Bollettino valanghe North Rockies — Dec 18, 2024

In sintesi

Light snowfall and wind blowing from the west will make wind slabs the main concern.

Problemi valanghivi

Wind Slabs
N
NE
E
SE
S
SW
W
NW
Alta quota
Limite del bosco
Sotto il limite del bosco
Probabilità
Possible
Dimensione
1–2
Watch for deeper and more reactive deposits of fresh snow around ridges and in lee features.

Confidence

Moderate

Avalanche Summary

Several natural wind slab avalanches to size 2 were reported Sunday and Monday in the alpine and tree line in the Pine Pass area and in the MacGregors. There was a size 1 human triggered wind slab avalanche reported on Sunday in the Pine Pass area.

Data is very limited in this region. Please submit your MIN (Mountain Information Network)

Snowpack Summary

15 to 30 cm fresh snow accumulated over the weekend. At upper elevations, wind has redistributed snow to lee features.

The recent snow overlies a hard melt-freeze crust. There are no deeper layers of concern.

Data is very limited in this region.

Weather Summary

Tuesday Night

Cloudy with scattered flurries, accumulation 1 to 4 cm. 20 to 35 km/h southwest ridgetop winds. Treeline temperature -15 °C.

Wednesday

Cloudy with flurries, accumulation 3 to 7 cm. 30 to 50 km/h west ridgetop winds. Treeline temperature -12 °C.

Thursday

Mainly cloudy with sunny breaks. 35 to 55 km/h southwest ridgetop winds. Treeline temperature -8 °C.

Friday

Mainly cloudy with scattered flurries. 30 to 60 km/h west and southwest ridgetop winds. Treeline temperature -5 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

The best and safest riding will be on slopes that have soft snow without any slab properties.
Be careful with wind-loaded pockets, especially near ridge crests and rollovers.

North Rockies

Pericolo valanghe