Size 3: Could bury and destroy a car, damage a truck, destroy a wood frame house, or break a few trees
Crowns of very large natural slab avalanches (est. D3) on the east face of Seward Peak between 7400-7600ft. The avalanches likely ran during Monday's storm event.
Signs of Unstable Snow
Large to very large slab avalanches released high in the alpine during the storm cycle that ended Monday featuring rain and snow. Avalanche activity tied to these larger slides has subsided. A few inches of low-density snow now sits atop a stout crust (12/21) and avalanche concerns were minimal today in non-wind loaded terrain. Travel conditions are fast and firm. Continuous snow begins near 2500ft with the height of snow 200-250cm/80-100in above 4000ft.
Observed Avalanche Problem #1:
10-15cm/4-6in of recent snow redistributed into shallow slabs (F-4F) in lee and cross-loaded alpine features. Observed a few small natural and triggered wind slab avalanches in the past 24 hours on slopes >35 degrees. Avalanches failed within wind drifted snow and slightly deeper on a firm crust (12/21).