Nak SE slopes

Avalanche

hamishdbaird · Dec 30, 2016 · Coquihalla

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Observation photo 1Observation photo 2Observation photo 3

Quick report

Weather
cloudy, cold
Ride Type
mellowSlopes, openTrees
Stayed Away
alpineSlopes, steepSlopes
Riding Quality
amazing
Snow Conditions
deepPowder
Avalanche Conditions
avalancheConditionSnow

Skied from 1750m when snow became increasingly wind effected. See obs and avalanche report.

Snowpack

Depth
1950
Obs Type
point
Site Aspect
SE
Test Fracture
sudden
Site Elevation
1750
Test Initiation
easy
Cracking Observed
1
Test Failure Depth
30
Site Elevation Band
btl, tln
Surface Conditions
newSnow
Test Failure Layer Crystal Types
facets, stormSnow

Further test yielded a moderate break at 13 down 70cm on 2mm faceted granules. See picture. This layer then proved to be fairly resistant when skier filled in pit from above.

Avalanche

Run Length
50
Slab Width
10
Trigger Type
skier
Avalanche Size
1
Trigger Sub Type
accidental
Start Zone Aspect
SE
Avalanche Character
stormSlab
Number Of Avalanches
1
Start Zone Elevation
1500
Weak Layer Burial Date
2016-12-29T20:00:00.000Z
Avalanche Observation
12hrsAgo
Weak Layer Crystal Type
stormSnow
Start Zone Elevation Band
tln, btl
Avalanche Occurrence Datetime
2016-12-30T13:00:00

Slight cross loading from previous storm but slopes generally sheltered. Ran to base of unsupported slope.