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Archived

Avalanche Forecast

Mar 14th, 2025–Mar 15th, 2025
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
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
3: Considerable
The avalanche danger rating in the alpine will be considerable
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: Coquihalla, Manning.

Stick to conservative terrain. Fresh, reactive slabs are expected to form throughout the day.

Winter isn't over yet. Check out the new forecaster blog here.

Confidence

Moderate

Avalanche Summary

On Thursday, a skier triggered a size 1 avalanche on a northeast aspect at treeline in the Coquihalla. Read full MIN here.

Observations have been limited throughout this week's storms. Rider-triggered storm slabs remain likely on Saturday as new snow and wind form fresh, reactive slabs.

Snowpack Summary

5 to 15 cm of new snow on Saturday will add to 65 cm of recent storm snow. This sits above a crust on all aspects except on high, north-facing alpine terrain. Moderate to strong southwest winds have redistributed storm snow into deeper pockets on lee slopes at ridgeline, forming wind slabs.

A layer of facets and surface hoar which formed in February have been found 80 to 140 cm down, and a layer of facets and surface hoar from late January can be found down to 120 to 180 cm. No recent notable test results have been seen on these layers.

Weather Summary

Friday Night

Increasing cloud cover. 5 to 20 km/h southeast ridgetop wind. Treeline temperature -5 °C. Freezing level 700 m.

Saturday

Cloudy with 5 to 15 cm of new snow. 30 to 50 km/h southwest ridgetop wind. Treeline temperature -5 C. Freezing level 1100 m.

Sunday

A mix of sun and cloud with isolated flurries. 15 to 30 km/h southwest ridgetop wind. Treeline temperature -5 °C. Freezing level 1100 m.

Monday

Cloudy with up to 5 to 15 cm of new snow. 20 to 50 km/h southwest ridgetop wind. Treeline temperature -4 °C. Freezing level rising to 1200 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for fresh storm slabs building throughout the day.
  • Avoid lee and cross-loaded slopes in the alpine.
  • Back off if you encounter whumpfing, hollow sounds, or shooting cracks.

Avalanche Problems

Storm Slabs

Storm slabs may be reactive to human triggering, especially on lee slopes that have deeper deposits of wind loaded snow.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Likely

Expected Size: 1 - 2