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Archived

Avalanche Forecast

Apr 28th, 2016–Apr 29th, 2016
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.

We have finished producing daily forecasts for the year. Enjoy the SPRING CONDITIONS. Stay up to date on mountain conditions with Parks Mountain Safety and the ACMG's Mountain Condition Report.

Weather Forecast

Spring weather conditions can easily swing between cold wintery storms and warm summer-like afternoons. Although the snowpack is receding, new storm slabs can develop under the right conditions. Be sure to study the weather forecast before heading into the backcountry.

Snowpack Summary

Melting is happening fast at lower elevations.  Expect open creeks in the valley bottoms. The snowpack will become weak with daytime warming, solar input, and rain. Watch the snowpack carefully as the day progresses and be sure to start and end your days early.

Avalanche Summary

Loose wet avalanche continue to be observed with daytime warming.

Confidence

Avalanche Problems

Loose Wet

Warmer temp's are preventing a strong surface crust to refreeze at night. Strong sun or rain will quickly overcome any strength in the snowpack, causing widespread loose wet avalanches.
Use extra caution on slopes if the snow is moist or wet.Avoid avalanche terrain during periods of rain.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Possible - Likely

Expected Size: 1 - 3

Wet Slabs

With the warms temps and rain, avalanche activity will surely increase. Without a strong overnight freeze the snowpack will warm & lose its structure. As this happens it can sporadically fail as large destructive wet slab avalanches
Avoid exposure to overhead slopes with Glide Cracks. Avalanches may reach the end of run out zones.Avoid avalanche terrain during periods of heavy rain.

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

Elevations: All elevations.

Likelihood: Possible

Expected Size: 2 - 3