Stellar day on the Illecilewaet headwall. 5cm low density at the bottom, 10-15 at the top. Quite some navigation skills required to dodge the debris from the atmospheric river avalanches out of the South Terminal into the Perley Rock descent. Saw a little (sz1) recent windslab avalanche on a roll and a bigger one (sz2) out of the steep northeast face of Glacier Crest. Other than that everything seemed quite fluffy and stable, only little pockets seemed a bit more wind affected. Skiings been very good!