Alert archive / Wyoming / Special Weather Statements in 2021
Special Weather Statement, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this special weather statement at May 15, 2021, 1:32 PM MDT for Uinta County, Wyoming. It was in force for 43 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 15, 2021, 1:32 PM MDT (19:32 UTC)
- Expired
- May 15, 2021, 2:15 PM MDT
- In force
- 43 min
- Issued by
- NWS Salt Lake City, UT
County Uinta County, WY
The radar
The Salt Lake City radar (KMTX), 148 km from the middle of the area, began a volume at 19:31 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
Riverton, WY (KRIW), launched 12:00Z, 7.5 hours before the alert went out and 260 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 933 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 203 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Salt Lake City, UT wrote its last area forecast discussion before this special weather statement went out at May 15, 10:30 AM MDT, 3 hours 2 minutes earlier.
Area forecast discussion, May 15, 10:30 AM MDT, 3 hours 2 minutes before
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</html>Hazardous weather outlook, May 15, 8:39 AM MDT, 4 hours 53 minutes before
Hazardous Weather Outlook National Weather Service Salt Lake City UT 839 AM MDT Sat May 15 2021 UTZ101>131-WYZ021-161300- Great Salt Lake Desert and Mountains-Tooele and Rush Valleys- Eastern Box Elder County-Northern Wasatch Front-Salt Lake Valley- Utah Valley-Cache Valley/Utah Portion-Wasatch Back- Bear Lake and Bear River Valley-Wasatch Mountains I-80 North- Wasatch Mountains South of I-80-Western Uinta Mountains- Wasatch Plateau/Book Cliffs-Western Uinta Basin- Western Millard and Juab Counties-Eastern Juab/Millard Counties- Central Mountains-Sanpete Valley-Sevier Valley-Castle Country- San Rafael Swell-Southwest Utah-Lower Washington County- Zion National Park-Southern Mountains-Upper Sevier River Valleys- Bryce Canyon Country-South Central Utah- Capitol Reef National Park and Vicinity-Western Canyonlands- Glen Canyon Recreation Area/Lake Powell-Southwest Wyoming- 839 AM MDT Sat May 15 2021 This Hazardous Weather Outlook is for portions of central Utah... northern Utah...southern Utah...southwest Utah and southwest Wyoming. .DAY ONE...Today and Tonight High based showers and thunderstorms are possible across much of northern Utah as well as the higher terrain of central and southern Utah and adjacent valleys. The main threat for most locations will be gusty, microburst winds. Areas near the Utah/Nevada border and across far northeastern Utah and Uinta County Wyoming may also see small hail. Critical fire weather conditions will continue across southern Utah today due to gusty winds and low humidity. .DAYS TWO THROUGH SEVEN...Sunday through Friday Critical fire weather conditions are expected again across southern Utah due to gusty winds and low humidity. Isolated to scattered showers and thunderstorms across northern Utah and central Utah on Sunday and spreading into southern Utah on Monday will be capable of producing gusty winds. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed. Please relay any information about observed severe weather to the NWS while following all local, state, and CDC guidelines. For more information from NOAA/s National Weather Service visit... http://weather.gov/saltlakecity For information on potential road travel impacts visit... http://www.udottraffic.utah.gov/roadweatherforecast.aspx
In the hours before
Special weather statement, May 15, 1:03 PM MDT, 29 minutes before
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</html>Special weather statement, May 15, 1:32 PM MDT, 0 minutes before
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<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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</html>The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 15, 4:25 PM MDT | Special Weather Statement | SLC | Rich | 35 min |
| May 15, 5:48 PM MDT | Special Weather Statement | SLC | 42 min | |
| May 15, 1:03 PM MDT | Special Weather Statement | SLC | Uinta | 42 min |
| May 15, 1:18 PM MDT | Severe Thunderstorm Warning | SLC | Uinta | 27 min |
| May 15, 1:44 PM MDT | Special Weather Statement | SLC | Uinta | 46 min |
| May 15, 2:30 PM MDT | Special Weather Statement | SLC | Uinta | 45 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.