Partner and I left parking lot at 9 and ascended general uptrack lapping common bowl. No signs of instability observed throughout the day. Conducted slope test to no results.
Weather was -10 C, partly cloudy to cloudy and sunny before socking in around 330 pm.
Pit dug at 2900ft in vicinity of uptrack facing South with 185cm depth.
Ct21
ECTN21
Both failed on new/old interface 45cm down.