Southern San Juan
AvalancheMatt Huber · Mar 6, 2021 · Southern San Juan
Weather
A beautiful spring day. Clear skies and temperatures in the mid to upper twenties. No visible blowing snow in any direction.
Snowpack
The snowpack depth at 11,000 feet on a northeast-facing slope is about 200-230 cm. A widespread 1-2 cm crust can be found on southerlies and sun exposed slopes near and below treeline. Temperatures overnight were cold enough to leave a few millimeters of facets on top of the crust this morning. Snow surfaces on northerlies and shaded slopes remain loose, dry and cold. Without an atmospheric river type-event, storm instabilities and wet avalanche concerns will be the main problems driving the avalanche danger.
Avalanche
Three recent, natural storm slab avalanches on the northeast aspects of Gibbs Creek. About 11,000 feet. The largest started mid slope and looked to initiate at least one of the others that was on a lower bench. The debris from the lower avalanches crossed the skin track climbing out of Gibbs. Previously coded