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Avalanche Forecast

Archived

Jan 25th, 2024–Jan 26th, 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, human triggered possible.

Regions

Lizard-Flathead, Flathead, Lizard.

As you move up to treeline and above, watch for shooting cracks and recent avalanches that indicate the storm snow needs more time to bond.

Confidence

High

Avalanche Summary

No new avalanches were reported at the time of publishing on Wednesday or Thursday.

Numerous natural and explosive-triggered storm slab avalanches were reported on Monday and Tuesday. These avalanches occurred on various aspects and elevations, size 1 to 2.5. Avalanche depths have been roughly 20 to 30 cm.

Snowpack Summary

Expect a thin surface crust and moist snow below 1600 m on all aspects.

Roughly 30 to 40 cm of recent snow has buried a layer of surface hoar and sugary facets.

Near the bottom of the snowpack, there are a series of crusts and facets that are more prominent in shallow areas.

Weather Summary

Thursday Night

Cloudy with a trace of snow, southwest alpine wind 15 to 30 km/h, treeline temperature -5 °C.

Friday

Cloudy with a trace of snow, southwest alpine wind 20 to 40 km/h, treeline temperature -4 °C.

Saturday

Cloudy with up to 5 cm of snow, southwest alpine wind 30 to 50 km/h, treeline temperature 1 °C, freezing level reaching 2000 m by the afternoon and staying high overnight.

Sunday

Cloudy with up to 5 cm of snow or rain, southwest alpine wind 30 to 50 km/h, treeline temperature 4 °C, freezing level reaching 2500 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Continue to make conservative terrain choices while the storm snow settles and stabilizes.
  • Be carefull around freshly wind loaded features.

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.