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Archived

Avalanche Forecast

Apr 29th, 2018–Apr 30th, 2018
Alpine
Below Threshold
The avalanche danger rating in the alpine will be below threshold
Treeline
Below Threshold
The avalanche danger rating at treeline will be below threshold
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold
Alpine
Below Threshold
The avalanche danger rating in the alpine will be below threshold
Treeline
Below Threshold
The avalanche danger rating at treeline will be below threshold
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold
Alpine
Below Threshold
The avalanche danger rating in the alpine will be below threshold
Treeline
Below Threshold
The avalanche danger rating at treeline will be below threshold
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold

Regions: Glacier.

Elevated spring avalanche conditions. All permit areas are closed. Great day to go to the pool!

Weather Forecast

Scattered flurries, light northeast winds and a freezing level around 1900m today. Freezing level expected to rise to 2100m Monday with some solar input.

Snowpack Summary

Moist to wet surface layers are now being insulated by storm snow above 1900m. Below 1900 the surface will be super saturated now by persistent rain overnight on top of already moist surface layers.

Avalanche Summary

Prolonged elevated avalanche danger right now. Numerous avalanches to size 3.5 in the highway corridor from the 27-28 of April. Several slab avalanches to size 3 in the backcountry mainly on South through West aspects. These slabs initiated as point releases gathered mass and overloaded a mid pack sliding surface.

Confidence

Avalanche Problems

Loose Wet

Surface layers are somewhere between moist and saturated depending on elevation. Point releases can be expected throughout the day today and may gain mass becoming large slides.
Avoid exposure to avalanche terrain, large avalanches may reach the end of run out zones.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Very Likely

Expected Size: 1 - 3.5

Wet Slabs

Wet point releases have been gaining mass and in some cases releasing moist to wet slab avalanches as they progress down slope. These slides are running full path.
Avoid exposure to avalanche terrain, large avalanches may reach the end of run out zones.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Likely

Expected Size: 1 - 3

Cornices

Cornices are ripe and weakened by past warm weather. Avoid exposure to terrain below these large triggers.
Avoid exposure to avalanche terrain, large avalanches may reach the end of run out zones.

Aspects: North, North East, East, South East, South.

Elevations: Alpine.

Likelihood: Possible - Likely

Expected Size: 1 - 3