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Archived

Avalanche Forecast

Dec 13th, 2021–Dec 14th, 2021
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
3: Considerable
The avalanche danger rating at treeline will be considerable
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate
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
2: Moderate
The avalanche danger rating below treeline will be moderate
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: South Coast.

Forecast snow and wind overnight on Monday are expected to form fresh storm slabs reactive to human triggers, especially in wind-affected terrain.

Make conservative terrain choices, and use small slopes, with low consequence to test the bond of the new snow.

Confidence

Moderate - Forecast snowfall amounts are uncertain.

Weather Forecast

MONDAY NIGHT: Snow, 15-25 cm / Strong, southeasterly winds / Low of -2 C / Freezing level 500 m.

TUESDAY: Mostly cloudy with flurries; 0-3 cm / Moderate, southeasterly winds / High of 0 C / Freezing level 600 m.

WEDNESDAY: Mostly cloudy / Light, westerly winds / High of 1 C / Freezing level 700 m.

THURSDAY: Mix of sun and cloud / Light, northwesterly winds / High of 1 C / Freezing level 600 m.

Avalanche Summary

Forecast 15-25 cm of snow and strong southeasterly winds overnight Monday are expected to form fresh storm slabs reactive to human triggers, especially in wind-affected terrain.

Snowpack Summary

Forecast 15-25 cm of snow and strong southeasterly winds overnight Monday are expected to form fresh storm slabs reactive to human triggers, especially in wind-affected terrain.

Below the early December crust layers, the snowpack is generally well-settled and strong. 

Terrain and Travel

  • Storm snow and wind is forming touchy slabs. Use caution in lee areas in the alpine and treeline.
  • Avoid freshly wind loaded features, especially near ridge crests, roll-overs and in steep terrain.
  • Shooting cracks, whumphs and recent avalanches are strong indicators of an unstable snowpack.
  • Use small low consequence slopes to test the bond of the new snow.
  • Avoid terrain traps where the consequence of any avalanche could be serious.

Avalanche Problems

Storm Slabs

Forecast 15-25 cm of snow and strong southeasterly winds overnight Monday are expected to form fresh storm slabs reactive to human triggers, especially in wind-affected terrain.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Likely

Expected Size: 1 - 2