Selkirk Mountains
Pericolo valanghe
In sintesi
Another cold, clear night in this persistent dry weather pattern will continue to limit avalanche concerns today. Most slopes are generally safe from avalanches. However, shallow pockets of wind-drifted snow may be present near and above the tree line, in broad openings under ridgelines, on the sidewalls of gullies, and on the backside of steep rollovers. Be mindful of these small, isolated hazards and practice good travel habits if you venture into more complex or high-consequence terrain.
Avalanche Discussion
The prolonged stretch of arctic air continues to leave its mark on the upper snowpack, subtly shaping future conditions. Though not currently driving avalanche hazards, this deep cold is drawing moisture out of the snowpack, promoting faceting and weakening bonds between snow grains. Surface hoar, observed across all zones, continues to develop under the clear, frigid nights, setting the stage for potential instability with the next significant storm.
For now, stable snowpack conditions prevail at mid and upper elevations, offering ample coverage for wide-ranging recreation. Sunny skies and frigid mornings dominate the forecast, creating an ideal window to explore new terrain and pursue larger objectives. However, variable surface conditions demand attention, particularly on wind-affected slopes.
The primary concern remains isolated pockets of wind-drifted snow, which have formed dense wind slabs. These are most often found below leeward ridgelines on east-facing slopes. With shifting winds expected to blow from the north and east today and tomorrow, this hazard could appear on other aspects as well. Though isolated, these wind slabs become more significant in steep, extreme, or complex terrain, where even a small avalanche could have serious consequences. Look for signs of wind effects—denser, hollow-feeling snow, rippled textures, or sculpted patterns on the surface—to identify these areas.
Snow conditions vary depending on subtle changes in aspect. South-facing, solar-exposed slopes are developing sun crusts, while sheltered, north-facing aspects continue to hold softer snow. In steep, sheltered slopes on the north side of the compass, watch for small sluffs of faceted snow.
As you travel, stay vigilant to the evolution of conditions. The current weather pattern is an excellent opportunity to enjoy the mountains, but keep an eye on the snowpack—particularly the upper layers—where wind and cold are laying the groundwork for future challenges.
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**We continue to receive intermittent reports of opening glide cracks and some failing naturally producing large to very large glide avalanches. Avoid traveling on or below slopes where a glide crack has opened. These types of avalanches are difficult to forecast when they will release.**