|Location:||Bertha Creek Campground|
Route & General Observations
Cornbiscuit parking lot to Bertha Creek Campground area to conduct rescue drills and snowpit tests.
|Trigger||Natural||Avalanche Type||Soft Slab||Aspect||East Southeast|
|Elevation||2000ft||Slope Angle||35deg||Crown Depth||unknown|
Observed a couple small wind slab pockets on motorized side above Bertha Cr. Campground.
Obvious signs of instability
|Recent Avalanches?||Yes||Collapsing (Whumphing)?||No||Cracking (Shooting cracks)?||Yes|
2 small avalanches noted above.
Very localized cracking at the storm snow interface (about 55cm deep).
Snowing 1cm+/ hr til noon. Clearing skies after noon on the South side of Turnagain Pass. Winds were light at road elevation. Noticed some moderate flagging on Seattle ridge from East winds. 28*F in morning. 32*F at 5pm.
New snow was ~55cm deep. Heavy, moisture-laden new snow made for deep trenching with snowmachines. SUper fun riding, DEEP!
ECTP4, 8, 16
All column tests were failing about 75cm down on a layer of facets/ buried surface hoar over a thin crust.
Cory did a couple snowmachine slope cut tests with no results.