Avalanche: Seward

Location: Eva

Date:

February 17, 2019 2:00pm

Observer:

Jamie Lyons Sara Lane, Carleton Lane, J Leslie

Route & General Observations

Tour to about 2200’ ski down in terrain under 30 degrees

Avalanche Details

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Trigger	Snowboarder	Remote Trigger	0
Avalanche Type	Soft Slab	Aspect	East Northeast
Elevation	2000ft	Slope Angle	30deg
Crown Depth	16in	Width	30ft
Vertical Run	30ft

Avalanche Details

On short steep micro terrain features. Storm snow slid on hard wind crust and broke under board. This was consistent on many micro- terrain features over 30degrees. Terrain encompassed was small due to size of features. No remote triggers but 1 very loud whumph on low angle terrain.

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)?	Yes
Cracking (Shooting cracks)?	No

Observer Comments

Rapid loading due to storm snow.

Weather & Snow Characteristics

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

Weather

Heavy wet snow. 1-2” an hour. NE wind 5-10. Visibility less than 100’ at times. ~32F

Snow surface

~16” heavy wet

Snowpack

No pit dug this time. No photos due to visibility and that I am a terrible photographer

Location

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