Alert archive / Iowa / River Flood Warnings in 2020

River Flood Warning 26, NWS Quad Cities, IA

March 29, 2020Louisa County, Iowa

NWS Quad Cities, IA issued this river flood warning at Mar 29, 2020, 10:35 AM CDT for Louisa County, Iowa. It took effect at Mar 30, 2020, 1:00 AM CDT. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued: Mar 29, 2020, 10:35 AM CDT (15:35 UTC)
In effect from: Mar 30, 2020, 1:00 AM CDT
Expired: Mar 30, 2020, 8:46 PM CDT
In force: 20 hr
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Flood severity: Minor

County Louisa County, IA

The radar

The Quad Cities radar (KDVN), 72 km from the middle of the area, began a volume at 15:37 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 Oakville (OKVI4). The gauge peaked at 11.06 ft at Mar 30, 2020, 9:00 AM CDT.

Action stage: 8 ft
Minor stage: 11 ft
Moderate stage: 15 ft
Major stage: 20 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05465700, 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 29, 5:59 AM CDT, 4 hours 36 minutes earlier.

Area forecast discussion, Mar 29, 5:59 AM CDT, 4 hours 36 minutes before

<!doctype html>
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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>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Mar 29, 3:47 AM CDT, 6 hours 48 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>

In the hours before

Local storm report, Mar 29, 5:53 AM CDT, 4 hours 42 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 28, 7:20 PM CDT	Tornado Warning	DVN	Jones, Linn	25 min
Mar 28, 7:49 PM CDT	Tornado Warning	DVN	Delaware, Dubuque, Jones	26 min
Mar 28, 9:26 PM CDT	Wind Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more	22 hr
Mar 28, 7:14 PM CDT	Tornado Warning	DVN	Mercer, Warren	31 min
Mar 28, 7:27 PM CDT	Severe Thunderstorm Warning	DVN	Henry	48 min
Mar 28, 7:33 PM CDT	Tornado Warning	DVN	Henry	42 min
Mar 28, 8:07 PM CDT	Severe Thunderstorm Warning	DVN	Bureau, Henry, Whiteside	38 min
Mar 28, 8:20 PM CDT	Tornado Warning	DVN	Henry, Whiteside	18 min
Mar 29, 10:35 AM CDT	River Flood Warning	DVN	Whiteside	50 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.