Alert archive / Illinois / River Flood Warnings in 2015

River Flood Warning 29, NWS Chicago, IL

June 14, 2015Cook County, Illinois

NWS Chicago, IL issued this river flood warning at Jun 14, 2015, 8:56 AM CDT for Cook County, Illinois. It took effect at Jun 14, 2015, 1:00 PM CDT. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued: Jun 14, 2015, 8:56 AM CDT (13:56 UTC)
In effect from: Jun 14, 2015, 1:00 PM CDT
Expired: Jun 15, 2015, 3:00 AM CDT
In force: 14 hr
Issued by: NWS Chicago, IL
Area: Storm-based polygon
Flood severity: Minor

County Cook County, IL

The radar

The Chicago radar (KLOT), 49 km from the middle of the area, began a volume at 13:57 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 Thorn Creek at Thornton (THNI2). The gauge peaked at 9.91 ft at Jun 16, 2015, 3:00 AM CDT.

Action stage: 7.5 ft
Minor stage: 9 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 05536275, 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 14, 7:37 AM CDT, 1 hour 19 minutes earlier.

Area forecast discussion, Jun 14, 7:37 AM CDT, 1 hour 19 minutes before

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Hazardous weather outlook, Jun 14, 4:47 AM CDT, 4 hours 9 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.
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In the hours before

Local storm report, Jun 14, 6:12 AM CDT, 2 hours 44 minutes before

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<head>
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  <title>Service Notice</title>
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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>
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  <script src="index.js"></script>
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Local storm report, Jun 14, 6:31 AM CDT, 2 hours 25 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>

Local storm report, Jun 14, 6:42 AM CDT, 2 hours 14 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 13, 7:33 PM CDT	Areal Flood Advisory	LOT	Cook, DuPage	3 hr
Jun 13, 8:20 PM CDT	Severe Thunderstorm Warning	LOT	Boone, McHenry	26 min
Jun 13, 8:59 PM CDT	Flash Flood Warning	LOT	Boone, McHenry, Winnebago	6 hr
Jun 13, 9:38 PM CDT	River Flood Warning	LOT	LaSalle	18 days
Jun 13, 10:08 PM CDT	Areal Flood Advisory	LOT	DeKalb, LaSalle, Lee	3 hr
Jun 13, 11:42 PM CDT	Areal Flood Warning	LOT	Grundy, Kendall, LaSalle	12 hr
Jun 14, 2:51 AM CDT	Marine Dense Fog Advisory	LOT		36 hr
Jun 14, 5:50 AM CDT	Areal Flood Advisory	LOT	Cook, DuPage, Will	3 hr
Jun 14, 8:17 AM CDT	River Flood Advisory	LOT	Will	37 hr
Jun 14, 8:17 AM CDT	River Flood Advisory	LOT	LaSalle	40 hr
Jun 14, 10:52 AM CDT	River Flood Warning	LOT	Grundy	6 days
Jun 14, 11:27 AM CDT	Areal Flood Warning	LOT	Grundy, Kendall	27 hr
Jun 14, 6:54 PM CDT	Areal Flood Advisory	LOT	Grundy, LaSalle	4 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.