Archived

Avalanche Forecast

Dec 31st, 2018–Jan 3rd, 2019

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

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

Regions: Waterton Lakes.

Weather Forecast

A mix of sun and cloud for Mon / Tues with 5- 10 mm of preicipitation arriving on Thurs. Temperatures will remain cold for the next 24 hours but freezing level will begin to rise near the end of the week.

Snowpack Summary

20cm of low density storm snowin the last 24h.Watch for Windslab development Thur/ Fri The snowpack remains variable with depths ranging from 20 to 160cm along the divide. The middle of the snowpack appears to be gaining strength in deeper areas, though thin areas remain weak.

Avalanche Summary

One natural size 1.5 avalanche was observed off Rowe peak in the Cameron Valley. (SW asp @ 2200m)

Confidence

Intensity of incoming weather systems is uncertain on Thursday

Avalanche Problems

Storm Slabs

Expect this problem to transition to a Wind Slab by Thurs.

If triggered the storm/wind slabs may step down to deeper layers resulting in large avalanches.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2

Deep Persistent Slabs

Caution shallow trigger locations

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Unlikely

Expected Size: 1 - 2.5