Alert archive / Wyoming / Special Weather Statements in 2024
Special Weather Statement, NWS Cheyenne, WY
NWS Cheyenne, WY issued this special weather statement at Jun 1, 2024, 2:21 PM MDT for Laramie County, Wyoming. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 1, 2024, 2:21 PM MDT (20:21 UTC)
- Expired
- Jun 1, 2024, 3:00 PM MDT
- In force
- 39 min
- Issued by
- NWS Cheyenne, WY
- Hail
- 0.25 in
- Wind
- 55
County Laramie County, WY
The radar
The Cheyenne radar (KCYS), 24 km from the middle of the area, began a volume at 20:24 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.
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 8.4 hours before the alert went out and 375 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 652 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 666 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Jun 1, 11:52 AM MDT, 2 hours 29 minutes earlier.
Area forecast discussion, Jun 1, 11:52 AM MDT, 2 hours 29 minutes before
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</html>Hazardous weather outlook, Jun 1, 4:24 AM MDT, 9 hours 57 minutes before
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</html>In the hours before
Special weather statement, Jun 1, 2:18 PM MDT, 3 minutes before
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<div class="status" id="status">Temporary Notice</div>
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The site you requested is temporarily down for maintenance or an unexpected outage.
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</html>Special weather statement, Jun 1, 2:21 PM MDT, 0 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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If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</html>The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 2:53 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 52 min |
| Jun 1, 3:20 PM MDT | Special Weather Statement | CYS | Laramie | 40 min |
| Jun 1, 3:50 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 40 min |
| Jun 1, 4:24 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 51 min |
| Jun 1, 1:25 AM MDT | Special Weather Statement | CYS | Box Butte | 35 min |
| Jun 1, 1:44 AM MDT | Severe Thunderstorm Warning | CYS | Box Butte | 46 min |
| Jun 1, 2:22 AM MDT | Severe Thunderstorm Warning | CYS | Box Butte, Morrill | 23 min |
| Jun 1, 2:25 AM MDT | Special Weather Statement | CYS | Sioux | 35 min |
| Jun 1, 2:57 AM MDT | Severe Thunderstorm Warning | CYS | Box Butte, Sioux | 33 min |
| Jun 1, 3:39 AM MDT | Severe Thunderstorm Warning | CYS | Box Butte, Morrill, Scotts Bluff, Sioux | 22 min |
| Jun 1, 2:18 PM MDT | Special Weather Statement | CYS | Kimball | 42 min |
| Jun 1, 4:04 PM MDT | Special Weather Statement | CYS | Cheyenne | 41 min |
| Jun 1, 4:11 PM MDT | Special Weather Statement | CYS | Kimball | 34 min |
| Jun 1, 5:08 PM MDT | Special Weather Statement | CYS | Scotts Bluff | 37 min |
| Jun 1, 5:41 PM MDT | Special Weather Statement | CYS | Scotts Bluff | 34 min |
| Jun 1, 5:56 PM MDT | Special Weather Statement | CYS | Morrill | 34 min |
Nearby
Special Weather Statements in Wyoming, 2024Every special weather statement in 2024
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.