Avalanche Forecast
Issued: Apr 7th, 2023 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Deep Persistent Slabs.
PW,
Avalanche Canada
Our deep persistent slab is still a concern, continue to avoid thick to thin areas while recreating.
Be mindful of the daytime warming of the snowpack as temperatures are not forecast to cool off significantly Friday night.
Summary
Confidence
Moderate
Avalanche Summary
No new natural activity. Explosive work at ski hills producing size 1-1.5 wind slabs out of extreme terrain.
Snowpack Summary
Warm temperatures have likely formed a new crust on all aspects up to tree line. Isolated wind slabs sit on sun crusts to ridge top and temperature crusts below 1500m. The mid-pack in this area is generally strong, although the base of the snowpack consists of weak facets in thin areas (<2 m).
Weather Summary
Saturday: Scattered flurries will bring light snowfall to the region.
Ridgetop winds will be from the southwest near 40-50 km/h and freezing levels forecast to hit 2000m. The alpine high should range between 0C and +5C.
Sunday: Winds and temperatures will rise significantly through the day. Freezing levels are forecast to hit between 2300m-2700m and winds will push up into the strong/extreme range out of the south west. The snow/rain will start Sunday evening.
For a detailed weather forecast click here.
Terrain and Travel Advice
- Avoid shallow, rocky areas where the snowpack transitions from thick to thin.
Problems
Deep Persistent Slabs
Continue to pay attention to the weak basal facet layer in areas where the snowpack is shallow (<2 m) such as moraines or wind-scoured areas, or in places with large triggers like cornices that could impact the slope.
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Apr 8th, 2023 4:00PM
