Alert archive / Iowa / River Flood Warnings in 2009

River Flood Warning 19, NWS Des Moines, IA

March 8, 2009Polk County, Story County, Iowa

NWS Des Moines, IA issued this river flood warning at Mar 8, 2009, 5:55 PM CDT for Polk County, Story County, Iowa. It took effect at Mar 9, 2009, 2:05 AM CDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued: Mar 8, 2009, 5:55 PM CDT (22:55 UTC)
In effect from: Mar 9, 2009, 2:05 AM CDT
Expired: Mar 9, 2009, 12:31 PM CDT
In force: 10 hr
Issued by: NWS Des Moines, IA
Flood severity: Minor

Counties Polk County, IA, Story County, IA

The radar

The Des Moines radar (KDMX), 22 km from the middle of the area, began a volume at 22:59 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 South Skunk River near Ames US 30 (AESI4). The gauge peaked at 19.96 ft at Mar 9, 2009, 8:00 AM CDT.

Action stage: 19 ft
Minor stage: 21.5 ft
Moderate stage: 23.5 ft
Major stage: 24.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05471000, 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 Des Moines, IA wrote its last area forecast discussion before this river flood warning went out at Mar 8, 3:30 PM CDT, 2 hours 25 minutes earlier.

Area forecast discussion, Mar 8, 3:30 PM CDT, 2 hours 25 minutes before

<!doctype html>
<html lang="en">
<head>
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  <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, Mar 8, 2:31 PM CDT, 3 hours 24 minutes before

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<html lang="en">
<head>
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  <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>
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In the hours before

Local storm report, Mar 8, 2:55 PM CDT, 3 hours 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>

Local storm report, Mar 8, 2:57 PM CDT, 2 hours 58 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>

Local storm report, Mar 8, 3:00 PM CDT, 2 hours 55 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 Des Moines, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 8, 3:49 AM CDT	River Flood Warning	DMX	Madison, Warren	30 hr
Mar 8, 3:56 AM CDT	River Flood Warning	DMX	Mahaska	6 days
Mar 8, 6:17 AM CDT	Areal Flood Advisory	DMX	Appanoose, Clarke, Davis, Decatur, Lucas, Mahaska and 4 more	4 hr
Mar 8, 7:35 AM CDT	River Flood Warning	DMX	Black Hawk, Butler	4 days
Mar 8, 9:23 AM CDT	River Flood Warning	DMX	Lucas	4 days
Mar 8, 9:37 AM CDT	Areal Flood Warning	DMX	Appanoose, Davis, Decatur, Lucas, Mahaska, Marion and 4 more	12 hr
Mar 8, 12:31 PM CDT	River Flood Warning	DMX	Madison, Warren	3 days
Mar 8, 12:31 PM CDT	River Flood Warning	DMX	Mahaska, Marion	28 hr
Mar 8, 1:09 PM CDT	River Flood Warning	DMX	Appanoose, Wayne	20 hr
Mar 8, 2:02 PM CDT	River Flood Warning	DMX	Wapello	45 hr
Mar 8, 5:21 PM CDT	River Flood Warning	DMX	Polk	3 hr
Mar 8, 5:30 PM CDT	River Flood Warning	DMX	Wapello	28 hr

Nearby

River Flood Warnings in Iowa, 2009 Every river flood warning in 2009

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.