Southern San Juan

Avalanche

Jasper Thompson · Dec 19, 2018 · Southern San Juan

View on map

Weather

Near Treeline: Overcast Sky, Moderate Snowfall (S2), Light to Moderate South to Southwest wind, None to Light Snow Transport Above Treeline: Overcast Sky, Moderate Snowfall (S2), Strong North Wind, Intense Snow Transport.

Snowpack

Near Treeline SE: Height of Snow 0.5' to 2', depth hoar present, ~0-12" pencil hard, ~12 crust complex, ~12-24" fist hard, ECTN 18 on top of crust complex ~12" above ground. Above Treeline SW-S: Scoured knife hard melt freeze crust to 4' deep fist+ hard wind pillows.

Avalanche

12600' D0.5 windslab on melt freeze crust in isolated ~35° southerly aspects with intense wind loading.