Ran into two other observers on my way up to West Monitor, Matt and Todd, good to have partners today. When we arrived West Monitor had  a natural avalanche 100ft wide, ran about 900ft vertical to the flats, A couple well placed cornice kicks basically took out the rest of the slope except for the right side. First cornice released a new wind slab from the ridge which propagated about 500ft, one final cornice drop finished off the rest of the NE facing slope. Entire slide was about 900ft maybe 1000ft if you include the roll over on the right side. Slides were starting out as new snow slabs then breaking into older snow about 100ft of the ridge, maybe where the hard slab was weaker. Pics of the full slide, crown, with a crack breaking into the old dirty snow but not releasing, flank, the natural slide, and debris pile.

Note:  Numerous sections of West Monitor have avalanched earlier in the season making these "repeaters".

Video: Primomo

Glew:  We knocked off a bunch of avlanches today in West Monitor and Scott's Bowl on the PC ridgeline. They were easily initiated with cornice drops. We also had cracking and collapsing from the ridge in certain areas, but with more snow and or wind we will definetly have larger avlanches and more easily triggered slides