| Recent Avalanches? | Yes |
| Collapsing (Whumphing)? | No |
| Cracking (Shooting cracks)? | No |
Observation: Turnagain
Location: Sunburst, below weather station
Sunburst parking lot to Taylor Pass and up south ridge to Weather Station. Installed new battery/ sensors at weather station and it is now back online!! Best surface snow was found in the meadows on Sunburst approach (<2400′).
Obvious signs of instability
Observer Comments
Recent deep slab avalanche on Pastoral, well documented yesterday.
Active wind loading most of the day today in mid and upper elevations.
Weather
12F at parking lot @ 1000 warming to 22 on ridge (3800') @ 1430.
Winds were moderate from the SE. Active pluming seen on high ridges in Turnagain Pass and Girdwood Valley.
No Precip.
Snow surface
Soft, settled powder in lower meadows. Surface became pretty wind effected (supportable hard slab) at ~2400' all the way up to Taylor Pass. South Sunburst ridge is wind scoured to rock and tundra.
Snowpack
Dug 1 pit at 3500', just below Weather Station. See pit profile below.
Pretty homogenous pack at this location, WSW aspect @ 3500'.
HS = 165cm. Pencil hard wind slab over a thin melt/ freeze crust just above the ground. 2-4mm advanced facets at the ground.
Thanks to Alpine Air for the battery transport and Friends- CNFAIC board members (past and present) Crane Johnson and Jeff Conway for the labor!
Snowpack structure @ 3500' (WSW) on Sunburst. Strong slab over weak base.