Professional Observation - Going-to-the-Sun Road Avalanche Program, GNP

Location Name: 
Professional Observation - Going-to-the-Sun Road Avalanche Program, GNP
Region: 
Outside of the Advisory Area
Date and time of avalanche (best estimate if unknown): 
Fri, 04/08/2016 - 12:00
Location Map: 


Red Flags: 
Recent avalanche activity
Rapid warming
Obvious avalanche path

Observation made by: Professional Observer
Avalanche Observations
Avalanche Type: 
Wet
Slope: 
45degrees
Trigger type: 
Natural
Crown Height: 
10 ft
Aspect: 
East
Weak Layer: 
Other - explain below
Avalanche Width: 
330ft.
Terrain: 
Above Treeline
Elevation: 
7 800ft.
Bed Surface: 
Ground
Avalanche Length: 
1 400ft.
Number of similar avalanches: 
1
Number of people caught: 
0
Number of partial burials: 
0
Number of full burials: 
0
More detailed information about the avalanche: 

A glide avalanche occurred between 4/7/2016 4:00 pm and 4/8/2016 8:30 am. Vertical fall was 1400 ft. and it was about 330 feet wide and up to 10 feet deep. It released on smooth rock slabs at the ground.

We also observed numerous wet, loose avalanches on all aspects at all elevations.

Avalanche Photos: 
Weather Observations
Cloud Cover: 
Clear
Air temperature: 
Above Freezing
Wind Speed: 
Calm (No air motion)
Precipitation: 
None
Air temperature trend: 
Warming
Wind Direction: 
Southwest
Accumulation rate: 
None
More detailed information about the weather: 

Clear, calm day. It was sunny and warm all day. It felt rather hot most of the day.

Activity: 
Skiing