Hollyburn - Whumfing


Below tree line, no slides observed. At treeline, significant whumping on all aspects, storm snow (~30cm) sliding on steep unsupported slopes - remotely triggered. Cypress website shows 35cm snow in 48hr.

Snow conditions were: Powder. Weather conditions were: Wet, Stormy, Windy. We rode: Mellow slopes, Open trees. We avoided: Steep slopes, Convex slopes. Riding quality was amazing.

Avalache Conditions: Rapid temperature rise to near zero degrees or wet surface snow. 30cm + of new snow, or significant drifitng, or rain in the last 48 hours. Slab avalanches today or yesterday. Whumpfing or drum-like sounds or shooting cracks.

Source: Avalanche Canada MIN