East Slopes North - Canadian Border to Lake Chelan
Nov. 17, 2016, 11 a.m. PST
Weather: 28deg. , broken clouds , intermittent lt. flurries , good visibility.
Snowpack: Top 30 cm. lt. newer storm snow , not wind affected , on lt. thin crust on 35 cm. soft heavier snow , bonded to a strong 1 cm. well frozen granular crust layer on approx. 25 cm . old compressed snow. Total approx. 1 meter @ 6000' ft. level.
Area Description: 3 bowls S. of Spire Gulch , (hwy. 20 hairpin) N.C. hwy. WA. E. facing , 5000' - 6500' . Lg. bowl necking down to hourglass gully to fanned out deposition zone to valley floor.
Avalanches: R3 , D3+ , Ran from high in bowl through hourglass , stopping 200 meters from creek bottom. Lg. 1 -2 meter blocks . Appears to have run during previous warm event as the newer 30 cm. of storm snow was intact.
Observation by SKIER-X
Did you see any avalanches? Yes
Did you trigger any avalanches? No
Was anyone caught in an Avalanche? No