Alert archive / Nebraska / River Flood Warnings in 2011

River Flood Warning 35, NWS Omaha, NE

June 21, 2011Knox County, Nebraska

NWS Omaha, NE issued this river flood warning at Jun 21, 2011, 8:23 PM CDT for Knox County, Nebraska. It took effect at Jun 22, 2011, 6:32 AM CDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jun 21, 2011, 8:23 PM CDT (01:23 UTC)
In effect from
Jun 22, 2011, 6:32 AM CDT
Expired
Jun 22, 2011, 10:39 AM CDT
In force
4 hr
Issued by
NWS Omaha, NE
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 01:25 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 Ponca Creek at Verdel (VERN1). The gauge peaked at 11.40 ft at Jun 22, 2011, 10:00 AM CDT.

actionminormoderate5101506/2206/23
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 Jun 21, 3:14 PM CDT, 5 hours 9 minutes earlier.

Area forecast discussion, Jun 21, 3:14 PM CDT, 5 hours 9 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.
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      <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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Nearby

River Flood Warnings in Nebraska, 2011Every river flood warning in 2011

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.