A Pacific Storm Brought Significant Snow West & Wind Everywhere Wed & Thur

A Pacific storm system brough significant snowfall to the western mountains Wednesday night and Thursday morning, and strong winds most places Thursday.  Western mountains received between 8 and 16 inches of wet new snow.  Snowfall across western valleys generally ranged from nothing to about 3 inches. Warmer air pushed into Star Valley and Jackson Hole Wednesday night switching snow to just a cold rain in most locations.  In addition to the significant snowfall, very strong winds were observed over much of western and central Wyoming. A wind gust of 134 MPH was measured in the Wyoming Range on Mount Coffin at 10870 feet.  The picture below shows a McDonalds's sign that was blown over in Southwest Casper Thursday morning.

Wind Damage - McDonald's sign blew over due to strong winds Thursday morning


Low Resolution Snowfall Map

High Resolution Snowfall Map


Total Snowfall Dec 28-29, 2011
County Station Name Snowfall
Fremont Burroughs Creek Snotel 10
Fremont Deer Park Snotel 5
Fremont Castle Creek Snotel 5
Fremont Brooks Lake Lodge 5
Fremont Little Warm Snotel 4
Fremont Cold Springs Snotel 4
Fremont Townsend Creek Snotel 2
Fremont Hobbs Park Snotel 2
Fremont St. Lawrence Alt Snotel 1
Fremont South Pass Snotel 1
Hot Springs Owl Creek Snotel 1
Johnson Bear Trap Meadow Snotel 1
Johnson Hansen Sawmill Snotel 1
Lincoln Blind Bull Summit Snotel 15
Lincoln Spring Creek Divide Snotel 14
Lincoln Willow Creek Snotel 12
Lincoln Indian Creek Snotel 11
Lincoln Cottonwood Creek Snotel 10
Lincoln Blind Bull Summit 6
Lincoln Kelley Ranger Station Snotel 5
Lincoln Box Y Ranch 5
Lincoln Hams Fork Snotel 4
Lincoln Alpine 3
Lincoln 5 SSE Smoot 3
Lincoln Salt River Summit Snotel 3
Lincoln Alpine 2
Lincoln Afton 1
Natrona Grave Spring Snotel 1
Park Evening Star Snotel 15
Park Blackwater Snotel 11
Park Beartooth Lake Snotel 10
Park Kirwin Snotel 4
Park Marquette Snotel 4
Park Younts Peak Snotel 3
Park Pahaska 3
Park Wolverine Snotel 3
Park Timber Creek Snotel 1
Sublette Triple Peak Snotel 14
Sublette Kendall Ranger Station Snotel 10
Sublette Snider Basin 8
Sublette Loomis Park Snotel 7
Sublette Elkhart Park G.S. Snotel 7
Sublette Gunsite Pass Snotel 6
Sublette Big Sandy Opening Snotel 5
Sublette Larsen Creek Snotel 5
Sublette New Fork Lake Snotel 5
Sublette Pocket Creek Snotel 4
Sublette East Rim Divide Snotel 4
Sublette Snider Basin Snotel 3
Sublette 14 NW Pinedale 2
Teton Grand Targhee Snotel 17
Teton Grassy Lake Snotel 16
Teton Phillips Bench Snotel 12
Teton Jackson Hole-Rendezvous Bowl 12
Teton Togwotee Pass Snotel 10
Teton Grand Targhee-Chief Joseph 10
Teton Jackson Hole-Raymer 10
Teton Jackson Hole-Mid 8
Teton Base Camp Snotel 6
Teton Granite Creek Snotel 6
Teton 3 SSW Wilson 6
Teton Snake River Stn Snotel 5
Teton Togwotee Mountain Lodge 4
Teton Moose 3.5
Teton Gros Ventre Summit Snotel 3
Teton 1 SE Wilson 2.5
Teton Wilson 2.5
Teton Jackson Hole-Base 2
Teton 5 NW Jackson 1
Washakie Powder River Pass Snotel 1
Yellowstone Two Ocean Plateau Snotel 16
Yellowstone Lewis Lake Divide Snotel 14
Yellowstone Thumb Divide Snotel 11
Yellowstone Sylvan Road Snotel 11
Yellowstone Parker Peak Snotel 10
Yellowstone Canyon Snotel 6
Yellowstone Sylvan Lake Snotel 6

Dec. 29th Max Wind Gusts
Location Wind Gusts (MPH) Time
Mount Coffin (10870 FT) 134 0930 AM

Chief Joseph Highway (8297 FT)

86 1150 AM
10 North of Buffalo on I-90 78 1000 AM
Jackson Hole Summit (10318 FT) 76 0830 AM
Clark 74 0306 AM
5 East of Wamsutter on I-80 63 0116 PM
Buffalo Airport 61 1001 AM
Beaver Rim 60 756 AM
Rock Springs Airport 59 1122 AM
Dubois Airport 58 1055 AM
Meeteetse 56 1241 PM
Hiland 55 1011 AM
Riverton Airport 54 1248 PM
Casper Airport 53 1040 AM
South Pass (8202 FT) 50 1001 AM
Greybull Airport 49 1109 AM
Lander Airport 46 0146 PM
Green River 45 1152 AM
Cody Airport 43 0355 AM
Kaycee 43 1109 AM

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