avalanche in rock chute on skiers right in Hour Glass bowl, about 400 feet down from summit

Location Name: 
Hourglass Bowl
Region: 
Mount Rose Area
Date and time of avalanche (best estimate if unknown): 
Sat, 12/10/2016 - 11:00
Location Map: 
United States
39° 19' 11.0316" N, 119° 55' 15.132" W
See map: Google Maps
US


Red Flags: 
Recent avalanche activity
Recent loading by new snow, wind, or rain
Obvious avalanche path
Observation made by: Public
Avalanche Observations
Avalanche Type: 
Dry
Slab
Trigger type: 
Skier
Number of partial burials: 
0
Number of full burials: 
0
More detailed information about the avalanche: 

"Skier triggerd D1 avalanche in rock chute on skiers right in Hour Glass bowl, about 400 feet down from summit.  40cm crown that ran down to the rain crust from 12/8. "

Source: http://www.sierraavalanchecenter.org/observation/snowpack/2016/dec/10/tamarack-peak