Alert archive / Wyoming / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 321, NWS Cheyenne, WY

July 28, 2023Goshen County, Wyoming; Sioux County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 28, 2023, 9:48 PM MDT for Goshen County, Wyoming; Sioux County, Nebraska. It was in force for 42 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 28, 2023, 9:48 PM MDT (03:48 UTC)
Expired: Jul 28, 2023, 10:30 PM MDT
In force: 42 min
Issued by: NWS Cheyenne, WY
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Sioux County, NE, Goshen County, WY

The radar

The Cheyenne radar (KCYS), 141 km from the middle of the area, began a volume at 03:50 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 28, 5:35 PM MDT, 4 hours 13 minutes earlier.

Area forecast discussion, Jul 28, 5:35 PM MDT, 4 hours 13 minutes before

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Hazardous weather outlook, Jul 28, 4:22 AM MDT, 17 hours 26 minutes before

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In the hours before

Special weather statement, Jul 28, 4:07 PM MDT, 5 hours 41 minutes before

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Special weather statement, Jul 28, 4:52 PM MDT, 4 hours 56 minutes before

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<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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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 28, 8:32 PM MDT	Special Weather Statement	CYS	Platte	28 min
Jul 28, 8:46 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Platte	44 min
Jul 28, 9:08 PM MDT	Special Weather Statement	CYS	Niobrara	37 min
Jul 28, 9:33 PM MDT	Special Weather Statement	CYS	Goshen	42 min
Jul 29, 12:15 AM MDT	Special Weather Statement	CYS	Niobrara	30 min
Jul 29, 2:25 PM MDT	Special Weather Statement	CYS	Laramie	35 min
Jul 29, 2:36 PM MDT	Special Weather Statement	CYS	Albany	39 min
Jul 29, 3:06 PM MDT	Special Weather Statement	CYS	Albany	39 min
Jul 29, 3:39 PM MDT	Special Weather Statement	CYS	Albany	36 min
Jul 29, 4:02 PM MDT	Special Weather Statement	CYS	Albany	28 min
Jul 29, 4:34 PM MDT	Special Weather Statement	CYS	Carbon	26 min
Jul 28, 9:42 PM MDT	Special Weather Statement	CYS	Sioux	33 min
Jul 28, 10:20 PM MDT	Severe Thunderstorm Warning	CYS	Dawes, Sioux	20 min
Jul 28, 10:36 PM MDT	Special Weather Statement	CYS	Sioux	24 min
Jul 28, 11:22 PM MDT	Special Weather Statement	CYS	Dawes	23 min
Jul 29, 1:57 AM MDT	Special Weather Statement	CYS	Dawes	48 min

Nearby

Severe Thunderstorm Warnings in Wyoming, 2023 Severe Thunderstorm Warnings in Nebraska, 2023 Every severe thunderstorm 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.