Avalanche Forecast
Issued: Jan 7th, 2025 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
Parks Canada,
Avalanche Canada
There is some uncertainty regarding overnight snowfall amounts on Tuesday.
Expect wind slabs to become reactive to human triggering if we receive more than 5 cm by Wednesday morning.
Summary
Confidence
Moderate
Avalanche Summary
No new avalanche activity reported on Tuesday.
On Monday there was a size 1.5 wind slab avalanche in the alpine on Macdonald West Shoulder 4, likely skier triggered.
Snowpack Summary
2-10cm of new snow overnight on Tues will arrive with moderate SW wind creating new wind slab. Snowfall on Tues night will burry multiple crusts found within in the upper snowpack from recent solar inputs and a freezing rain event Saturday afternoon. Â
The wind direction has been variable over the past week making buried wind slab a possibility on all aspects in the Alpine.
Overall the mid and lower snowpack is strong and well settled.
Weather Summary
A frontal system passes through our area this evening bringing light precipitation,
Tonight Flurries. 2-10cm snow. Ridge wind SW 35 km/h. Freezing level (FZL) 800m.
Wed Mainly cloudy with isolated flurries. Trace precipitation. Alpine high -6 °C. Ridge wind W 20-40. FZL 1300m.
Thurs Mainly cloudy. No precip. Alpine high -4. Ridge wind SW 15 km/h. FZL 1200m.
Fri Flurries. Accumulation 7 cm. Wind SW20-40. FZL 1000m
Terrain and Travel Advice
- Small avalanches can have serious consequences in extreme terrain. Carefully evaluate your line for slabs before you commit to it.
- Be especially cautious as you transition into wind-affected terrain.
- Recent wind has varied in direction, so watch for wind slabs on all aspects.
Problems
Wind Slabs
Moderate SW wind and 2-10 cm of new snow on Tues night will increase the reactivity of surface wind slab. Wind direction has been variable over the past week with periods of northerly wind resulting in some reverse loading. Pockets of wind slab may exist on all aspects near ridgetops in the alpine.
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Jan 8th, 2025 4:00PM
