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Avalanche Incident Report: 3/19/2010 : Eagle Pass Mountain

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Forecaster Posted: 03-22-2010 7:14 PM
Vicinity of Eagle Pass Mountain.jpg

Avalanche Involvement Report

 Canadian Avalanche Centre
This report was submitted to the CAC by British Columbia Coroner’s Service in the interest of public safety.
The CAC makes no claim as to its authenticity or accuracy. Use and interpret at your own risk.
DATE, TIME AND LOCATION
Date/Time: 2010-03-19
Description: Eagle Pass Mountain
Coordinates: ()
Mtn Range: Monashee Mountain Range Province: BC
GROUP INFORMATION
Type: Unknown Activity: Snowmobiling
Size: 19
AVALANCHE INFORMATION
Number: 1 Size: Size class 3.5 Type: Slab avalanche
Trigger: Ma (Suspected, Ma)
Dimension: 500m wide; ran for 700m; average slab depth of 130cm.
Failure Pl.: Old - Weak layer: SH
Starting Zone: Location: Treeline at approx. 2130m.
Character: N; 35 degrees; Lee Slope(s); Open Slope.
Fracture line was on convex rolls below a ridgeline. This was a large open slope with unsupported features and both convex and concave elements with a series of gullies. The incline at the fracture line 25-40 degrees. The average slope angle was 35-37 degrees.
Comment:
INVOLVEMENT INFORMATION
Number of people involved: None.
Number of people injured: 1 injured and 1 deceased.
WEATHER AND SNOWPACK INFORMATION
Weather: Calm during the day of the incident, but strong winds were reported the day before - unknown direction.
Snowpack: Snowfall in the past 48 hours: 5-10 cm.
ADDITIONAL COMMENTS
ATTACHMENTS
No attachments.
Date and Time of Report: 2010-03-22 16:12
The CAC Forecaster Team thanks the observers for
their contribution to avalanche safety in Canada!
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Forecaster replied on 03-25-2010 10:15 AM
Eagle Pass mountain avalanche 024.jpg

Photo of avalanche site attached

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