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Avalanche Forecast

Archived

Jan 7th, 2024–Jan 8th, 2024

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

Regions

Lizard-Flathead, South Rockies, Akamina, Flathead, Lizard, Bull, Crowsnest North, Crowsnest South, Elkford East, Elkford West.

Allow the recent snow some time to settle before pushing into larger, more complex terrain.

Confidence

Moderate

Avalanche Summary

Numerous storm slab avalanches, both naturally and explosive triggered, were reported on Saturday, up to size 2.

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

Snowpack Summary

Approximately 20 to 40 cm of recent snow has buried a variety of crusts, surface hoar, old wind-affected surfaces, or facets.

The mid snowpack is generally well settled with a series of variable crusts and facetted snow.

The snow depth at treeline is 50 to 150 cm.

Weather Summary

Sunday Night

Partly cloudy with trace snow amounts, southwest alpine winds 10 to 20 km/h, treeline temperature -13 °C.

Monday

Mix of sun and cloud with no precipitation, southwest alpine winds 20 to 40 km/h, treeline temperature -13 °C.

Tuesday

Mostly cloudy with 5 to 15 cm of snow, southwest alpine winds 30 to 50 km/h, treeline temperature -5 °C.

Wednesday

Mostly cloudy with 5 to 15 cm of snow, southwest alpine winds 10 to 30 km/h, treeline temperature -16 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Give the new snow time to settle and stabilize before pushing into bigger terrain.
  • Use small low consequence slopes to test the bond of the new snow.
  • Shooting cracks, whumphs and recent avalanches are strong indicators of an unstable snowpack.

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.