Details

• Date: 2019/12/10

• Observer: john morrone
• Organization: Public

Location

• BC Zone: Vail & Summit County
• Area Description: Vail Pass- "Dog Run"

Weather

• Weather Description: 11,000', W, sheltered open forest and glades bluebird, w 5-15, stronger at ridgeline, 25 F, some solar wetting on surface at noon

Snowpack

• Snowpack Description: vail pass below uneva ridge 11,600'-10,800' west exposure 20 degrees HS 60-80 CM snowpack only supportive where old tracks existed. boot pen to ground (32"-80cm), ski pen 20 cm surface covered in surface hoar up to 4-5 mm in sheltered locations. top 25 CM cold low density storm snow, loose, only beginning to become cohesive after noon warming. quick pits indicate basal 20 CM facets loose, weak, fist soft covered by significant MF layer 5 cm thick (Knife?). another faceted 10 cm layer under a weak MF crust on open W exposures ski compaction on this overused slope did NOT penetrate to basal facet layer, but only above the overlying crust layer where investigated.

Avalanches

• Avalanche Description: recent E-SE slab ( 1.5?) SS with clear slab crown just below cornices with current lee wind top loading. likely natural either cornice collapse or windloading trigger

	Date	Location/Path	#	Elev	Asp	Type	Trig	SizeR	SizeD
	2019/12/10  †	Vail Pass	1	>TL	E	SS	N	R1	D1.5
Date: 2019/12/10 (Estimated) Observer: john morrone Organization: Public Area Description: Near Uneva Landmark: Vail Pass

Media

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