Avalog
Register
Get forecast notifications
Create an account to receive email notifications when forecasts are published.
Register
Login
Archived

Avalanche Forecast

Dec 30th, 2022–Dec 31st, 2022
Alpine
4: High
The avalanche danger rating in the alpine will be high
Treeline
4: High
The avalanche danger rating at treeline will be high
Below Treeline
3: Considerable
The avalanche danger rating below treeline will be considerable
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: West Island.

Continue to choose simple terrain and avoid avalanche terrain. Storm snow will likely need more time to bond to the underlying crust.

Confidence

High

Avalanche Summary

Observations in this region are limited but we are confident that a natural avalanche cycle has been taking place during the storm. Natural avalanche activity could continue on Saturday.

Snowpack Summary

By mid day Saturday up to 120mm of new precipitation will have formed storm and wind slab at treeline and above as well as isolated features below treeline. The largest and most reactive slabs will be found on northerly aspects. A new crust likely extends from 1000m up to 1600m. Below 1000m the snow surface is still moist.

Once again terrain below treeline has limited or no coverage.

Weather Summary

Friday Night

cloudy with around 15cm of new snow expected at higher elevations. Moderate to strong southwest winds and freezing levels around 1300m.

Saturday

Cloudy with flurries bringing around 5cm of new snow to higher elevations. Moderate to strong westerly winds and freezing level around 1300m.

Sunday

Mostly cloudy with the possibility of light flurries bringing trace amounts of new snow. Light to moderate southeast winds and freezing levels around 900m.

Monday

cloudy with light flurries bringing trace amounts of new snow.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Avoid all avalanche terrain during periods of heavy snowfall.
  • Continue to make conservative terrain choices while the storm snow settles and stabilizes.
  • Be alert to conditions that change with aspect and elevation.

Avalanche Problems

Storm Slabs

New snow and wind will have formed storm and wind slabs. The largest and most reactive slabs will likely be found on north and east aspects. Avalanches could be larger and more reactive than expected due to the crust slabs will form over.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Certain

Expected Size: 1.5 - 3