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Avalanche Forecast

Apr 19th, 2025–Apr 20th, 2025
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: Dogtooth, East Purcell, Purcells, West Purcell.

Use extra caution around cornices: they are large, fragile, and can trigger slabs on slopes below.

Confidence

Moderate

Avalanche Summary

On Friday, several naturally triggered wet loose avalanches up to size 2 were reported on steep solar aspects.

NOTE: Observations are currently very limited in this region.

Snowpack Summary

Most terrain has experienced significant melt-freeze conditions, though some northerly alpine slopes may still hold a few centimetres of dry snow.

While weak layers at the bottom or middle of the snowpack have been a concern throughout the season, the current lack of avalanche activity and benign weather suggest they are not a concern at this time. They could become problematic again this spring whenever temperatures rise significantly.

Weather Summary

Saturday Night

Mostly cloudy with isolated flurries, 0 to 5 cm snow. 5 to 10 km/h northwest ridgetop wind. Treeline temperature -4 °C. Freezing level 1200 m.

Sunday

Mix of sun and cloud with isolated flurries, 0 to 5 cm snow. 5 to 10 km/h west ridgetop wind. Treeline temperature -2 °C. Freezing level 1900 m.

Monday

Mostly cloudy with isolated flurries, 0 to 5 cm snow. 10 to 20 km/h northwest ridgetop wind. Treeline temperature -3 °C. Freezing level 1800 m.

Tuesday

Mix of sun and cloud. 5 to 10 km/h west ridgetop wind. Treeline temperature 0 °C. Freezing level 2000 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.
  • Carefully evaluate big and steep terrain features before committing to them.
  • Avalanche activity is unlikely when a thick melt-freeze crust is present on the snow surface.

Avalanche Problems

Cornices

Cornices remain a concern on north-facing alpine slopes. While slab avalanches are unlikely, a large cornice fall could possibly trigger one on the slope below.

Aspects: North, North East, North West.

Elevations: Alpine.

Likelihood: Unlikely

Expected Size: 1.5 - 2.5