Noticed this wet slab on the SE face of Mt. Tuscarora, while ascending Pioneer Peak from Brighton. We estimated that it came down around noon. My partner and I discussed and we didn't see any discernable tracks going into the slide, but we were to far away to really assess it. I was suprised at the scale of it (maybe 80ft across and it ran 400ft). It's a good reminder to get off the solar aspects early on days like today.