A first hand account of the Nov 16 Hourglass avalanche became available on Nov 21. Read it here.
Calm, warm day at Spooner
East Shore Area
Date and time of observation:
Sun, 03/19/2017 - 14:00
United States39° 2' 35.4696" N, 119° 52' 53.1804" W
Obvious avalanche path
Observation made by: Professional Observer