Silent Pass/McMurdo Conditions
Snowpacktelemarkus · Jan 2, 2017 · West Purcell
Weather
- Avg Temp
- -19
- Max Temp
- -14
- Min Temp
- -20
- Wind Speed
- windSpeedModerate
- Blowing Snow
- moderate
- Sky Condition
- brokenClouds
- Snowfall Rate
- 1
- Wind Direction
- SW
- New Snow24 Hours
- 4
- Precipitation Type
- snow
Snowpack
- Depth
- 210
- Obs Type
- point
- Site Aspect
- W
- Test Fracture
- resistant
- Site Elevation
- 2295
- Ski Penetration
- 20
- Test Initiation
- moderate
- Foot Penetration
- 45
- Sled Penetration
- 10
- Test Failure Depth
- 55
- Site Elevation Band
- tln
- Surface Conditions
- newSnow
- Test Failure Layer Crystal Types
- other
CTM 13 RP down 25 on PP, CTM 17 RP down 70 on FCxr, CTH 28 B down 90 on DF/PP CTM 12 RP down 30 on PP, CTH 26 RP down 55 on DF/PP, CTH 28 Down 90 on DF/PP. T0 -14.5, T10 - 12.6, 35 degree west aspect at 2295m. BKN Sky. Probing showed a good rightside up snowpack and a settling midpack with facets starting to round. test pit dug to 140 CM and showed moderated to hard results with resistant results. Results were mostly on Dec 18 Facet interface (down ~ 30-50) with new Storm snow layers. M to S Winds in alpine from S to SW observed Dec 28-31 and overnight. Three Na S and C avalanche obs (2-2.5) on N and NE aspects in a bowl above test pit elevation band with storm slab crown estimated at ~1m thick.