Alert archive / Nebraska / River Flood Warnings in 2018

River Flood Warning 1, NWS Omaha, NE

March 4, 2018Knox County, Nebraska

NWS Omaha, NE issued this river flood warning at Mar 4, 2018, 11:06 AM CST for Knox County, Nebraska. It took effect at Mar 4, 2018, 11:28 AM CST. It was in force for 57 hr.

The area

The counties it named.

The facts

Issued: Mar 4, 2018, 11:06 AM CST (17:06 UTC)
In effect from: Mar 4, 2018, 11:28 AM CST
Expired: Mar 6, 2018, 8:05 PM CST
In force: 57 hr
Issued by: NWS Omaha, NE
Area: Storm-based polygon
Flood severity: Minor

County Knox County, NE

The radar

The Sioux Falls radar (KFSD), 142 km from the middle of the area, began a volume at 17:06 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 Ponca Creek at Verdel (VERN1). The gauge peaked at 14.82 ft at Mar 5, 2018, 5:00 AM CST.

Action stage: 12 ft
Minor stage: 13.5 ft
Moderate stage: 15 ft
Major stage: 17 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06453600, 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 Mar 4, 5:34 AM CST, 5 hours 32 minutes earlier.

Area forecast discussion, Mar 4, 5:34 AM CST, 5 hours 32 minutes before

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Hazardous weather outlook, Mar 4, 5:14 AM CST, 5 hours 52 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
Mar 3, 7:06 PM CST	Areal Flood Advisory	OAX	Dodge, Saunders	24 hr
Mar 4, 4:53 AM CST	Blizzard Warning	OAX	Cedar, Knox	58 hr
Mar 4, 4:53 AM CST	Winter Storm Watch	OAX	Antelope, Cedar, Pierce, Wayne	10 hr
Mar 4, 11:02 AM CST	River Flood Advisory	OAX	Knox	25 hr
Mar 4, 2:24 PM CST	Winter Weather Advisory	OAX	Antelope, Boone, Burt, Butler, Cass, Colfax and 22 more	52 hr
Mar 4, 4:35 PM CST	River Flood Advisory	OAX	Pierce	25 hr

Nearby

River Flood Warnings in Nebraska, 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.