Avalanche Forecast
Issued: Dec 1st, 2024 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs and Deep Persistent Slabs.
Parks Canada/Parcs Canada,
Avalanche Canada
Alpine ridgetops can have small wind slabs and other spots have been stripped of snow. There is good riding to be had in sheltered areas.
Summary
Confidence
Moderate
Avalanche Summary
Saturday's patrol to Beauty creek did not observe any natural activity but visibility was poor. Sunday's patrol to Bald hills did not observe any natural activity and visibility was good. The field team ski cut released a size 1 windslab at ridgetop.
Snowpack Summary
15 cm of low density snow in sheltered areas overlies a faceted midpack. The November 20th surface hoar layer was found down 60 cm in one pit in the alpine. At treeline there is a crust down 30 cm. The October crust is widespread and is found near the base of the snow pack and has facets above and below. Snow depth is roughly 70 cm at treeline and tapers rapidly below.
Weather Summary
Monday will bring sun, cloud, no new snow, -4 °C, light West winds, and 1600m freezing level. Expect for Tuesday clouds, sun, no new snow, -3 °C, light winds, and 1700m freezing level. Wednesday and Thursday are flurries, light winds, and warmer temperatures at -1 °C and 2200m freezing level.
Terrain and Travel Advice
- Be careful as you transition into wind-affected terrain.
- Seek out sheltered terrain where new snow hasn't been affected by wind.
Problems
Wind Slabs
Expect windslabs at exposed ridgetop features particularly if winds increase next few days.
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Deep Persistent Slabs
The Oct 18 crust is found just above the ground with weak facets above and below it. There’s uncertainty around its distribution and triggerability. Activity has been observed to the south of JNP, but limited observations make it hard to predict when and where it may be a problem.
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Dec 4th, 2024 4:00PM
