Avalanche: Hatcher Pass

Location: Road Corridor

Route & General Observations

Post 2/26 Storm Observations
Several natural storm slab and wind slab avalanches on mostly SE, S, SW aspects 2500′ to 4000′. Most avalanches appear to have failed on new snow/old snow interface. One low elevation (2500′) W aspect slab failed naturally below the Valentines Storm layer on persistent weak layer on crusts.



Avalanche Details
If this is an avalanche observation, click yes below and fill in the form as best as you can. If people were involved, please provide details.
Trigger NaturalRemote Trigger0
Avalanche Type Soft SlabAspect South
Elevation 3500ftSlope Angle 38deg
Crown DepthunknownWidthunknown
Vertical Rununknown  
Avalanche Details

Multiple soft slab natural avalanches D1-D2 observed that went mid-storm 2/26.
Several dry loose avalanches.

Red Flags
Red flags are simple visual clues that are a sign of potential avalanche danger. Please record any sign of red flags below.
Obvious signs of instability
Recent Avalanches?Yes
Collapsing (Whumphing)?No
Cracking (Shooting cracks)?No
Observer Comments

Recent avalanches. Significant snowfall 2/26 1am- 7am = 10"-12" new snow. Temperatues increasing throughout storm resulting in upside down snowpack.

Weather & Snow Characteristics
Please provide details to help us determine the weather and snowpack during the time this observation took place.

12" plus new snow recorded at IM 2/26 . Winds G16-32 SSE,S, SSW then switched to N throughout storm.

Snow surface

New wind crusts on many surfaces from varying winds N through SSW during and after storm. Upside down snowpack from 2/26 storm.

Photos & Video
Please upload photos below. Maximum of 5 megabytes per image. Click here for help on resizing images. If you are having trouble uploading please email images separately to staff.