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Archived

Avalanche Forecast

Feb 15th, 2025–Feb 16th, 2025
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
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

New snow and wind will build storm slabs that are deeper in wind loaded areas.

If you see more than 30 cm of new snow where you are in the mountains treat the hazard as considerable.

Confidence

Moderate

Avalanche Summary

In the past few days only one avalanche was reported in the Adder area. It was a small (size 1) remote triggered avalanche on a north aspect in the treeline. The reported also described a few older avalanches up to size 2. See the whole report here.

If you are getting out in the backcountry, consider making a post on the MIN (Mountain Information Network). You can share riding conditions, avalanche or snowpack observations, or even just a photo or two.

Snowpack Summary

10 to 20 cm of new snow is falling on wind-affected snow on all aspects in wind-exposed terrain, in sheltered terrain near-surface faceting and in places surface hoar have been reported. On sunny slopes this new snow will fall on a hard sun crust.

A widespread crust, combined with a thin layer of weak facets in some areas, can be found 30 to 70 cm deep, under generally low density snow. Otherwise, the mid and lower snowpack contains no other layers of concern.

Weather Summary

Saturday Night

Cloudy with 10 to 20 cm of snow, up to 40 cm on the west coast of the island. 30 to 60 km/h southwest ridgetop wind. Treeline temperature -3 °C.

Sunday

Cloudy with 5 to 10 cm of snow. 20 to 30 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level rising to 1200m

Monday

Mix of sun and cloud. 10 to 20 km/h southwest ridgetop wind. Treeline temperature 3 °C. Freezing level rising to 1500 m.

Tuesday

Mix of sun and cloud. 10 to 20 km/h southwest ridgetop wind. Treeline temperature 3 °C. Freezing level rising to 1500 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Use caution above cliffs and terrain traps where even small avalanches may have severe consequences.
  • Watch for fresh storm slabs building throughout the day.

Avalanche Problems

Storm Slabs

New storm slabs will form throughout the day, start in small terrain to assess the bond of the new snow to the old surface.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Very Likely

Expected Size: 1 - 2