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Archived

Avalanche Forecast

Mar 30th, 2025–Mar 31st, 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
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: Bonnington, Crawford, Grohman, Kokanee, Kootenay Boundary, Kootenay Pass, Moyie, Norns, Rossland, St. Mary, Ymir.

Surface conditions and recent precipitation amounts are variable. Verify conditions as you travel.

Back off steep slopes if you find moist surface snow and no supportive crust.

Confidence

Moderate

Avalanche Summary

On Saturday and Sunday, numerous small wet loose avalanches were reported across the region. Similar activity is expected to continue with pulses of new snow, fluctuating freezing levels, and periods of sun.

Snowpack Summary

New snow has buried a melt-freeze crust of variable thickness that increases in supportiveness as you gain elevation. Below this crust, snow remains moist in the upper snowpack.

Weak layers in the middle and lower snowpack remain a concern for human-triggering, where a hard melt-freeze crust has not yet formed or breaks down during periods of sun or rising freezing levels.

Weather Summary

Sunday Night

Cloudy, flurries, 2 to 3 cm. 30 to 35 km/h southeast ridgetop wind. Treeline temperature -5 °Ç.

Monday

Cloudy. Flurries, 3 to 6 cm. 10 to 20 km/h southwest wind. Treeline temperature 0 °C. Freezing level 1700 m.

Tuesday

Cloudy, isolated flurries, 2 to 3 cm. 20 to 30 km/h northwest ridgetop wind. Treeline temperature 0 °C. Freezing level 1700 m.

Wednesday

Mainly cloudy, isolated flurries, 2 to 4 cm. 20 to 30 km/h northwest wind. Treeline temperature -3 °C. Freezing level 1700 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Back off slopes as the surface becomes moist or wet with rising temperatures.
  • A moist or wet snow surface, pinwheeling, and natural avalanches are all indicators of a weakening snowpack.

Avalanche Problems

Loose Wet

Pulses of new snow and fluctuating freezing levels will see wet loose activity continue. Back off steep slopes where moist surfaces are found.

Aspects: East, South East, South, South West, West.

Elevations: All elevations.

Likelihood: Likely

Expected Size: 1 - 2

Persistent Slabs

Several persistent weak layers exist in the upper meter of the snowpack. Where these layers remain intact and there is no thick melt-freeze crust human-triggering remains possible.

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

Elevations: Alpine, Treeline.

Likelihood: Unlikely

Expected Size: 2.5 - 3.5