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Avalanche Forecast

Jan 27th, 2019–Jan 28th, 2019
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
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
2: Moderate
The avalanche danger rating at treeline will be moderate
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
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: South Coast Inland.

Continue to observe for signs of the lingering weak layer buried in our snowpack and affected snow from recent wind transportation.

Confidence

High -

Weather Forecast

SUNDAY NIGHT: Clear skies, freezing level below valley bottom.MONDAY: Mix of sun and clouds, light northwest winds, alpine temperature -2 C, freezing level below valley bottom.TUESDAY: Mix of sun and clouds, light northwest winds, alpine temperature 1 C, above freezing layer possible, with inversion conditions.WEDNESDAY: Mix of sun and clouds, light west winds, alpine temperature 0 C, above freezing layer possible, with inversion conditions.

Avalanche Summary

Loose wet avalanches were observed on steep southerly terrain features on Saturday and Sunday.

Snowpack Summary

On the snow surface, you will likely find a melt-freeze crust on southerly aspects to the top of the mountain and wind affected snow in the alpine. Wind deposits may exist in lee terrain features due to recent west winds.Around 30 to 50 cm of snow sits on a melt-freeze crust on southerly aspects, a crust below around 1700 m on all aspects, and feathery surface hoar in areas sheltered by the wind at all elevation bands. The surface hoar may be most pronounced on west, north, and east aspects between 1700 m and 2000 m.Below this, the snowpack is generally well-settled.

Avalanche Problems

Persistent Slabs

Around 30 to 50 cm of snow sits above a weak layer of surface hoar. This layer is likely best preserved in shaded and sheltered areas between 1700 m and 2000 m. Use added caution in exposed terrain due to recent west winds.
Use caution in lee areas. Recent wind loading has created wind slabs.Watch for signs of instability such as whumpfing, cracking, or recent avalanches.Pay attention to overhead hazards like cornices, which could easily trigger persistent slabs.

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

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2