Alert archive / Wyoming / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 276, NWS Cheyenne, WY

July 31, 2019Albany County, Wyoming

NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 31, 2019, 3:11 PM MDT for Albany County, Wyoming. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 31, 2019, 3:11 PM MDT (21:11 UTC)
Expired: Jul 31, 2019, 3:45 PM MDT
In force: 34 min
Issued by: NWS Cheyenne, WY
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Albany County, WY

The radar

The Cheyenne radar (KCYS), 95 km from the middle of the area, began a volume at 21:15 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 severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Cheyenne, WY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 31, 2:00 PM MDT, 1 hour 11 minutes earlier.

Area forecast discussion, Jul 31, 2:00 PM MDT, 1 hour 11 minutes before

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Hazardous weather outlook, Jul 31, 4:35 AM MDT, 10 hours 36 minutes before

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</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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      <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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In the hours before

Special weather statement, Jul 31, 2:17 PM MDT, 54 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 Cheyenne, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 30, 6:13 PM MDT	Severe Thunderstorm Warning	CYS	Niobrara	32 min
Jul 31, 12:50 PM MDT	Flash Flood Watch	CYS	Converse, Goshen, Niobrara	32 hr
Jul 31, 2:17 PM MDT	Special Weather Statement	CYS	Laramie	43 min
Jul 31, 4:27 PM MDT	Special Weather Statement	CYS	Platte	48 min
Jul 31, 5:04 PM MDT	Special Weather Statement	CYS	Niobrara	56 min
Jul 31, 5:18 PM MDT	Special Weather Statement	CYS	Converse	57 min
Jul 31, 5:30 PM MDT	Special Weather Statement	CYS	Converse	60 min
Jul 30, 6:38 PM MDT	Severe Thunderstorm Warning	CYS	Sioux	33 min
Jul 30, 7:12 PM MDT	Special Weather Statement	CYS	Dawes	63 min

Nearby

Severe Thunderstorm Warnings in Wyoming, 2019 Every severe thunderstorm warning in 2019

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.