Little Sifton Test Pit 161205
Avalanchetelemarkus · Dec 6, 2016 · Glacier
Quick report
- Weather
- cold, cloudy, sunny
- Ride Type
- openTrees, steepSlopes, alpineSlopes, denseTrees
- Riding Quality
- good
- Snow Conditions
- deepPowder
Test pit dug down to 170 en route up to LIttle Sifton Today. 2515m E aspect, ~30 degree slope. Nov 13 Crust (two layers) down 125 and appearing to break down with P hardness on those layers. Snowpack was completely rightside up. CT 11, 16 (RP) down 60 DF, PP 1-3mm and CT 24, 25 (RP) down 80 DF, PP 2-3mm. Ta -15, T10 -12.2, T20 -13.3. No results on crust interfaces. Final ascent to Little Sifton showed some storm slabbing on N/NE aspects. No surface instabilities were noted on the tour. Ski quality was god and snow was dense with cold temps. Veered over to Rogers Run and ski quality was great with some minor bush-work near creek bottom. .
Weather
- Avg Temp
- -15
- Wind Speed
- windSpeedCalm
- Blowing Snow
- none
- Sky Condition
- overcast
- Storm Start Date
- 2016-12-02T19:00:00.000Z
- Temperature Trend
- falling
- Precipitation Type
- none
Snowpack
- Depth
- 260
- Obs Type
- point
- Site Aspect
- E
- Test Fracture
- resistant
- Site Elevation
- 2515
- Ski Penetration
- 28
- Test Initiation
- moderate
- Foot Penetration
- 45
- Site Elevation Band
- alp
- Surface Conditions
- newSnow
- Test Failure Layer Crystal Types
- stormSnow
Test pit dug down to 170 en route up to LIttle Sifton Today. 2515m E aspect, ~30 degree slope. Nov 13 Crust (two layers) down 125 and appearing to break down with P hardness on those layers. Snowpack was completely rightside up. CT 11, 16 (RP) down 60 DF, PP 1-3mm and CT 24, 25 (RP) down 80 DF, PP 2-3mm. Ta -15, T10 -12.2, T20 -13.3. No results on crust interfaces. Final ascent to Little Sifton showed some storm slabbing on N/NE aspects. Ski quality was god and snow was dense with cold temps. Veered over to Rogers Run and ski quality was great with some minor bush-work near creek bottom. .
Avalanche
- Slab Width
- 100
- Trigger Type
- natural
- Wind Exposure
- crossLoadedSlope
- Avalanche Size
- 1.5
- Slab Thickness
- 25
- Start Zone Aspect
- E
- Vegetation Cover
- openSlope
- Start Zone Incline
- 40
- Avalanche Character
- stormSlab
- Number Of Avalanches
- 2-5
- Start Zone Elevation
- 2600
- Avalanche Observation
- 24to48hrsAgo
- Weak Layer Crystal Type
- stormSnow
- Start Zone Elevation Band
- alp
- Avalanche Occurrence Datetime
- 2016-12-05T15:00:00
2 Na avalanches off Grizzly Mtn observed ~1.5 of storm snow.