Alert archive / Iowa / Winter Storm Watches in 2020

Winter Storm Watch 7, NWS Des Moines, IA

December 27, 202037 counties in Iowa

NWS Des Moines, IA issued this winter storm watch at Dec 27, 2020, 5:23 PM CST for 37 counties in Iowa. It took effect at Dec 29, 2020, 6:00 AM CST. It was in force for .

The area

The counties it named.

The facts

Issued: Dec 27, 2020, 5:23 PM CST (23:23 UTC)
In effect from: Dec 29, 2020, 6:00 AM CST
Expired: Dec 28, 2020, 3:24 AM CST
In force
Issued by: NWS Des Moines, IA

All 37 counties

Adair County, IA, Adams County, IA, Audubon County, IA, Black Hawk County, IA, Boone County, IA, Bremer County, IA, Butler County, IA, Calhoun County, IA, Carroll County, IA, Cass County, IA, Cerro Gordo County, IA, Crawford County, IA, Dallas County, IA, Emmet County, IA, Franklin County, IA, Greene County, IA, Grundy County, IA, Guthrie County, IA, Hamilton County, IA, Hancock County, IA, Hardin County, IA, Humboldt County, IA, Jasper County, IA, Kossuth County, IA, Madison County, IA, Marshall County, IA, Palo Alto County, IA, Pocahontas County, IA, Polk County, IA, Sac County, IA, Story County, IA, Tama County, IA, Warren County, IA, Webster County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA

The radar

The Des Moines radar (KDMX), 64 km from the middle of the area, began a volume at 23:20 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 watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Des Moines, IA wrote its last area forecast discussion before this winter storm watch went out at Dec 27, 5:20 PM CST, 3 minutes earlier.

Area forecast discussion, Dec 27, 5:20 PM CST, 3 minutes before

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Hazardous weather outlook, Dec 27, 3:57 PM CST, 1 hour 26 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.
      </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 Des Moines, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 27, 9:29 AM CST	Winter Weather Advisory	DMX	Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 24 more	4 hr

Nearby

Winter Storm Watches in Iowa, 2020 Every winter storm watch 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.