Trigger | Snowmachiner | Remote Trigger | Unknown |
Avalanche Type | Hard Slab | Aspect | West |
Elevation | 2600ft | Slope Angle | 37deg |
Crown Depth | 3ft | Width | 150ft |
Vertical Run | 250ft |
Snug Harbor trailhead to site of 2/10 avalanche fatality to Lost Lake weather station and back to Snug Harbor TH.
CNFAIC forecasters traveled to the site of yesterday’s fatal avalanche to gather pertinent snowpack, weather and avalanche information. Preliminary information can be found on the accidents page, under the observations tab. Direct link HERE.
Side trip to Lost Lake weather station for mid-winter maintenance.
Trigger | Snowmachiner | Remote Trigger | Unknown |
Avalanche Type | Hard Slab | Aspect | West |
Elevation | 2600ft | Slope Angle | 37deg |
Crown Depth | 3ft | Width | 150ft |
Vertical Run | 250ft |
Number Caught/Carried? | 1 | Number Partially Buried? | 0 |
Number Fully Buried? | 1 | Number Injured? | 0 |
Number Fatalities? | 1 |
Snowmachine triggered avalanche on 2/10 resulted in single burial/ fatality.
Forecasters observed signs of recent avalanches on route in today (2/11).
2/11: Partly cloudy, temps in the low teens at 10:30am, warming to low 20's by 5pm. Winds were light, becoming moderate from the north this afternoon. No new precip today.
Wind effected at most elevations. Some soft snow found lower down, in protected areas.
Test pit at 2450' (below avalanche site). West aspect. 17 deg slope. HS: 320cm
CT17,19 and ECTP20, 22. All tests failing at top of January facets 50-70cm down.
50-70cm slab is 1F/ Pencil hard over facets. Bed surface is P/K melt-freeze crust under facets. This is the same failure layer as occurred in the fatal avalanche.