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Archived

Avalanche Forecast

Apr 1st, 2023–Apr 1st, 2023
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
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
1: Low
The avalanche danger rating below treeline will be low
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
1: Low
The avalanche danger rating below treeline will be low

8 am update: Be cautious of fresh pockets of wind slab in isolated terrain features at upper elevations.

Confidence

High

Avalanche Summary

Avalanche activity over the past week has been limited to small wet loose avalanches and cornice falls during periods of warm sunny weather.

Snowpack Summary

A dusting of new snow is falling on moist or crusty snow layers, except shaded terrain above roughly 1400 m where the snow has remained dry over the past week. The middle of the snowpack is strong and contains numerous hard crusts. The lower snowpack is composed of weak basal facets. There hasn't been avalanche activity on it recently, but it will remain on our radar this spring as it may become active with abrupt changes to the snowpack, such as rapid loading (heavy snowfall or rain) or prolonged warming.

Weather Summary

Friday night

Cloudy, light flurries with 3 to 5 cm of snow, 30 km/h southwest wind, treeline temperatures drop to -8 °C with freezing level dropping to valley bottom.

Saturday

Mix of sun and cloud, some isolated flurries with trace amounts of snow, 20 km/h southwest wind, treeline temperatures around -5 °C.

Monday

Mostly sunny, no precipitation, 20 km/h northwest wind, treeline temperatures around -5 °C.

Tuesday

Mix of sun and cloud, isolated flurries with trace amounts of snow, 20 km/h northwest wind, treeline temperatures around -5 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for wind-loaded pockets especially around ridgecrest and in extreme terrain.
  • Avoid shallow, rocky areas where the snowpack transitions from thick to thin.

Avalanche Problems

Wind Slabs

Overnight snow may have formed fresh pockets of wind slab at upper elevations.

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

Elevations: Alpine.

Likelihood: Possible

Expected Size: 1 - 1.5