Watch out for rising temperatures and solar heating which can increase the avalanche danger. Start early and finish early.
Weak facets buried on Feb 20th. It is prudent to keep this on your radar with warmer temperatures as reactivity may increase. Cornices will have the potential to fail and trigger slabs below.
Watch out for solar heating and daytime warming to trigger avalanches especially from steep rocky terrain.
Caution in thin facetted snowpack areas where triggering is more likely. This is a low probability but high consequence problem.
Tuesday: Sunny with cloudy periods. Precipitation: Nil. Alpine temperature: High -3 C. Light ridge wind. Freezing level: 1900m.
Wednesday: A mix of sun and cloud. Precipitation: Nil. Alpine temperature: Low -8 C, High -4 C. Ridge wind southwest: 10-25 km/h. Freezing level: 1800m.
Sunny skies and warm temperatures have created crusts and moist snow on all aspects at tree line and below and into the alpine on solar aspects. There is widespread wind scouring to rock in exposed alpine features. The middle of the snowpack is supportive in deep areas but weak in shallow spots.
Several natural wet avalanches occurred in the region on Sunday and Monday. A notable large slab avalanche occurred on a southerly aspect high on Mt. Wilson. Natural and explosive triggered avalanches stepping down to the February persistent weak layer (down 60cm) resulted in two size 2 avalanches at Marmot Basin.
