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Archived

Avalanche Forecast

Mar 31st, 2023–Apr 1st, 2023
Alpine
1: Low
The avalanche danger rating in the alpine will be low
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold
Alpine
1: Low
The avalanche danger rating in the alpine will be low
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold
Alpine
1: Low
The avalanche danger rating in the alpine will be low
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold

Regions: Tutshi, Wheaton, White Pass East, White Pass West, Yukon.

Watch for unstable snow on isolated terrain features. Although triggering slabs on deeply buried weak layers is unlikely under the current conditions, we'll be avoiding rocky start zones and thick to thin transitions for the remainder of the season.

Confidence

Moderate

Avalanche Summary

No significant avalanches have been reported in the past few days. If you head out in the backcountry, let us know what you are seeing by submitting a report to the Mountain Information Network.

Snowpack Summary

5 to 15 cm of new snow has fallen on wind-pressed surfaces in the alpine and crust on solar aspects around treeline. Soft older snow may be found in shady, wind-sheltered areas. Weaknesses in the mid and lower snowpack are unlikely to produce avalanches under the current conditions. A weak layer of surface hoar/crust/facets buried in early January is now over 1 m deep in most areas, and has not produced avalanche activity for several weeks. The lower snowpack consists of basal facets, particularly in thin snowpack areas.

Weather Summary

Friday night

Cloudy, flurries easing with 2 to 4 cm of snow, 20 km/h southeast wind, treeline temperatures cool to -10 °C.

Saturday

Mostly cloudy, isolated flurries with trace amounts of snow, 10 km/h south wind, treeline temperatures around -6 °C.

Sunday

Mix of sun and cloud, no significant precipitation, 15 km/h southwest wind, treeline temperatures around -8 °C.

Monday

Sunny, no precipitation, 20 km/h northwest wind, treeline temperatures around -6 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Small avalanches can have serious consequences in extreme terrain. Carefully evaluate your line for wind slab hazard before you commit to it.
  • Pay attention to isolated alpine features as well as cross-loaded features at treeline.
  • Avoid shallow, rocky areas where the snowpack transitions from thick to thin.

Avalanche Problems

Wind Slabs

With only 5 to 15 cm of recent snowfall, if a wind slab problem exists it will be confined to isolated pockets in the alpine.

Aspects: North, North East, East, West, North West.

Elevations: Alpine.

Likelihood: Unlikely - Possible

Expected Size: 1 - 1.5