Alert archive / Illinois / River Flood Warnings in 2017

River Flood Warning 88, NWS Chicago, IL

June 18, 2017Iroquois County, Illinois

NWS Chicago, IL issued this river flood warning at Jun 18, 2017, 8:52 PM CDT for Iroquois County, Illinois. It took effect at Jun 19, 2017, 1:00 AM CDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: Jun 18, 2017, 8:52 PM CDT (01:52 UTC)
In effect from: Jun 19, 2017, 1:00 AM CDT
Expired: Jun 19, 2017, 1:00 PM CDT
In force: 12 hr
Issued by: NWS Chicago, IL
Area: Storm-based polygon
Flood severity: Minor

County Iroquois County, IL

The radar

The Chicago radar (KLOT), 98 km from the middle of the area, began a volume at 01:55 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 Sugar Creek (E-IL) at Milford (MILI2). The gauge peaked at 17.49 ft at Jun 19, 2017, 2:00 AM CDT.

Action stage: 15 ft
Minor stage: 18 ft
Moderate stage: 22 ft
Major stage: 26 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05525500, 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 18, 8:01 PM CDT, 51 minutes earlier.

Area forecast discussion, Jun 18, 8:01 PM CDT, 51 minutes before

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Hazardous weather outlook, Jun 18, 3:13 PM CDT, 5 hours 39 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 18, 9:03 PM CDT	River Flood Advisory	LOT	Bureau, LaSalle, Putnam	70 hr
Jun 18, 9:03 PM CDT	River Flood Advisory	LOT	Iroquois	34 hr
Jun 18, 9:03 PM CDT	River Flood Advisory	LOT	Livingston	25 hr
Jun 19, 11:43 AM CDT	River Flood Advisory	LOT	LaSalle	51 hr
Jun 19, 3:00 PM CDT	Special Weather Statement	LOT	Lake	30 min
Jun 19, 3:24 PM CDT	Special Weather Statement	LOT	Lake	36 min
Jun 19, 3:28 PM CDT	Special Marine Warning	LOT		47 min
Jun 19, 3:59 PM CDT	Special Weather Statement	LOT	DuPage	31 min
Jun 19, 5:26 PM CDT	Special Weather Statement	LOT	Livingston	19 min
Jun 19, 6:02 PM CDT	Special Weather Statement	LOT	DeKalb	28 min
Jun 19, 6:20 PM CDT	Special Weather Statement	LOT	DeKalb	25 min
Jun 19, 6:34 PM CDT	Special Weather Statement	LOT	Kane	26 min
Jun 19, 6:58 PM CDT	Special Weather Statement	LOT	DuPage	32 min
Jun 18, 9:03 PM CDT	River Flood Advisory	LOT	Newton	28 hr

Nearby

River Flood Warnings in Illinois, 2017 Every river flood warning in 2017

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.