Serac

Did a few yoyo laps on upper serac. -15 at car to start and by 1:30 was +6/7 at car. Breakable crust for bottom 150m, crust didn’t soften by the end. Upper east facing pitches (above 1500/1600m) the snow was un impacted despite sun and heat. Observed some debris in slide paths but didn’t witness any activity. Sun was certainly intense.