Avalanche: Hatcher Pass

Location: Delia Creek Avalanche 3/22

Date:

March 23, 2020 9:09

Observer:

Allie Barker Forecaster

Route & General Observations

Delia Creek Avalanche 3/22
Skier remote trigger from uptrack on ridge
Different party of 3 skied adjacent slope 5-10 min prior to reported avalanche
Remote trigger sympathetically triggered 2nd avalanche
SS-ASr-D2.5-O
SS-ASy-D2-O

Avalanche Details

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Trigger	Skier	Avalanche Type	Soft Slab
Aspect	East	Elevation	3300ft
Slope Angle	unknown	Crown Depth	unknown
Width	unknown	Vertical Run	600ft

Avalanche Details

SS-Asr-D2.5-O Remotely triggered
SS-Asy-D2-O Sympathetic

Red Flags

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Obvious signs of instability

Recent Avalanches?	Yes
Collapsing (Whumphing)?	Yes
Cracking (Shooting cracks)?	No

Observer Comments

see other obs from the day
naturals from 3/21 storm observed: storm slab, wind slab, dry loose, wet loose, deep Persistent slab
human triggered avalanches observed 3/22: storm slab, wind slab, dry loose, wet loose, deep persistent slab

Weather & Snow Characteristics

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Weather

10" new snow in 10 hrs 3/21
wind SSE 10-15 G 16-22 for 7 hours at 4500′ 3/21

Photos & Video

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Delia Avalanche 3/22

Location

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