Avalanche: Hatcher Pass

Location: Post Storm Avalanches 3/20

Date:
Observer:
Allie Barker Professional
Route & General Observations

Dozens of natural avalanches from 3/18, 3/19, 3/20
Mostly wind slabs on leeward aspects (W>NE), some stepping down to PWL , 3000-4500′
Mostly storm slabs on windward (E>SW) , some stepping down to PWL, 3000-4000′

 

 

 

Avalanche Details
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Trigger NaturalRemote Trigger0
Avalanche Type Soft SlabAspect East Southeast
Elevation 3500ftSlope Angleunknown
Crown DepthunknownWidthunknown
Vertical Rununknown  
Avalanche Details

Naturals
Mostly soft slabs, wind slabs, persistent slabs

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)?Yes
Observer Comments

Lots of natural avalanches from past few days.

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

No new snow since 3/19
Winds ESE 4-7 mph, G 15-29 at 4500'. Winds NW 8-12 mph G 12-23 at 3505'
Cooler temps today 12-15 deg F at 4500'. 16-21 deg F at 3505'

Photos & Video
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Government Pk. , natural, NE 4500'  

Stairstep Rib, NW 3500'  

Stairstep Rib, NW 3500'  

Presidents ridge gully, natural, SE 3000'  

Marmot avys that crossed road  

Frostbite gully, natural, E 3000'  

Marmot SE ridge, naturals, E/SE 3500'  

Archangel 1, natural, S/SE 4000'  

Above Delia Creek, natural , SE 3300'  

Sunnyside of Gov't, natural, E and NE 3800'  

Location
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