Large glide cracks/cornice on Tallac

Heavy west - southwest winds blowing on Tallac with obvious loading on east aspects. Winds were blowing pretty far downslope.

Found some huge cracks of the cornice separating at the top of corkscrew bowl that were at least 12' deep. The photo looking into it doesn't really do it justice. Massive piece of snow, but doesn't look like it's going to collapse immediately. The main danger seems to be not seeing the crack as it's a common area of travel.