| Recent Avalanches? | No |
| Collapsing (Whumphing)? | Yes |
| Cracking (Shooting cracks)? | No |
Observation: Turnagain
Location: Sunburst
Standard up/down track, with equipment failure
Obvious signs of instability
Observer Comments
No current signs of drifting snow, but signs of recent wind effect above 1500'.
We spoke to a skier who spent the day at Tincan, reporting "widespread whumphing."
Weather
Obscured cloud cover above 5000', then dropped to 2500' by 2p
26°F - 35°F
Light intermittent flurries
Calm winds
Snow surface
High density powder
Parking lot to 1200' subtle 1-2cm surface crust right below 2cm of fresh
Surface was wind effected from 1500-2000' and mostly supportable
Ski penetration: 20cm from 1000-1800', then <10cm from 1800'-2000'
Snowpack
Pit #1:
HS65, 1500', west aspect (whumph at this location)
CT12SC↓35 in facets between two crust layers (we couldn't find surface hoar)
Pit #2:
HS90, 2000' west aspect
CT13SC↓20cm on BSH (solstice)
CT18SC↓20cm on BSH (solstice)
ECTPX
Pit #3:
HS115, 2000' west aspect (20' away from pit #2)
CT6SC↓20cm on stallars (below wind effected snow)
CT8SC↓20cm on stellars (below wind effected snow)
CT12SC(x3)↓40cm on BSH (solstice)
ECTP10↓40cm on BSH (solstice)
ECTP11↓40cm on BSH (solstice)
ECTP12↓40cm on BSH (solstice)
Test Pit #2 - See notes for details
Test Pit #3 - See notes for details
Slab formation Dec. 22-30
Looking toward Magnum from Sunburst
Looking toward Seattle Ridge from Sunburst