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Avalanche Forecast

Archived

Feb 4th, 2024–Feb 5th, 2024

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

Regions

North Rockies, Sugarbowl, East Kakwa, Kakwa, McGregor, Pine Pass, Renshaw, Robson, Tumbler.

A widespread surface crust is creating stable avalanche conditions, but is making travel challenging.

Confidence

Moderate

Avalanche Summary

No recent avalanche activity has been reported.

Snowpack Summary

A surface crust of varying thickness exists at all elevations. In some areas, up to 10 cm of dry snow may have buried this crust.

A layer of facets formed during the January cold snap exists down 30 to 60 cm.

In areas east of the Divide the snowpack is shallow and faceted with depths of 60 to 100 cm around treeline.

Weather Summary

Sunday Night

Mostly clear with no precipitation, northeast alpine winds 20 to 30 km/h, treeline temperature -6 °C.

Monday

Mix of sun and cloud with no precipitation, east alpine winds 30 to 40 km/h, treeline temperature -7 °C.

Tuesday

Mix of sun and cloud with no precipitation, southwest alpine winds 20 to 30 km/h, treeline temperature -7 °C.

Wednesday

Mostly cloudy with trace snow amounts, southwest alpine winds 10 to 20 km/h, treeline temperature -7 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • When a thick, melt-freeze surface crust is present, avalanche activity is unlikely.
  • Carefully evaluate big/extreme terrain features before committing to them, it's not full "go" time yet.
  • Expect shallow snow cover that barely covers ground roughness.

Problems

Persistent Slabs

Persistent Slab avalanches are the release of a cohesive layer of snow (a slab) in the middle to upper snowpack, when the bond to an underlying persistent weak layer breaks. Persistent layers include: surface hoar, depth hoar, near-surface facets, or faceted snow. Persistent weak layers can continue to produce avalanches for days, weeks or even months, making them especially dangerous and tricky. As additional snow and wind events build a thicker slab on top of the persistent weak layer, this avalanche problem may develop into a Deep Persistent Slab.