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Avalanche Forecast

Archived

Jan 22nd, 2021–Jan 23rd, 2021

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

Lizard-Flathead.

 Watch for small wind slabs and cornices in steep alpine terrain and practice good travel habits.

Confidence

High - Confidence is due to a stable weather pattern; little change is expected for several days.

Weather Forecast

FRIDAY NIGHT: Mostly clear skies, light northwest wind, treeline temperatures drop to -15 C.

SATURDAY: Mix of sun and cloud, moderate west wind, treeline temperature around -12 C.

SUNDAY: Mostly cloudy with isolated flurries in the afternoon, light southwest wind, treeline temperatures around -10 C.

MONDAY: Isolated flurries with a trace amount of snow, light wind, treeline temperatures around -8 C.

Avalanche Summary

No recent avalanches have been observed.

Snowpack Summary

Cold clear weather is forming surface hoar and gradually softening the various hard surfaces that cap the snowpack (hard wind slabs in the alpine and a crust below 1800 m). A solid mid-pack sits above crust and facet layers near the bottom of the snowpack (150-200 cm deep). These deeper weaknesses are currently unreactive, but have periodically produced large avalanches in alpine terrain during intense storms.

Terrain and Travel

  • Watch for wind-loaded pockets especially around ridgecrest and in extreme terrain.
  • Small avalanches can have serious consequences in extreme terrain. Carefully evaluate your line for wind slab hazard before you commit to it.