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Archived

Avalanche Forecast

Apr 3rd, 2019–Apr 4th, 2019
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.

Spring-like conditions will remain for one more day, then we return to a few days of winter-ish weather. Clouds should knock down the power of the sun today, but if a prolonged amount of sun cooks a suspect slope, beware of wet avalanches.

Weather Forecast

Increasing clouds today with flurries late in the day, bringing 5-10cm overnight with moderate SW winds and freezing levels (FZL) around 1500m. Thursday will be mainly cloudy with sunny periods, light SW winds, and FZL around 1900m. Friday and Saturday will be unsettled, with 5-10cm expected both days, FZL at 1900m, and gusty moderate SW winds.

Snowpack Summary

The spring melt freeze cycle continues. The strong surface crust is unlikely to break down today, with increasing cloud. Below the crust, the snowpack is isothermal in thin snowpack areas BTL. The mid and lower snowpack is strong at tree line and above, where depths are over 2m. Dry snow can be found on Northerly aspects in the alpine.

Avalanche Summary

No new avalanches have been observed in the forecast region over the last several days. Last week, numerous glide cracks were opening up and failing at and below treeline on solar aspects.

Confidence

Avalanche Problems

Loose Wet

Surface melt-freeze crusts are capping weak isothermal snow in thin snowpack areas BTL. These crusts are prevalent at tree-line and above on solar aspects. Crusts have been breaking down by mid afternoon from the heat of the day.
Use extra caution on solar slopes or if the snow is moist or wet.If triggered loose wet sluffs may step down to deeper layers resulting in larger avalanches.

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

Elevations: Treeline, Below Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2