Recent Avalanches? | No |
Collapsing (Whumphing)? | No |
Cracking (Shooting cracks)? | Yes |
IMB > SW Marmot > RW Flag Chute
Recent Avalanches? | No |
Collapsing (Whumphing)? | No |
Cracking (Shooting cracks)? | Yes |
Minor, localized, shallow cracking = wind blown snow over NSF
Clear > Partly Sunny (FEW) in PM
No Precip
12:35 3100' -6C 5.5mph NE Down valley breeze
14:10 4000' -3.6C Calm
15:12 4250' -3.5C 1.8mph SE
Highly variable surfaces
Rounds faceting 0.25mm wind-packed and rounds faceting NSF
Wind scoured to crusts
Sastrugi
6-12" Pencil wind slab on loaded sidewalls and leeward over facets HS 225@ 3500'
2 cm windblown soft snow over NSF with localized cracking
No Whumphing
No cracking (other than localized, small)
No recent avalanches
Upper pack recent wind slab
6-12" pencil hard over NSF
Variable strength
Poor structure
Variable propagation
High friction in some locations
Mid-pack burried PWL
Strong strength
Poor structure
Low propagation