Hero Knob loop. Witnessed a slab avalanche (size 1.5) on a steep SE facing slope approximately 11:30am, possibly triggered by the sun on a cliff.
Snow conditions were: Powder. Weather conditions were: Sunny. We rode: Alpine slopes. We avoided: Sunny slopes. Riding quality was good.
Avalache Conditions: Rapid temperature rise to near zero degrees or wet surface snow. Slab avalanches today or yesterday.
Source: Avalanche Canada MIN