Alert archive / Wyoming / Special Weather Statements in 2021
Special Weather Statement, NWS Cheyenne, WY
NWS Cheyenne, WY issued this special weather statement at May 2, 2021, 3:27 PM MDT for Albany County, Wyoming. It was in force for 33 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
- May 2, 2021, 3:27 PM MDT (21:27 UTC)
- Expired
- May 2, 2021, 4:00 PM MDT
- In force
- 33 min
- Issued by
- NWS Cheyenne, WY
County Albany County, WY
The radar
The Cheyenne radar (KCYS), 147 km from the middle of the area, began a volume at 21:30 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 text
As transmitted.
<!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>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 May 2, 2:56 PM MDT, 31 minutes earlier.
Area forecast discussion, May 2, 2:56 PM MDT, 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>Hazardous weather outlook, May 2, 4:40 AM MDT, 10 hours 47 minutes before
Hazardous Weather Outlook National Weather Service Cheyenne WY 440 AM MDT Sun May 2 2021 WYZ112-114-116-031045- Sierra Madre Range-Snowy Range-South Laramie Range- 440 AM MDT Sun May 2 2021 This hazardous weather outlook is for portions of south central Wyoming and southeast Wyoming. .DAY ONE...TODAY AND TONIGHT Moderate to heavy snow will develop this afternoon over the Snowy and Sierra Madre ranges and the I-80 summit this evening. Snowfall amounts up to a foot will be possible in the Snowy Mountain Range with 5 to 10 inches in elevations between 8000 and 10000ft. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY The snow should become lighter on Monday and end on Monday evening as the disturbance moves south. More snowfall may develop over the Snowy and Sierra Madre Ranges on Tuesday and Wednesday as another disturbance moves through the area. .Spotter information statement... Skywarn spotter activation is not anticipated today or tonight. WYZ103>106-109>111-113-115-117-031045- North Laramie Range-Ferris/Seminoe/Shirley Mountains- Shirley Basin-Central Laramie Range and Southwest Platte County- Central Carbon County-North Snowy Range Foothills- Southwest Carbon County-Upper North Platte River Basin- Laramie Valley-South Laramie Range Foothills- 440 AM MDT Sun May 2 2021 This hazardous weather outlook is for portions of south central Wyoming and southeast Wyoming. .DAY ONE...TODAY AND TONIGHT Light to moderate snowfall will be possible along the foothills of the Laramie, Snowy and Sierra Madre Ranges tonight. However, snowfall accumulation will generally be 2 inches or less. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY Snow is forecast to become lighter on Monday with more perception in the form of rain/snow mix coming back to the area on Tuesday and Wednesday in the foothills. Little if any accumulation is expected. .Spotter information statement... Skywarn spotter activation is not anticipated today or tonight. NEZ002-003-019>021-054-055-095-096-WYZ101-102-107-108-118-119- 031045- Dawes County-Box Butte County-Scotts Bluff County-Banner County- Morrill County-Kimball County-Cheyenne County- Northern Sioux County-Southern Sioux County- Converse County Lower Elevations-Niobrara County- East Platte County-Goshen County-Central Laramie County- East Laramie County- 440 AM MDT Sun May 2 2021 This hazardous weather outlook is for portions of panhandle Nebraska...east central Wyoming and southeast Wyoming. .DAY ONE...TODAY AND TONIGHT A cluster of strong thunderstorms is expected to move through much of southeast Wyoming and the Nebraska panhandle late this afternoon and evening. Some of these storms may contain small hail and gusty winds. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY No hazardous weather is expected at this time. .Spotter information statement... Skywarn spotter activation is not anticipated today or tonight.
In the hours before
Special weather statement, May 2, 2:19 PM MDT, 1 hour 8 minutes before
Special Weather Statement National Weather Service Cheyenne WY 219 PM MDT Sun May 2 2021 WYZ115-116-022045- South Laramie Range WY-Laramie Valley WY- 219 PM MDT Sun May 2 2021 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN ALBANY COUNTY UNTIL 245 PM MDT... At 219 PM MDT, Doppler radar was tracking a strong thunderstorm over Laramie, moving east at 25 mph. Half inch hail and wind gusts up to 50 mph will be possible with this storm. Locations impacted include... Laramie, Tie City Campground, Vedauwoo, University Of Wyoming War Memorial Stadium, Vedauwoo Campground, Buford, Yellow Pine Campground and The Buttes. This includes Interstate 80 in Wyoming between mile markers 307 and 335. PRECAUTIONARY/PREPAREDNESS ACTIONS... To report severe weather, contact your nearest law enforcement agency. They will relay your report to the National Weather Service office in Cheyenne. && LAT...LON 4124 10571 4142 10564 4136 10529 4108 10529 TIME...MOT...LOC 2019Z 289DEG 23KT 4131 10558 Hammer
Local storm report, May 2, 2:26 PM MDT, 1 hour 1 minute 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>Local storm report, May 2, 2:29 PM MDT, 58 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
229 PM MDT SUN MAY 2 2021
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0226 PM HAIL 2 NE LARAMIE 41.33N 105.56W
05/02/2021 M0.50 INCH ALBANY WY PUBLIC
REPORT FROM MPING: HALF-INCH (0.50 IN.).
&&Special weather statement, May 2, 2:38 PM MDT, 49 minutes before
Special Weather Statement
National Weather Service Cheyenne WY
238 PM MDT Sun May 2 2021
WYZ116-022115-
South Laramie Range WY-
238 PM MDT Sun May 2 2021
...SPECIAL WEATHER STATEMENT...
At 237 PM MDT, Doppler radar was tracking a strong thunderstorm over
Pumpkin Vine, or 19 miles south of Laramie. This storm was nearly
stationary.
Half inch hail will be possible with this storm.
Locations impacted include...
Pumpkin Vine.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 4103 10556 4112 10533 4100 10528 4100 10554
4101 10554
TIME...MOT...LOC 2037Z 245DEG 3KT 4104 10546
HammerSpecial weather statement, May 2, 2:46 PM MDT, 41 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>Special weather statement, May 2, 3:27 PM MDT, 0 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 Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 6:29 PM MDT | Special Weather Statement | CYS | Niobrara | 46 min |
| May 2, 3:38 AM MDT | Winter Storm Warning | CYS | Albany, Carbon | 35 hr |
| May 2, 3:38 AM MDT | Winter Weather Advisory | CYS | Albany, Carbon, Laramie | 35 hr |
| May 2, 2:19 PM MDT | Special Weather Statement | CYS | Albany | 26 min |
| May 2, 2:46 PM MDT | Special Weather Statement | CYS | Albany | 44 min |
| May 2, 3:45 PM MDT | Special Weather Statement | CYS | Albany | 45 min |
| May 2, 3:59 PM MDT | Special Weather Statement | CYS | Carbon | 46 min |
| May 2, 4:03 PM MDT | Special Weather Statement | CYS | Albany | 42 min |
| May 1, 7:42 PM MDT | Special Weather Statement | CYS | Sioux | 33 min |
| May 1, 8:16 PM MDT | Special Weather Statement | CYS | Dawes | 44 min |
| May 2, 12:15 PM MDT | Special Weather Statement | CYS | Cheyenne | 45 min |
| May 2, 4:21 PM MDT | Special Weather Statement | CYS | Morrill | 39 min |
| May 2, 5:01 PM MDT | Special Weather Statement | CYS | Morrill | 44 min |
| May 2, 5:50 PM MDT | Special Weather Statement | CYS | Morrill | 40 min |
Nearby
Special Weather Statements in Wyoming, 2021Every special weather statement 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.