Alert archive / Iowa / Winter Storm Warnings in 2020

Winter Storm Warning 3, NWS Omaha, NE

April 15, 2020Cass County, Lancaster County, Otoe County, Nebraska; 4 counties in Iowa

NWS Omaha, NE issued this winter storm warning at Apr 15, 2020, 3:55 PM CDT for Cass County, Lancaster County, Otoe County, Nebraska; 4 counties in Iowa. It took effect at Apr 16, 2020, 4:00 AM CDT. It was in force for 24 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 15, 2020, 3:55 PM CDT (20:55 UTC)
In effect from: Apr 16, 2020, 4:00 AM CDT
Expired: Apr 17, 2020, 4:08 AM CDT
In force: 24 hr
Issued by: NWS Omaha, NE

Counties Fremont County, IA, Mills County, IA, Montgomery County, IA, Page County, IA, Cass County, NE, Lancaster County, NE, Otoe County, NE

The radar

The Omaha radar (KOAX), 72 km from the middle of the area, began a volume at 20:56 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.

What forecasters said that day

The local office's own words before this winter storm 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 winter storm warning went out at Apr 15, 12:01 PM CDT, 3 hours 54 minutes earlier.

Area forecast discussion, Apr 15, 12:01 PM CDT, 3 hours 54 minutes before

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Hazardous weather outlook, Apr 15, 11:10 AM CDT, 4 hours 45 minutes before

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  <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.
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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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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 15, 3:55 PM CDT	Winter Weather Advisory	OAX	Boone, Butler, Colfax, Dodge, Douglas, Gage and 10 more	36 hr

Nearby

Winter Storm Warnings in Iowa, 2020 Winter Storm Warnings in Nebraska, 2020 Every winter storm warning in 2020

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.