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Avalanche Forecast

Archived

Jan 11th, 2024–Jan 12th, 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
Below Threshold.
Treeline
Below Threshold.
Below Treeline
Below Threshold.

Regions

East Kakwa, Tumbler.

Check out our Forecasters' Blog about factoring extreme cold into your trip plans. Small problems can spiral out of control quickly in these conditions.

Confidence

Moderate

Avalanche Summary

No new or recent avalanches have been reported, however there are very few field observations coming from this forecast area.

If you go out in the backcountry, please consider sharing your observations on the Mountain Information Network (MIN).

Snowpack Summary

Around 15 cm of new snow fell in the region early in the week. It added to an existing skiff of snow atop a widespread crust that exists up to 1400 m. South and west-facing alpine slopes are generally scoured but may see some wind transporting snow onto them with the northerly winds.

The snowpack is generally shallow and faceted (weak, sugary) with multiple crusts in the mid-snowpack. Pockets of deeper, wind-loaded snow may be found near ridges, gully features, and established avalanche paths.

Average snowpack depths at treeline vary between 20 to 80 cm.

Weather Summary

Thursday night

Cloudy with no new snow, northerly 5-15 km/h, treeline temperature low of -39°C.

Friday

Sunny with no new snow, northerly winds 5-15 km/h, treeline temperature high of -28°C.

Saturday

Sunny with no new snow, northerly winds 5-10 km/h, treeline temperature high of -21°C.

Sunday

Mostly sunny with no new snow, northerly winds 5-10 km/h, treeline temperature high of -20°C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Expect shallow snow cover that barely covers ground roughness.
  • Avalanche danger is often elevated in alpine gullies where snow has accumulated.

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.