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Skier Triggered Avalanche-Old Ski Bowl

Location Name: 
Old Ski Bowl
Region: 
Mt. Shasta
Date and time of avalanche (best estimate if unknown): 
Sun, 01/01/2023 - 12:15pm
Observation made by: 
Public
Red Flags:
Recent avalanche activity
Recent loading by new snow, wind, or rain

Location Map

96067 Mount Shasta , CA
United States
41° 22' 48.2376" N, 122° 12' 0.1584" W
See map: Google Maps
California US

Avalanche Observations

Details

A skier triggered wind slab from today's north wind event on a southeast aspect above treeline. Nobody was caught or injured. The avalanche was approximately 350 feet wide with a three-foot crown and ran ~80 feet.

Photos

Characteristics

Avalanche Type: 
Slab
Trigger type: 
Skier
Slope: 
38degrees
Aspect: 
Southeast
Elevation: 
9 400ft.
Terrain: 
Above Treeline
Weak Layer: 
Other - explain below
Bed Surface: 
Old Snow
Crown Height: 
3 ft
Avalanche Width: 
350ft.
Avalanche Length: 
80ft.
Number of similar avalanches: 
1
Number of people caught: 
0
Number of partial burials: 
0
Number of full burials: 
0

Weather Observations

Details

Clear sky, blustery. Wind deposited snow on same aspect as recently reported slides. 

Statistics

Cloud Cover: 
Clear
Blowing Snow: 
Yes
Precipitation: 
None
Wind Speed: 
Moderate
Wind Direction: 
North