Alert archive / Idaho / Heavy Snow Warnings in 2007

Heavy Snow Warning 7, NWS Spokane, WA

May 20, 20074 counties in Idaho

NWS Spokane, WA issued this heavy snow warning at May 20, 2007, 2:00 PM PDT for 4 counties in Idaho. It took effect at May 21, 2007, 5:00 AM PDT. It was in force for 9 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: May 20, 2007, 2:00 PM PDT (21:00 UTC)
In effect from: May 21, 2007, 5:00 AM PDT
Expired: May 21, 2007, 2:27 PM PDT
In force: 9 hr
Issued by: NWS Spokane, WA

Counties Benewah County, ID, Kootenai County, ID, Latah County, ID, Shoshone County, ID

The radar

The Spokane radar (KOTX), 97 km from the middle of the area, began a volume at 20:59 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 heavy snow warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Spokane, WA wrote its last area forecast discussion before this heavy snow warning went out at May 20, 11:32 AM PDT, 2 hours 28 minutes earlier.

Area forecast discussion, May 20, 11:32 AM PDT, 2 hours 28 minutes before

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Hazardous weather outlook, May 20, 11:18 AM PDT, 2 hours 42 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 Spokane, WA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 20, 3:54 AM PDT	Winter Storm Watch	OTX	Asotin, Garfield	10 hr
May 20, 2:00 PM PDT	Snow Advisory	OTX	Asotin, Garfield	24 hr

Nearby

Heavy Snow Warnings in Idaho, 2007 Every heavy snow warning in 2007

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.