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Archived

Avalanche Forecast

Feb 8th, 2025–Feb 9th, 2025
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
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: Brazeau, Churchill, Cirrus-Wilson, Fryatt, Icefields, Jasper, Maligne, Marmot, Miette Lake, Pyramid.

For the best turns look for sheltered areas, winds have significantly impacted open areas in the alpine and treeline.

Confidence

No Rating

Avalanche Summary

On February 5th, a size 2.5 Deep Persistent Slab avalanche was observed in the Churchill area along the 93N. It was triggered by cornice fall and stepped down to the Deep Persistent layer.

Snowpack Summary

The 10-25 cm from Feb 1st, mostly redistributed by wind, sits over top of a weak layer consisting of temperature crusts, winds slabs, or faceted snow. The midpack is weak and faceted. The early season crusts are faceting and breaking down but continue to persist along with large depth hoar at the base. The snowpack at tree line is 70-130 cm in the Icefields area and 50 cm in the Maligne area.

Weather Summary

Saturday

A mix of sun and cloud. Precipitation: Nil. Alpine temperature: High -19 °C. Ridge wind west: 10-20 km/h.

Monday

Sunny with cloudy periods. Precipitation: Nil. Alpine temperature: Low -26 °C, High -18 °C. Ridge wind light to 15 km/h.

Tuesday

A mix of sun and cloud. Precipitation: Nil. Alpine temperature: Low -25 °C, High -15 °C. Mostly light ridge wind occasionally gusting to 35 km/h.

Terrain and Travel Advice

  • If triggered, wind slabs avalanches may step down to deeper layers resulting in larger avalanches.

Avalanche Problems

Wind Slabs

10-20cm of soft snow has been redistributed into windslabs in lee features particularly at ridgetops. They appear to be stubborn to trigger but be sure to assess this before entering wind effected terrain. Watch for windslabs on all aspects as winds have been variable in direction.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2.5

Deep Persistent Slabs

A variety of crusts with facets above and below exist at the bottom of the snowpack. These layers are going to be with us for a long time and pose a low probability, high consequence situation if triggered.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 2 - 3