Alert archive / Illinois / River Flood Warnings in 2015

River Flood Warning 52, NWS Chicago, IL

June 24, 2015Grundy County, Illinois

NWS Chicago, IL issued this river flood warning at Jun 24, 2015, 11:15 AM CDT for Grundy County, Illinois. It took effect at Jun 25, 2015, 11:54 AM CDT. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued: Jun 24, 2015, 11:15 AM CDT (16:15 UTC)
In effect from: Jun 25, 2015, 11:54 AM CDT
Expired: Jun 26, 2015, 10:51 AM CDT
In force: 23 hr
Issued by: NWS Chicago, IL
Area: Storm-based polygon
Flood severity: Minor

County Grundy County, IL

The river

Written for the forecast point Mazon River near Coal City (COLI2). The gauge peaked at 12.07 ft at Jun 23, 2015, 11:00 AM CDT.

Action stage: 10 ft
Minor stage: 12 ft
Moderate stage: 16 ft
Major stage: 19 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05542000, 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 23, 6:24 PM CDT, 16 hours 51 minutes earlier.

Area forecast discussion, Jun 23, 6:24 PM CDT, 16 hours 51 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>
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        Please try again in a few minutes.
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Hazardous weather outlook, Jun 23, 3:23 PM CDT, 19 hours 52 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 24, 11:15 AM CDT	River Flood Warning	LOT	Iroquois	69 hr
Jun 24, 11:15 AM CDT	River Flood Warning	LOT	LaSalle	64 hr

Nearby

River Flood Warnings in Illinois, 2015 Every river flood warning in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the gauge from the NWS water service and the USGS.