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Avalanche Forecast

Archived

Feb 29th, 2024–Mar 1st, 2024

Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Below Threshold.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Below Threshold.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Below Threshold.

Regions

Yukon, Tutshi, Wheaton, White Pass East, White Pass West.

Watch for wind-loaded pockets especially around ridgecrest and in extreme terrain.

Wind-sheltered areas will have the best riding conditions and lowest hazard.

Confidence

High

Avalanche Summary

No avalanches have been reported in the last 4 days. Wind slabs may still be triggerable by a rider in isolated areas.Field observations have been limited, if you're out in the backcountry please consider submitting your observations to the MIN.

Snowpack Summary

Alpine surfaces are heavily wind-affected, but 10 to 20 cm of soft snow can still be found in wind-sheltered terrain. Check this White Pass MIN for more details.

A spotty layer of surface hoar may sit below recent snow, buried around 20 to 30 cm deep. Below 1500 m, a thick melt-freeze crust is buried 50-100 cm deep.

Average snowpack depth at treeline is around 200 cm.

Weather Summary

Thursday Night

Mostly cloudy, with no precipitation. Ridgetop wind 40 km/h northeast. Treeline temperature -21 °C.

Friday

Mostly cloudy with 0 to 1 cm of snow. Ridgetop wind 40 km/h northeast. Treeline temperature -20 °C.

Saturday

Mostly cloudy with scattered flurries bringing a trace of snow. Ridgetop wind 50 km/h northeast. Treeline temperature -23 °C.

Sunday

Mostly cloudy with 0 to 1 cm of snow. Ridgetop wind 50 km/h northeast. Treeline temperature -21 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Small avalanches can have serious consequences in extreme terrain. Carefully evaluate your line for wind slab hazard before you commit to it.
  • Be carefull around freshly wind loaded features.

Problems

Wind Slabs

Wind Slab avalanches are the release of a cohesive layer of snow (a slab) formed by the wind. Wind typically transports snow from the upwind sides of terrain features and deposits snow on the downwind side. Wind slabs are often smooth and rounded and sometimes sound hollow, and can range from soft to hard. Wind 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.