Alert archive / Iowa / River Flood Warnings in 2018

River Flood Warning 42, NWS Quad Cities, IA

June 11, 2018Cedar County, Jones County, Linn County, Iowa

NWS Quad Cities, IA issued this river flood warning at Jun 11, 2018, 9:04 AM CDT for Cedar County, Jones County, Linn County, Iowa. It took effect at Jun 12, 2018, 7:51 AM CDT. It was in force for 6 days.

The area

The counties it named.

The facts

Issued: Jun 11, 2018, 9:04 AM CDT (14:04 UTC)
In effect from: Jun 12, 2018, 7:51 AM CDT
Expired: Jun 18, 2018, 1:00 AM CDT
In force: 6 days
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Flood severity: Minor

Counties Cedar County, IA, Jones County, IA, Linn County, IA

The radar

The Quad Cities radar (KDVN), 72 km from the middle of the area, began a volume at 14:06 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 Wapsipinicon River at Anamosa Shaw Rd (ANSI4). The gauge peaked at 14.17 ft at Jun 13, 2018, 7:00 AM CDT.

Action stage: 13 ft
Minor stage: 14.5 ft
Moderate stage: 18 ft
Major stage: 21.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05421740, 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 Quad Cities, IA wrote its last area forecast discussion before this river flood warning went out at Jun 11, 6:03 AM CDT, 3 hours 1 minute earlier.

Area forecast discussion, Jun 11, 6:03 AM CDT, 3 hours 1 minute before

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Hazardous weather outlook, Jun 11, 3:57 AM CDT, 5 hours 7 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 Quad Cities, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 10, 7:50 PM CDT	River Flood Watch	DVN	Cedar, Jones, Linn	13 hr
Jun 11, 2:14 PM CDT	Special Weather Statement	DVN	Van Buren	61 min
Jun 10, 7:38 PM CDT	River Flood Warning	DVN	Henry, Rock Island	4 days
Jun 11, 3:29 PM CDT	Special Weather Statement	DVN	Scotland	31 min

Nearby

River Flood Warnings in Iowa, 2018 Every 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.