Alert archive / Nebraska / River Flood Warnings in 2018

River Flood Warning 54, NWS Omaha, NE

October 12, 2018Cass County, Nebraska; Mills County, Iowa

NWS Omaha, NE issued this river flood warning at Oct 12, 2018, 8:46 PM CDT for Cass County, Nebraska; Mills County, Iowa. It took effect at Oct 14, 2018, 10:03 PM CDT. It was in force for 5 days.

The area

The counties it named.

The facts

Issued: Oct 12, 2018, 8:46 PM CDT (01:46 UTC)
In effect from: Oct 14, 2018, 10:03 PM CDT
Expired: Oct 19, 2018, 9:13 PM CDT
In force: 5 days
Issued by: NWS Omaha, NE
Area: Storm-based polygon
Flood severity: Minor

Counties Mills County, IA, Cass County, NE

The radar

The Omaha radar (KOAX), 56 km from the middle of the area, began a volume at 01:50 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 Missouri River at Plattsmouth (PTMN1).

Action stage: 25 ft
Minor stage: 26 ft
Moderate stage: 32 ft
Major stage: 35 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06805600, 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 Oct 12, 6:21 PM CDT, 2 hours 25 minutes earlier.

Area forecast discussion, Oct 12, 6:21 PM CDT, 2 hours 25 minutes before

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Hazardous weather outlook, Oct 12, 3:42 PM CDT, 5 hours 4 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.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 13, 10:18 AM CDT	River Flood Advisory	OAX	Washington	6 days
Oct 13, 10:18 AM CDT	River Flood Advisory	OAX	Douglas, Sarpy	6 days
Oct 13, 3:27 PM CDT	Freeze Watch	OAX	Antelope, Boone, Burt, Butler, Cass, Cedar and 24 more	12 hr

Nearby

River Flood Warnings in Nebraska, 2018 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.