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Avalanche Forecast

Nov 27th, 2020–Nov 28th, 2020
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
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
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
2: Moderate
The avalanche danger rating below treeline will be moderate

Regions: Yukon.

A storm approaching Saturday and Sunday will gradually build avalanche danger, particularly on exposed slopes.

Confidence

Low - Uncertainty is due to the limited number of field observations.

Weather Forecast

FRIDAY NIGHT: Dry, light winds and temperatures around -6C.

SATURDAY: 5-10 cm new snow starting around noon. Strong southeasterly winds. Temperatures around -8C.

SUNDAY: 10-20 cm new snow. Strong southerly winds. Temperatures around -6C

MONDAY: 2-4 cm new snow. Moderate southerly winds. Temperatures around -8C.

Avalanche Summary

No avalanches have been reported but there have been no recent observations submitted.

Snowpack Summary

The winter snowpack is starting to fill in with snowpack depths at White Pass in the region of 100-130 cm. Expect to see around 15 cm relatively low density snow overlying older snow, which may be hard where it had previously been blown by the wind.

Terrain and Travel

  • Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.
  • In times of uncertainty conservative terrain choices are our best defense.

Avalanche Problems

Wind Slabs

Wind slabs will start to form with anticipated new snow and wind starting on Saturday afternoon.

Aspects: North, North East, East, North West.

Elevations: Alpine, Treeline.

Likelihood: Likely

Expected Size: 1 - 2