Widespread Natural Loose Dry Cycle that occurred during the high PI rates and Intense SW Wind event at 1230 hours. Unreliable, THC and various other slopes shed new snow only. Bonding appeared to be good at the new snow interface, but directly above it in the lighter density snow that fell early in the event appeared to be the reactive weak layer. Unfortunately, the poor visibility and flat light didn't allow for acceptable pictures of the various slides observed.