Dashboard Regions Weather Stations Radar Alerts Glossary
Contact About
Log In

Register for an account and never miss a forecast again!

Register

Avalanche Forecast

Archived

Jan 20th, 2022–Jan 21st, 2022

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

Regions

Yukon.

Snow and extreme wind are increasing the danger. Conservative terrain travel is recommended.

Confidence

High - We are confident the likelihood of avalanche will increase with the arrival of the forecast weather.

Weather Forecast

THURSDAY NIGHT: Cloudy with snowfall, accumulation 5 to 10 cm, 40 km/h south wind, alpine temperature -5 C.

FRIDAY: Cloudy with snowfall, accumulation 10 to 20 cm, 80 to 100 km/h southwest wind, alpine temperature -4 C.

SATURDAY: Cloudy with snowfall, accumulation 10 to 20 cm, 60 km/h south wind, alpine temperature -1 C, freezing level 1400 m.

SUNDAY: Cloudy with snowfall, accumulation 5 cm, 30 km/h southwest wind, alpine temperature -6 C.

Avalanche Summary

No recent avalanches were observed. Avalanche activity is expected to ramp up on Friday during the storm. Natural and rider-triggered avalanches will be likely.

We appreciate all your observations on the Mountain Information Network.

Snowpack Summary

We are in the midst of a strong storm that will impact the region for the coming days. We are expecting around 20 to 30 cm of snow to accumulate at White Pass by sunset on Friday, with extreme southwest wind. Wind slabs will likely rapidly form in wind-exposed terrain and storm slabs in sheltered terrain.

The remainder of the snowpack is hard but heavily faceted.

Terrain and Travel

  • Good day to make conservative terrain choices.
  • Wind slabs are most reactive during their formation.
  • Watch for fresh storm slabs building throughout the day.

Problems

Wind Slabs

Wind Slab avalanches are the release of a cohesive layer of snow (a slab) formed by the wind. Wind typically transports snow from the upwind sides of terrain features and deposits snow on the downwind side. Wind slabs are often smooth and rounded and sometimes sound hollow, and can range from soft to hard. Wind 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.