Alert archive / Iowa / River Flood Warnings in 2020

River Flood Warning 12, NWS Quad Cities, IA

March 19, 2020Benton County, Iowa County, Iowa

NWS Quad Cities, IA issued this river flood warning at Mar 19, 2020, 9:45 AM CDT for Benton County, Iowa County, Iowa. It took effect at Mar 20, 2020, 5:48 PM CDT. It was in force for 20 days.

The area

The counties it named.

The facts

Issued: Mar 19, 2020, 9:45 AM CDT (14:45 UTC)
In effect from: Mar 20, 2020, 5:48 PM CDT
Expired: Apr 9, 2020, 9:45 AM CDT
In force: 20 days
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Flood severity: Minor

Counties Benton County, IA, Iowa County, IA

The radar

The Quad Cities radar (KDVN), 127 km from the middle of the area, began a volume at 14:49 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 Iowa River at Marengo (MROI4). The gauge peaked at 14.57 ft at Mar 24, 2020, 4:00 AM CDT.

Action stage: 13 ft
Minor stage: 15 ft
Moderate stage: 17 ft
Major stage: 19 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05453100, 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 Mar 19, 7:08 AM CDT, 2 hours 37 minutes earlier.

Area forecast discussion, Mar 19, 7:08 AM CDT, 2 hours 37 minutes before

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<body>
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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>
      <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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    </section>
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Hazardous weather outlook, Mar 19, 4:51 AM CDT, 4 hours 54 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

Special weather statement, Mar 19, 4:17 AM CDT, 5 hours 28 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Special weather statement, Mar 19, 9:34 AM CDT, 11 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
Mar 18, 8:50 PM CDT	River Flood Warning	DVN	Des Moines, Louisa	38 days
Mar 18, 8:50 PM CDT	River Flood Warning	DVN	Muscatine, Scott	35 days
Mar 18, 8:50 PM CDT	River Flood Warning	DVN	Muscatine	35 days
Mar 18, 8:50 PM CDT	River Flood Warning	DVN	Louisa, Muscatine	36 days
Mar 18, 8:50 PM CDT	River Flood Warning	DVN	Louisa	37 days
Mar 18, 8:59 PM CDT	River Flood Watch	DVN	Dubuque, Jackson	21 days
Mar 18, 8:59 PM CDT	River Flood Watch	DVN	Clinton, Scott	21 days
Mar 18, 9:12 PM CDT	River Flood Watch	DVN	Cedar, Louisa, Muscatine	38 hr
Mar 19, 10:30 AM CDT	Special Weather Statement	DVN	Dubuque	15 min
Mar 18, 8:50 PM CDT	River Flood Warning	DVN	Hancock	36 days
Mar 19, 10:07 AM CDT	River Flood Watch	DVN	Henry, Rock Island, Whiteside	24 hr
Mar 19, 10:07 AM CDT	River Flood Watch	DVN	Henry, Rock Island	11 hr

Nearby

River Flood Warnings in Iowa, 2020 Every river flood warning in 2020

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.