A Pacific trough and ample moisture moved into the western mountains and brought heavy amounts of snow. The highest amount was reported at the Jackson Hole Ski Resort where 19 inches of new snow fell on top of the mountain. Other notable amounts included 12 inches in southwestern Yellowstone, 8 inches in the town of Jackson, Wyoming and 13 inches near Smoot, Wyoming in the Star Valley. In central Wyoming, strong mid level winds were forced to the ground by a strong jet stream. Winds gusted as high as 84 mph to the east of Casper in Natrona County, Wyoming. Other strong wind gusts included 69 mph at the Riverton, Wyoming airport, 77 mph near Lander, Wyoming and 64 mph at the Sweetwater County airport near Rock Springs, Wyoming.

Winter Storm in YELLOWSTONE NATIONAL PARK, WYOMING
From 13-NOV-20 13:00:00 to 14-NOV-20 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Heavy snow fell in portions of Yellowstone Park. The highest amount reported was 13 inches at the Lewis Lake SNOTEL site.

High Wind in NORTHEAST JOHNSON COUNTY, WYOMING
From 13-NOV-20 19:37:00 to 14-NOV-20 05:56:00 (MST-7)
Magnitude: 60.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Along Interstate 25, several wind gusts over 58 mph were recorded, including a maximum gist of 69 mph.

High Wind in CODY FOOTHILLS, WYOMING
From 13-NOV-20 14:46:00 to 13-NOV-20 15:46:00 (MST-7)
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

A maximum wind gust of 68 mph was recorded at the Dry Creek RAWS site.

High Wind in BIGHORN MOUNTAINS SOUTHEAST, WYOMING
From 13-NOV-20 12:47:00 to 13-NOV-20 18:47:00 (MST-7)
Magnitude: 70.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

A maximum wind gust of 80 mph was recorded at the School House RAWS site.

High Wind in NATRONA COUNTY LOWER ELEVATIONS, WYOMING
From 13-NOV-20 04:10:00 to 14-NOV-20 02:14:00 (MST-7)
Magnitude: 73.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Wind gusts past 58 mph were recorded across much of Natrona County, Wyoming. The strongest gusts were 84 mph along Hat Six road east of Casper, Wyoming and 80 mph along Wyoming Boulevard south of Casper, Wyoming. At the Natrona County, Wyoming airport, a maximum wind gust of 61 mph was reported.

Winter Storm in TETON & GROS VENTRE MOUNTAINS, WYOMING
From 13-NOV-20 13:00:00 to 14-NOV-20 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Heavy snow fell in the Tetons. The highest amount reported was 19 inches at the top of the Jackson Hole, Wyoming ski resort.

High Wind in GREEN MOUNTAINS & RATTLESNAKE RANGE, WYOMING
From 13-NOV-20 13:10:00 to 13-NOV-20 20:10:00 (MST-7)
Magnitude: 64.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Wind gusts of 74 mph were reported at Beaver Rim along US 287 as well as the Fales Rock, Wyoming RAWS site.

Winter Storm in SALT RIVER & WYOMING RANGES, WYOMING
From 13-NOV-20 15:00:00 to 14-NOV-20 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Heavy snow fell in portions of the Salt and Wyoming Ranges. The highest amount reported was 12 inches at the Spring Creek and Triple Peak SNOTEL sites.

Winter Storm in STAR VALLEY, WYOMING
From 13-NOV-20 15:00:00 to 14-NOV-20 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Heavy snow fell in portions of the Star Valley. The highest amount reported was 13 inches near Smoot, Wyoming.

Winter Storm in JACKSON HOLE, WYOMING
From 13-NOV-20 15:00:00 to 14-NOV-20 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy snow fell in the Jackson Valley. Amounts generally ranged from 6 to 11 inches including 8 inches in the town of Jackson, Wyoming.

High Wind in LANDER FOOTHILLS, WYOMING
From 13-NOV-20 15:42:00 to 13-NOV-20 19:47:00 (MST-7)
Magnitude: 67.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

High winds occurred in the Lander, Wyoming Foothills. Maximum wind gusts were 77 mph in Sinks Canyon and 59 mph at the Lander, Wyoming airport.

High Wind in ROCK SPRINGS & GREEN RIVER, WYOMING
From 14-NOV-20 02:16:00 to 14-NOV-20 02:34:00 (MST-7)
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Wind gusts of 58 to 60 mph were reported along Interstate 80 in the vicinity of Green River, Wyoming.

High Wind in WIND RIVER BASIN, WYOMING
From 14-NOV-20 06:12:00 to 14-NOV-20 21:35:00 (MST-7)
Magnitude: 60.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Several wind gusts past 58 mph were recorded at the Riverton, Wyoming airport, including a maximum gust of 69 mph.

High Wind in EAST SWEETWATER COUNTY, WYOMING
From 14-NOV-20 02:44:00 to 14-NOV-20 03:44:00 (MST-7)
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A wind gust of 64 mph was recorded at the Sweetwater County, Wyoming airport.