Observer:
Professional
Verified by SAC?
Yes
Occurrence Date:
Dec 7, 2020 8:20 am (Exact)
Location:
Upper Greyhawk - CLOSED ski run
Comments:
Ski patrol intentionally triggered this avalanche in a closed area before the ski area had opened for the day.
# of Avys:
1
Aspect:
N
Start Zone Elev:
7500ft
Size:
D2 / R2
Type:
HS-Hard Slab
Trigger:
AS-Skier
c-Intentional
Bed Surface:
O-Old Snow
Depth:
1ft
Width:
130ft
Start Zone Slope:
35°
Vertical Fall:
700ft
Comments:
This slide involved a thick, dense slab of manmade snow and is not representative of backcountry or natural snowpack conditions.