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Avalanche Forecast

Archived

Jan 24th, 2024–Jan 25th, 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 unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

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

Moderate

Avalanche Summary

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

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

Yesterday's warm temperatures may have formed a new surface crust below 1600 m on all aspects.

Roughly 30 to 40 cm of recent snow has buried a layer of old wind-affected snow, 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

Wednesday Night

Cloudy with 2 cm of snow, southwest alpine winds 20 to 40 km/h, treeline temperature -5 °C.

Thursday

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

Friday

Cloudy with up to 5 cm of snow, southwest alpine winds 20 to 40 km/h, treeline temperature -5 °C.

Saturday

Cloudy with a trace of snow, southwest alpine winds 30 to 50 km/h, treeline temperature 0 °C.

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.