Alert archive / Washington / Winter Weather Advisories in 2021

Winter Weather Advisory 43, NWS Spokane, WA

December 17, 20219 counties in Washington; 6 counties in Idaho

NWS Spokane, WA issued this winter weather advisory at Dec 17, 2021, 1:53 PM PST for 9 counties in Washington; 6 counties in Idaho. It took effect at Dec 18, 2021, 1:00 AM PST. It was in force for 69 hr.

The area

The counties it named.

The facts

Issued
Dec 17, 2021, 1:53 PM PST (21:53 UTC)
In effect from
Dec 18, 2021, 1:00 AM PST
Expired
Dec 20, 2021, 9:59 PM PST
In force
69 hr
Issued by
NWS Spokane, WA

Counties Benewah County, ID, Kootenai County, ID, Latah County, ID, Lewis County, ID, Nez Perce County, ID, Shoshone County, ID, Asotin County, WA, Chelan County, WA, Douglas County, WA, Ferry County, WA, Garfield County, WA, Lincoln County, WA, Okanogan County, WA, Spokane County, WA, Whitman County, WA

The radar

The Spokane radar (KOTX), 47 km from the middle of the area, began a volume at 21:56 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 weather advisory 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 winter weather advisory went out at Dec 17, 10:35 AM PST, 3 hours 18 minutes earlier.

Area forecast discussion, Dec 17, 10:35 AM PST, 3 hours 18 minutes before
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Hazardous weather outlook, Dec 17, 4:25 AM PST, 9 hours 28 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.
      </p>
    </section>
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  <script src="index.js"></script>
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In the hours before

Local storm report, Dec 17, 9:22 AM PST, 4 hours 31 minutes before
<!doctype html>
<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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS Spokane, WA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 17, 3:22 AM PSTWinter Storm WatchOTXChelan11 hr
Dec 17, 1:53 PM PSTWinter Storm WatchOTXAsotin, Garfield, Pend Oreille, Spokane, Stevens13 hr
Dec 17, 1:53 PM PSTWinter Storm WarningOTXChelan, Pend Oreille, Spokane, Stevens48 hr

Nearby

Winter Weather Advisories in Washington, 2021Winter Weather Advisories in Idaho, 2021Every winter weather advisory in 2021

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.