Professional Observation - John F.Stevens Canyon

Location Name: 
Professional Observation - John F.Stevens Canyon
Region: 
Flathead Range/Glacier National Park - John F. Stevens Canyon
Date and time of avalanche (best estimate if unknown): 
Wed, 03/15/2017 - 11:00
Location Map: 

Red Flags: 
Recent avalanche activity
Recent loading by new snow, wind, or rain
Rapid warming
Observation made by: Professional Observer
Avalanche Observations
Avalanche Type: 
Wet
Slope: 
35degrees
Trigger type: 
Natural
Crown Height: 
3 ft
Aspect: 
East
Weak Layer: 
Old snow
Terrain: 
Near Treeline
Elevation: 
6 000ft.
Bed Surface: 
Other - explain below
Number of people caught: 
0
Number of partial burials: 
0
Number of full burials: 
0
More detailed information about the avalanche: 

Wet slab avalanche thought to have failed on Feb 10 rain crust.

Avalanche Photos: 
Weather Observations
Blowing Snow: 
No
Cloud Cover: 
100% of the sky covered by clouds
Air temperature: 
Above Freezing
Wind Speed: 
Moderate (Small trees sway)
Precipitation: 
None
Air temperature trend: 
Warming
Wind Direction: 
Southwest
Accumulation rate: 
Less than 1 in. per hour
More detailed information about the weather: