Hatcher Pass

Human triggered avalanches were reported on March 12 on Marmot.

HATCHER PASS — Forecasters at the Hatcher Pass Avalanche Center have listed avalanche danger in Hatcher Pass as moderate in their most recent forecast from March 13.

HPAC forecasts expire 24 hours after posted and provide two forecasts per week of avalanche conditions in Hatcher Pass, with additional observations from forecasters or those who witnessed avalanches themselves on https://hpavalanche.org.

Human triggered avalanches were reported on March 12 on Marmot, March 13 on the sunnyside of Hatch Peak and March 14 near the same area.

“Persistent slabs up to D2 is size will be possible to human trigger on East through West aspects at all elevations. Small to large Dry loose sluffs will be possible to human trigger at all elevations and all aspects on slopes steeper than 40 (degrees). Natural avalanches are unlikely today.Conditions have improved in much of the terrain at HP although buried crusts and wind pressed terrain still exist and present their own challenges. As we move into spring let’s continue to practice Safe Travel Protocol,” wrote HPAC forecaster Allie Barker.

On March 12, a human-triggered D1.5 slab avalanche was reported on the south-southwest face of Marmot at 4,100 feet. On March 13 on the sunnyside of Hatch Peak, a D2 human triggered persistent slab avalanche was possibly triggered remotely, and occurred at 3,500 feet.

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