As the weekend approaches, make sure to add looking at the snow report to your gear checklist!
Avalanche risk and conditions of the snow pack are as important to your safety as your snowsuit.
Your Weekend Snow Report is brought to you by Rocky Mountain Powersports.
WESTERN WYOMING AVALANCHE ADVISORY
Warm moist air from the Pacific continues to stream into the region. During the past 24 hours there have been breaks in the intensity of the snowfall. Due to warm temperatures the snow has been dense. Snowfall totals during this period have ranged from 6 to 10 inches in the Teton Range and 3 to 6 inches on Togwotee Pass and in the Southwest Trails/Greys River area. Snow water equivalent totals since this storm cycle began on Saturday afternoon are close to 5 inches in the favored areas of the Teton Range and 2 to 3 inches elsewhere.
Skies have been mostly overcast with periods of light to moderate snowfall. Temperatures were in the low to mid 20s at 10,000 feet and in the upper 20s at 8,000 feet. Valley temperatures were in the 30s. The freezing level rose to around 7,000 feet. Winds have been from the south-southwest to the west-southwest at 15 to 30 with gusts from 45 to 65 miles per hour.
Snow surfaces at the lower elevations are wet. These spring-like conditions are occurring in the upper portion of a snowpack with poor snow structure. At the mid and upper elevations high rates of snow settlement are occurring due to the warm temperatures and the large load that has been placed on the snowpack during the past three days.
At 12:30 this afternoon snow on a road cut between the Twin Slides avalanche paths on Mt. Glory released naturally and put three feet of avalanche debris across both lanes of the highway over Teton Pass. The Taco Bell slide was reported to have released at 5:30 PM. Debris from that slide did not run to Flat Creek.
FORECAST FOR Thursday, February 28, 2019
Skies will be mostly cloudy tonight with scattered light snow showers. Snow will return on Thursday. Expected amounts are 6 to 10 inches in the Tetons, 4 to 8 inches in the Greys River area, and 3 to 5 inches in the valleys. Temperatures will be in the 20s in the mountains and rise into the 30s in the valleys. Winds will be from the southwest at 15 to 25 with gusts to 45 miles per hour.
An avalanche warning is in effect until 6 AM on Thursday morning. This avalanche warning will be re-evaluated at 5 AM.
Conditions remain very dangerous. Our snowpack has been subjected to a huge multi-day loading event and is struggling to adjust. At the mid and upper elevations dynamic processes are actively occurring in the snowpack (creep and settlement) and are being exasperated by warm temperatures and more snow. All of this is taking place in a snowpack with deeply buried persistent weak layers. Wet slides are a concern at the lower elevations. These conditions present uncertainties with respect to the stability of the snowpack at all elevations. Although the likelihood for large to very large avalanches to release naturally or be triggered by humans may be less that it has been, the consequences of being involved in a large destructive avalanche are severe. For these reasons the general avalanche hazard is expected to be high and travel in avalanche terrain is not recommended.
TREND THROUGH THE WEEKEND
For area specifics, go to the Bridger-Teton Avalanche Center website.
View a real-time snow accumulation map HERE.
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