Archived

Avalanche Forecast

Mar 21st, 2020–Mar 22nd, 2020

Alpine

1: Low

The avalanche danger rating in the alpine will be low

Treeline

1: Low

The avalanche danger rating at treeline will be low

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

1: Low

The avalanche danger rating at treeline will be low

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

1: Low

The avalanche danger rating at treeline will be low

Below Treeline

1: Low

The avalanche danger rating below treeline will be low

Regions: Little Yoho.

Snow with elevated winds overnight Sunday will start the change in conditions through next week.

Weather Forecast

Skies became overcast Saturday afternoon and the possibility of precip increases into Sunday afternoon and through the start of the week with up to 15cm possible by Monday evening. Alpine winds are expected to pick up to strong SW Sunday afternoon with alpine temperatures between -10 and -15C.

Snowpack Summary

5-10cm of snow accumulation Wednesday. Widespread wind effect in the alpine from recent multidirectional winds. Sun crust on solar aspects. The deep snowpack of Little Yoho is generally strong with few weaknesses.

Avalanche Summary

Several solar triggered small loose avalanches observed Wednesday and Thursday. Otherwise, no new avalanches observed or reported.

Our observations are very limited and we appreciate your reports to the MIN.

Confidence

Avalanche Problems

Wind Slabs

Recent snow and winds from variable directions have developed wind slabs in lee areas on a variety of aspects. These are generally small but remain possible to trigger and require some caution in steep or committing terrain.

Variable winds may create pockets of wind slab in some unexpected locations.

Aspects: All aspects.

Elevations: Alpine.

Likelihood: Unlikely - Possible

Expected Size: 1 - 1.5