Observation: Turnagain

Location: Tincan Trees & Iditarod Trail

Route & General Observations

Anchorage Nordic Ski Patrol had two teams in Turnagain today. One team focused on finding new routes through the trees and the other toured along the Iditarod trail from the Center Ridge parking lot from ~10am-2pm. Both teams noted poor bonding between the storm snow and the layer below.

Red Flags
Red flags are simple visual clues that are a sign of potential avalanche danger. Please record any sign of red flags below.
Obvious signs of instability
Recent Avalanches?No
Collapsing (Whumphing)?Yes
Cracking (Shooting cracks)?No
Observer Comments

Localized whumpfing near 60.78N -149.19, ~ 1380'

Weather & Snow Characteristics
Please provide details to help us determine the weather and snowpack during the time this observation took place.

Snow. Winds were mostly calm at lower elevations and gusts picked up around noon above 1450'. Temperatures warmed from the high teens to over 32 degrees by 2pm. Rain started around 2:30pm when one team left Center Ridge parking lot. This shifted to freezing rain as they were descending the pass and temps dropped into the lower 20s.

Snow surface

New snow


New snow had only local cohesion (occasional <2ft long cracks with depth from surface to pre-storm snow interface when setting a skin track). Sloughing was common while setting track on steeper slopes.