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Archived

Avalanche Forecast

Apr 13th, 2025–Apr 14th, 2025
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Pine Pass.

Storm slabs are expected to remain reactive to human triggers, especially in wind loaded features

Choose conservative slopes, free from overhead hazard.

Confidence

Moderate

Avalanche Summary

Reports in this area are limited but we expect natural and human triggered avalanches within the recent storm snow.

Snowpack Summary

30 cm of recent snow has been redistributed by strong westerly winds. This sits over dry snow on high north-facing slopes and over a crust elsewhere. The upper snowpack is generally moist, with a crust from last week's rain event.

Below treeline elevations hold moist, isothermal snow.

A surface hoar layer is buried 70-120 cm deep on sheltered north and east alpine slopes. No recent avalanches have been reported, it remains a possibility for triggering with heavy loads like cornice falls.

Weather Summary

Sunday Night

A mix of sun and cloud with 30 to 40 km/h west ridgetop winds. Treeline temperature -3 °C. Freezing level 1500 m.

Monday

Mostly cloudy. 30 to 50 km/h southwest ridgetop winds. Treeline temperature -3 °C. Freezing level 1500 m.

Tuesday

Mostly cloudy. 30 to 50 km/h west ridgetop winds. Treeline temperature -3 °C. Freezing level 1500 m.

Wednesday

Mostly cloudy. 30 to 50 km/h west ridgetop winds. Treeline temperature -3 °C. Freezing level 1500 m.

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 careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.

Avalanche Problems

Storm Slabs

Storm slabs will be most reactive in wind affected terrain.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Possible - Likely

Expected Size: 1 - 2

Loose Wet

Wet loose avalanches will become reactive to human triggering during daytime warming and on south aspects.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Likely

Expected Size: 1 - 2