Just trying to complete the picture for someone reading only your report. Some people would slam you for not being more prepared, and there are some posts on the WPS board mocking the number of unprepared people recently. Just sayin.
That slope is in the shade in the afternoon, and if the temps drop before people get back down to it, that chute can get icy. The guy that died a few days after I did that chute, that was in June.
Glad you and all those people made it safely. If you enjoyed it, think about developing skills with the proper equipment, it just takes basic knowledge and practice and it opens up a new level of adventure. Same is true for all of us, there's always the next level. Nice pictures.