5 ft
Moderate stage: 14.5 ft
Major stage: 17.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05540095, 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 Jun 22, 6:53 PM CDT, 14 hours 53 minutes earlier.

Area forecast discussion, Jun 22, 6:53 PM CDT, 14 hours 53 minutes before

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Hazardous weather outlook, Jun 22, 3:56 PM CDT, 17 hours 50 minutes before

<!doctype html>
<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>
    </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
Jun 22, 8:29 PM CDT	River Flood Advisory	LOT	Will	14 hr
Jun 22, 8:29 PM CDT	River Flood Advisory	LOT	Ogle	4 days
Jun 22, 8:53 PM CDT	River Flood Warning	LOT	Lake	38 hr
Jun 22, 8:29 PM CDT	River Flood Advisory	LOT	Newton	71 hr

Nearby

River Flood Warnings in Illinois, 2018 Every river flood warning in 2018

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.