Alert archive / Wyoming / Winter Storm Warnings in 2023

Winter Storm Warning 4, NWS Riverton, WY

February 19, 202311 counties in Wyoming

NWS Riverton, WY issued this winter storm warning at Feb 19, 2023, 8:43 AM MST for 11 counties in Wyoming. It took effect at Feb 19, 2023, 5:00 PM MST. It was in force for 3 days. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Feb 19, 2023, 8:43 AM MST (15:43 UTC)
In effect from: Feb 19, 2023, 5:00 PM MST
Expired: Feb 22, 2023, 7:56 PM MST
In force: 3 days
Issued by: NWS Riverton, WY

Counties Big Horn County, WY, Fremont County, WY, Hot Springs County, WY, Johnson County, WY, Lincoln County, WY, Natrona County, WY, Park County, WY, Sublette County, WY, Sweetwater County, WY, Teton County, WY, Washakie County, WY

The radar

The Riverton/Lander radar (KRIW), 41 km from the middle of the area, began a volume at 15:47 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 Riverton, WY wrote its last area forecast discussion before this winter storm warning went out at Feb 19, 4:53 AM MST, 3 hours 50 minutes earlier.

Area forecast discussion, Feb 19, 4:53 AM MST, 3 hours 50 minutes before

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Hazardous weather outlook, Feb 19, 3:23 AM MST, 5 hours 20 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.
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    </section>
  </main>
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</body>
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The office that day

Everything else NWS Riverton, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 19, 1:55 AM MST	High Wind Warning	RIW	Fremont, Park	27 hr
Feb 19, 1:11 PM MST	High Wind Watch	RIW	Fremont, Natrona, Sweetwater	13 hr
Feb 19, 1:52 PM MST	Winter Storm Watch	RIW	Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 4 more	13 hr

Nearby

Winter Storm Warnings in Wyoming, 2023 Every winter storm warning in 2023

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.