Went to Williwaw trail and up towards black lake. Was going to follow the northeast ridge towards the football field to get to the sun faster, but around 3300′ ASL got a big whumpf that propagated underneath. Nothing released.
Turned down and went towards the lake. Got a second whumpf on the “flat”, still no realeases.
Near the normal route, the gully wasn’t filled in that much, walked up around the rocks on the right.
Some hard wind and wind slabs were noticed on the field.
Winds on the ridge of O’Malley were strong, from the North, NW.