Alert archive / Illinois / River Flood Warnings in 2018

River Flood Warning 129, NWS Chicago, IL

December 2, 2018Will County, Illinois

NWS Chicago, IL issued this river flood warning at Dec 2, 2018, 7:13 AM CST for Will County, Illinois. It took effect at Dec 2, 2018, 8:30 AM CST. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued
Dec 2, 2018, 7:13 AM CST (13:13 UTC)
In effect from
Dec 2, 2018, 8:30 AM CST
Expired
Dec 3, 2018, 3:18 AM CST
In force
19 hr
Issued by
NWS Chicago, IL
Area
Storm-based polygon
Flood severity
Minor

County Will County, IL

The radar

The Chicago radar (KLOT), 20 km from the middle of the area, began a volume at 13:13 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 East Branch Du Page River at Bolingbrook (BOLI2). The gauge peaked at 19.69 ft at Dec 2, 2018, 1:00 PM CST.

actionminormoderate1618202212/0212/0312/04
Action stage
18 ft
Minor stage
20 ft
Moderate stage
22 ft
Major stage
24 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05540250, 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 Dec 2, 5:52 AM CST, 1 hour 21 minutes earlier.

Area forecast discussion, Dec 2, 5:52 AM CST, 1 hour 21 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>
Hazardous weather outlook, Dec 2, 3:56 AM CST, 3 hours 17 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.

IssuedProductOfficeCountiesLasted
Dec 1, 8:07 PM CSTSpecial Weather StatementLOTFord, Livingston23 min
Dec 2, 3:27 AM CSTDense Fog AdvisoryLOTDeKalb, DuPage, Kane, Lake, Lee, McHenry and 1 more4 hr
Dec 2, 3:41 AM CSTRiver Flood AdvisoryLOTLake5 days
Dec 2, 3:41 AM CSTRiver Flood AdvisoryLOTLake6 days
Dec 2, 3:41 AM CSTRiver Flood AdvisoryLOTCook7 hr
Dec 2, 3:41 AM CSTRiver Flood AdvisoryLOTWill39 hr
Dec 2, 3:44 AM CSTSmall Craft AdvisoryLOT53 hr
Dec 2, 5:33 AM CSTMarine Dense Fog AdvisoryLOT84 min
Dec 2, 6:40 AM CSTRiver Flood AdvisoryLOTLaSalle34 hr
Dec 2, 6:43 AM CSTRiver Flood WarningLOTLake6 days
Dec 2, 6:43 AM CSTRiver Flood WarningLOTLake7 days
Dec 2, 6:43 AM CSTRiver Flood WarningLOTKane, Kendall53 hr
Dec 2, 10:12 AM CSTRiver Flood AdvisoryLOTBoone10 hr
Dec 2, 10:12 AM CSTRiver Flood AdvisoryLOTOgle3 days
Dec 2, 10:48 AM CSTRiver Flood WarningLOTCook49 hr
Dec 2, 11:14 AM CSTRiver Flood WarningLOTBureau, LaSalle, Putnam3 days
Dec 2, 11:18 AM CSTRiver Flood AdvisoryLOTLaSalle3 days
Dec 2, 11:39 AM CSTRiver Flood AdvisoryLOTCook45 hr
Dec 1, 9:08 PM CSTTornado WarningLOTBenton25 min

Nearby

River Flood Warnings in Illinois, 2018Every 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.