A couple inches of new snow in the past 48 hrs were transported into Tuckerman Ravine yesterday, causing what appeared to be a natural avalanche this morning: HS-N-R3-D3. Crown line ran from below the center of the Icefall almost all the way over to . . .
Light snow fall toward the end of the day. Light to calm winds all day.
Somewhat reactive softer slab (F) found over 4F layer down to 1F around 50cm down, then a thin 4F layer of facets over a MFcr that produced multiple CTM, Q2 failures and one ECTN22 result.
Old debris in the main gully extends down to about the 4100’ level, 100’ above where the gully chokes and goes skiers right. We ascended a few hundred feet on the high ground climbers left till the vegetation blocked upward progress. Snow in the . . .
Moderate west and northwest winds at 4000’. It Snowed all day at around S1 to S2. Small convexities on the side of the cog consistently cracked and slumped. 4-6 inches of fresh snow on the decent.
Snow pit profile, and general photo observations
Yesterday our party of two traveled to the base of Hillman’s Highway to practice pit digging and field observations. We chose to dig the pit in the bottom portion of Hillman’s since it’s still early season, but discussed that we wouldn’t have been . . .
There was plenty of snow moving in the Ravine in both directions across the bowl. There was no large crown lines or debris piles to be found. Maybe a few small slides out of the choke in central. The bottom of all the gullies look very full of wind . . .
Soft slab avalanche. E Slope, approx 35 degree slope angle.
Avalanche spanning a majority of the headwall. Some details unknown due to poor visibility. It appears to have started Center Headwall, first smaller avalanche failed mid slab, which then . . .
Human triggered soft slab avalanche. E Slope, approx 30 degrees. Party of one, snowboarder, triggered, caught, carried, not buried as reported by said snowboarder. Crown line starts low in Sluice spans under Sluice Buttress/Sluice Ice. This . . .