Skip to main content
Flathead Avalanche Center
Responsive Links
Advisories
Observations
Donate
Forecasts
Avalanche Forecasts
Whitefish Range
Swan Range
Flathead Range and Glacier N. P.
Archives
Tutorials
How to read the Forecast
Avalanche Problems
The Danger Scale
Observations
Observations
Field Observations
Avalanche Map
Avalanche List
Incidents
Snowpack Tracker
Submit Observation
Weather
Western MT Backcountry Weather Forecast
Weather Station Table
Weather Station Map
Education
Classes and Events
Course List
Event Calendar
Northern Rockies Snow & Avy Workshop
Videos
Throttle Decisions Video Series
Local Awareness Videos
Online Resources
Avalanche Encyclopedia
Avalanche Canada tutorial
Know Before You Go Online Course
Backcountry Ascender - Motorized Specific
BCA Tutorial
About
Friends of the Flathead Avalanche Center
FOFAC
How To Help
Sponsors
Donate
Flathead Avalanche Center
Blog
Staff
Contact
Annual Reports
Donate
Wind slab
Location Name:
Big Mountain
Observation date:
Saturday, April 18, 2020 - 20:30
Is this an Avalanche Observation:
Yes
Observation made by:
Public
Tabs
Quick Observation
Trigged 4 inch wind slab , 50 feet wide and ran 300 feet . East facing slope
Snowpack, Avalanche, Weather Images:
Avalanche Details
Avalanche Details:
Date and Time of Avalanche:
Saturday, April 18, 2020 - 15:30
Number of avalanches:
1
Avalanche Type:
Soft Slab
Trigger
Trigger:
skier
Terrain
Aspect:
East
Size
Destructive Size:
D1 Relatively harmless to people.
Crown Height:
Less than 1 ft
Avalanche Length (Vertical Run):
30ft.
Avalanche Width (Average width):
50ft.
