Avalanche: Chugach State Park

Location: Moon Gully (above Hiland Road Bus Turnaround)

Date:

April 2, 2019 5:30pm

Observer:

Anonymous

Route & General Observations

Followed established skinner from school bus turnaround – about 1 hour behind another party

Avalanche Details

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Trigger	Natural	Remote Trigger	0
Avalanche Type	Hard Slab	Aspect	Northwest
Elevation	3300ft	Slope Angle	unknown
Crown Depth	12in	Width	unknown
Vertical Run	1000ft

Avalanche Details

Large whoomp near top of gully - possible refreeze "slab" settling onto isothermal beneath, good size slab popped out about 100' below me from NW aspect (climbers right). Slow moving chunks running long on top of refreeze.

Red Flags

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Obvious signs of instability

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

Observer Comments

Just the whoomp that triggered it

Weather & Snow Characteristics

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Weather

Sunny with thin clouds, light wind, 40F

Snow surface

1" soft (corn) on firm (overnight refreeze)on top of isothermal

Photos & Video

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IMG_3832

IMG_3833

Photo of the entire Moon Gully from South Fork trailhead

Location

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