Toggle Navigation
Forecasts
Avalanche
Mountain Weather
Archived Avalanche Forecasts
Archived Weather Forecasts
Observations
Weather Station List
Weather Station Map
Submit An Observation
Recent Observations
Data Portal
Radar and Satellite Index
Snow Depth Climatology
Education
Learn
Request
Outreach
Avalanche Awareness Classes
Workshops
Backcountry Basics
Courses by Local Providers
Glossary of Avalanche Terms
Accidents
Report an accident
Accident Reports
Avalanche Accident Statistics
Blog
Events
About
About us
About the Forecasts
NWAC Staff
Nonprofit Board
USFS Partners
Annual Reports
Contact
Support NWAC
Membership
Snowpack Scholarship and Mentorship
Make a donation
Workplace Giving
Other Ways to Give
Volunteer
Corporate Sponsorship
Observations
2021-22 Season
2021-22 Season
2020-21 Season
2019-20 Season
All Observer Types
All Observer Types
Public
NWAC Forecaster
NWAC Observer
All Regions
All Regions
Olympics
West North
West Central
West South
Stevens Pass
Snoqualmie Pass
East North
East Central
East South
Mt Hood
Other
Avalanches Observed?
Avalanches Observed?
Yes
Signs of Instability?
Signs of Instability?
Yes
Reset Filters
Obs Date
Observer
Region
Location
Avalanches?
Instability?
Obs Date
Observer
Region
Location
Avalanches?
Instability?
202109190621
September 19, 2021
Public
West South
Muir Snowfield