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Avalanche Forecast

Archived

Apr 25th, 2024–Apr 28th, 2024

Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

Vancouver Island, East Island, North Island, South Island, West Island.

Continuously assess conditions as you gain elevation. Winter conditions persist at higher elevations.

New storm slabs could form where precipitation falls as snow.

Confidence

Moderate

Avalanche Summary

No new avalanches have been reported in the past week.

If you have any recent photos or observations, please submit them to the Mountain Information Network, observations are limited in the spring.

Snowpack Summary

Storm snow will continue to accumulate at higher elevations. This snow may overlie a crust that it might not bond well too. Below treeline rain will keep the surface wet or moist where snow still exists. Most below treeline terrain is already snow free.

Weather Summary

Thursday Night

Cloudy with 5 to 20 cm of new snow at treeline and above. 5 to 15 km/h southeast alpine wind.  Freezing level around 1700 m.

Friday

Cloudy with up to 10 cm of new snow in the alpine. 5 to 10 km/h variable alpine wind. Freezing level rising to 1900 m.

Saturday

A mix of sun and cloud with 5 to 10 cm of new snow at treeline and above. 15 to 30 km/h south alpine wind. Freezing level around 1500 m.

Sunday

Mostly cloudy with up to 20 cm of new snow. 15 to 30 km/h southwest alpine wind. Freezing level rising to 1400 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Make observations and assess conditions continually as you travel.
  • Closely monitor how the new snow is bonding to the crust.
  • The more the snow feels like a slurpy, the more likely loose wet avalanches will become.
  • Expect shallow snow cover that barely covers ground roughness.

Problems

Storm Slabs

Storm Slab avalanches are the release of a cohesive layer (a slab) of new snow that breaks within new snow or on the old snow surface. Storm-slabs typically last between a few hours and few days (following snowfall). Storm-slabs that form over a persistent weak layer (surface hoar, depth hoar, or near-surface facets) may be termed Persistent Slabs or may develop into Persistent Slabs.