Alert archive / Illinois / River Flood Watches in 2018

River Flood Watch 2, NWS Quad Cities, IA

February 18, 2018Henry County, Rock Island County, Whiteside County, Illinois

NWS Quad Cities, IA issued this river flood watch at Feb 18, 2018, 10:36 AM CST for Henry County, Rock Island County, Whiteside County, Illinois. It took effect at Feb 20, 2018, 8:34 PM CST. It was in force for .

The area

The counties it named.

The facts

Issued: Feb 18, 2018, 10:36 AM CST (16:36 UTC)
In effect from: Feb 20, 2018, 8:34 PM CST
Expired: Feb 20, 2018, 9:58 AM CST
In force
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Flood severity: None

Counties Henry County, IL, Rock Island County, IL, Whiteside County, IL

The radar

The Quad Cities radar (KDVN), 33 km from the middle of the area, began a volume at 16:38 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 Rock River near Joslin (JOSI2). The gauge peaked at 11.13 ft at Feb 21, 2018, 9:00 AM CST.

Action stage: 11 ft
Minor stage: 12 ft
Moderate stage: 14 ft
Major stage: 16.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05446500, 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 watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Quad Cities, IA wrote its last area forecast discussion before this river flood watch went out at Feb 18, 10:22 AM CST, 14 minutes earlier.

Area forecast discussion, Feb 18, 10:22 AM CST, 14 minutes before

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Hazardous weather outlook, Feb 18, 10:10 AM CST, 26 minutes before

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<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.
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</body>
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The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 18, 2:28 AM CST	Dense Fog Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 10 more	8 hr
Feb 18, 2:45 PM CST	Winter Storm Watch	DVN	Benton, Buchanan, Delaware	13 hr
Feb 18, 10:36 AM CST	River Flood Watch	DVN	Henry, Rock Island	47 hr

Nearby

River Flood Watches in Illinois, 2018 Every river flood watch 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.