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Ski Area Other Persistent Slab Soft Slab Moderate Severity

The morning started with a full complement of avalanche control teams heading out the door after receiving 5" of snow/.20" SWE and strong winds. As multiple teams headed down a ridge, one pair reached the start of their route and deployed 2 hand cha ...

Mountain/Ski Guide Maritime Persistent Slab Soft Slab Minor Severity

To find dry snow we toured up a creek to higher elevation terrain. We reached the ridge at 3800 feet. We skied one at a time, down the top 100 feet of 35+ onto 30 degree lower slopes. A D2 persistent slab avalanche released about 40cm down on the fou ...

Gov Public Safety Continental Persistent Slab Hard Slab Minor Severity

We had discussed several possible descents from the summit of the peak that was our final data collection point and decided to descend the shoulder of a gully off the northwest side of the peak. The shoulder was mostly low-angle terrain, but it was a ...

Ski Area Intermountain Deep Persistent Slab Hard Slab Moderate Severity

Deploying explosives during high hazard mitigation work. Standing in historically "safe" location. Large (D4) avalanche wiped out safe spot. This location was covered in AM briefing and deemed to be off the table as unsafe based on conditions. De ...

Other Intermountain Persistent Slab Hard Slab Minor Severity

Pro 2 student group was touring to collect field information on the relevant avalanche problems. This included assessing the distribution and reactivity of recent wind slabs as well as the likelihood of triggering the persistent weak layers mid-pack. ...