Northern San Juan

Avalanche

John Unger · Dec 15, 2019 · Northern San Juan

View on map

Weather

At 1:10 p.m., completely overcast, steady 15 mph winds, gusting to 25 from WSW. Steadily snowing. Visibility varying 600 m to 900 m. Temp minus 7 C.

Snowpack

BootPen 55 cm. 98 cm HS. Fist dense 98 to 63 cm. 4F at 63 to 40 cm. 1F at 40 to 8 cm. DH at 8 cm to ground. Both Deep Tap and ECT no fracture by 30 taps, but entire column fails as a block at ground DH on shovel tilt test.

Avalanche

Looked for, none seen 10:30 a.m. to past sunset, limited visibility.