Details

• Date: 2012/12/17

• Observer: Joey Thompson

Location

• BC Zone: Vail & Summit County
• Area Description: Decsending to Black Lake from Lime creek.

Weather

• Ridgeline Wind Speed: 20-30 mph
• Ridgeline Wind Direction: W
• Wind Loading: Moderate
• Temperature: -5 C
• Sky Cover: Obscured
• Depth of Total Snow: 100 cm
• Most Significant Precip Rate: S-1 - < 1 cm/hr

Snowpack

• Snowpack Description: Observed many Whumphs and shooting cracks NE-E-SE @ and below TL. HS 108cm, Fully cupped DH at the bottom with low density slab on top a thin grey line in middle of spx un reactive to shovel tilts and CT. however the there were very easy shears in the upper spx-new/old interface. CT13,Q1(sp),71cm down,DH two CTs performed.

Avalanches

	Date	Location/Path	#	Elev	Asp	Type	Trig	SizeR	SizeD
	2012/12/17  †	Vail Pass	1	<TL	NE	SS	AS / r	R2	D2
Date: 2012/12/17 (Estimated) Observer: Joey Thompson Area Description: rock band aprox 10800ft Landmark: Vail Pass Average Slope Angle: 30 ° Maximum Slope Angle: 30 ° Elevation: 10800 ft Sliding Surface: O - Within Old Snow Weak Layer Grain Type: Unknown Average Crown: 80 cm Maximum Crown: 140 cm Average Width: 200 ft Maximum Width: 300 ft Average Vertical: 110 ft Maximum Vertical: 140 ft Comments: skiing down to Black Lake triggered by skier in group 5 meters away from start zone. no one caught.