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Avalanche Forecast

Archived

Apr 10th, 2024–Apr 11th, 2024

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

Regions

South Coast, North Shore, Tetrahedron.

Avalanche danger will increase throughout the day as new snow accumulates.

Watch for changing conditions and dial back your terrain choices if you see signs of instability.

Confidence

High

Avalanche Summary

No new avalanches were reported in this region over the past few days. However, field observations are currently very limited.

If you go into the backcountry, please consider submitting your observations to the Mountain Information Network. 🙏

Snowpack Summary

15 to 30 cm of new snow will accumulate by the end of the day on Thursday.

Below this, a crust exists on all slopes except true north-facing terrain at upper elevations.

Below treeline is either snow-free or has very thin snow coverage. Expect difficult travel at lower elevations.

Weather Summary

Wednesday Night

Cloudy. 15 to 30 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level 1700 m.

Thursday

Cloudy with 15 to 30 cm of new snow accumulation above the rain-snow line. 20 to 50 km/h south ridgetop wind. Treeline temperature -3 °C. Freezing level 1000 m.

Friday

A mix of sun and cloud. 5 to 15 km/h south ridgetop wind. Treeline temperature +1 °C. Freezing level 1800 m.

Saturday

Partly cloudy. 5 to 20 km/h northwest ridgetop wind. Treeline temperature +2 C. Freezing level 2100 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for changing conditions today, storm slabs may become increasingly reactive.
  • As the storm slab problem gets trickier, the easy solution is to choose more conservative terrain.
  • Watch for signs of instability like whumpfing, hollow sounds, shooting cracks or recent avalanches.

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.