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Archived

Avalanche Forecast

Apr 2nd, 2025–Apr 3rd, 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
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: Brandywine, Garibaldi, Homathko, Sea To Sky, Spearhead, Tantalus.

Cornice and wet loose avalanches are possible in steep terrain.

Use caution on sun-exposed slopes and always practice good travel habits.

Confidence

Moderate

Avalanche Summary

Observations since the weekend have been limited to explosive-triggered cornices (size 2 to 2.5) and small wet loose avalanches.

Following last week's widespread avalanche cycle, there were still some notable events over the weekend, including a size 2.5 slab triggered by a cornice fall on Tremor Mountain (see photo). The persistent slab problem is currently dormant and likely requires a very large cornice fall on isolated slopes to trigger.

Snowpack Summary

Expect wet and moist surfaces on sun-exposed slopes. 10 to 20 cm of wind-affected dry snow exists at high elevations, sitting over a melt-freeze crust. Below this, the upper snowpack remains moist or wet.

Several persistent weak layers from January, February, and March can be found between 1 and 3 m deep in the Sea to Sky area.

At lower elevations, the rain-saturated snowpack tapers quickly with elevation.

Weather Summary

Wednesday Night

Partly cloudy. 20 km/h northwest ridgetop wind. Treeline temperature -4 °C.

Thursday

Mostly sunny. 20 km/h northwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1700 m.

Friday

Sunny. 10 km/h southeast ridgetop wind. Treeline temperature +2 °C. Freezing level 2000 m.

Saturday

Mix of sun and cloud. 30 km/h south ridgetop wind. Treeline temperature +3 °C. Freezing level 2300 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be alert to conditions that change with elevation, aspect, and exposure to wind.
  • Carefully evaluate big and steep terrain features before committing to them.
  • Limit exposure to steep, sun exposed slopes, especially when the solar radiation is strong.
  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.

Avalanche Problems

Loose Wet

Periods of sun could trigger wet loose avalanches.

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

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2

Cornices

Cornices hang over ridges and may be triggered by sunshine or people travelling along ridgelines.

Aspects: North, North East, North West.

Elevations: Alpine.

Likelihood: Unlikely - Possible

Expected Size: 2 - 2.5