Alert archive / Iowa / River Flood Warnings in 2018

River Flood Warning 32, NWS Omaha, NE

August 20, 2018Fremont County, Iowa

NWS Omaha, NE issued this river flood warning at Aug 20, 2018, 5:23 PM CDT for Fremont County, Iowa. It was in force for 28 hr.

The area

The counties it named.

The facts

Issued: Aug 20, 2018, 5:23 PM CDT (22:23 UTC)
Expired: Aug 21, 2018, 9:34 PM CDT
In force: 28 hr
Issued by: NWS Omaha, NE
Area: Storm-based polygon
Flood severity: Minor

County Fremont County, IA

The radar

The Omaha radar (KOAX), 90 km from the middle of the area, began a volume at 22:25 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 West Nishnabotna River near Randolph (RDPI4). The gauge peaked at 19.74 ft at Aug 20, 2018, 8:00 PM CDT.

Action stage: 17 ft
Minor stage: 19 ft
Moderate stage: 22 ft
Major stage: 27 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06808500, 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 Omaha, NE wrote its last area forecast discussion before this river flood warning went out at Aug 20, 3:49 PM CDT, 1 hour 34 minutes earlier.

Area forecast discussion, Aug 20, 3:49 PM CDT, 1 hour 34 minutes before

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Hazardous weather outlook, Aug 20, 4:44 PM CDT, 39 minutes before

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      <p id="message1">
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        Please try again in a few minutes.
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        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

Local storm report, Aug 20, 1:00 PM CDT, 4 hours 23 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Local storm report, Aug 20, 2:18 PM CDT, 3 hours 5 minutes before

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      <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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Local storm report, Aug 20, 2:21 PM CDT, 3 hours 2 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.
      </p>
    </section>
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Local storm report, Aug 20, 3:03 PM CDT, 2 hours 20 minutes before

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<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, Aug 20, 3:28 PM CDT, 1 hour 55 minutes before

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<html lang="en">
<head>
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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>
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</body>
</html>

Local storm report, Aug 20, 3:49 PM CDT, 1 hour 34 minutes before

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<head>
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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>

The office that day

Everything else NWS Omaha, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 19, 11:57 PM CDT	River Flood Warning	OAX	Otoe	4 days
Aug 19, 11:57 PM CDT	River Flood Warning	OAX	Nemaha	5 days
Aug 19, 11:57 PM CDT	River Flood Warning	OAX	Richardson	5 days
Aug 20, 5:33 AM CDT	Special Weather Statement	OAX	Douglas, Sarpy	42 min
Aug 20, 8:06 AM CDT	Flash Flood Warning	OAX	Douglas	6 hr
Aug 20, 8:54 AM CDT	Areal Flood Warning	OAX	Burt, Cuming, Dodge, Thurston, Washington	15 hr
Aug 20, 10:15 AM CDT	Flash Flood Warning	OAX	Cass, Douglas, Sarpy	4 hr
Aug 20, 10:28 AM CDT	River Flood Warning	OAX	Cass	3 days
Aug 20, 11:22 AM CDT	River Flood Advisory	OAX	Douglas, Sarpy	51 hr
Aug 20, 1:48 PM CDT	Areal Flood Warning	OAX	Cass, Dodge, Douglas, Sarpy, Saunders, Washington	9 hr
Aug 20, 5:07 AM CDT	Flash Flood Warning	OAX	Harrison, Pottawattamie, Shelby	6 hr

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.