Northern San Juan
AvalancheJason Bushey · Dec 21, 2019
Weather
Dead calm, warm.
Snowpack
Below treeline northerlies were around a meter plus or minus 20 on northerlies and 80 and under as you come out of treeline. Some spots on NW aspects at treeline were 30cm with depth Hoar on ground. Avoided shallow depths <90cm and stayed below or just at treeline.
Avalanche
Python ran from rocks in upper start zone for 1000’ vertical (12,100’ to 11,110’) 15-20’ wide and D2 range. N aspect above treeline. Unknown date of avalanche. Also measured the alpha angle of sound of music slide from spring 2019 at 22 degree to toe into paradise.