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Archived

Avalanche Forecast

Mar 2nd, 2019–Mar 3rd, 2019
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
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
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

Regions: Glacier.

Even with three times Low take the time to ski your line one at a time, avoid exposure to cornices, terrain traps and other hazards. Be over prepared for cold today.

Weather Forecast

Arctic air has pushed back in again. Sunny with a cold -19C for an alpine high along with light to moderate easterly winds. Sunny with cloudy periods for Sunday with alpine high of -16C and similar forecast for Monday.

Snowpack Summary

15cm of settled, faceted snow resides on old wind slabs in sheltered areas. Moderate to strong winds have deposited thin wind slabs on exposed terrain features at ridge-top and exposed areas BTL. A crust on steep solar aspects makes for difficult traveling conditions, both uphill and down. The mid and lower snowpack is well settled and strong.

Avalanche Summary

No new avalanches observed in the highway corridor. Three skier triggered size 1 avalanches occurred Wednesday all reported on the MIN. All three involved small lenses of hard surface wind slab on steep features.

Confidence

Due to the number of field observations

Avalanche Problems

Wind Slabs

Moderate to strong winds and cold temperatures have been promoting wind slab development. Reactive wind slabs are occurring in isolated areas, these slabs may be overlying old dormant wind slabs or weak facetted snow.
Watch for whumpfing, hollow sounds, and shooting cracks.Watch for pockets of hard windslab in steep alpine terrain features..

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely

Expected Size: 1 - 2