AST2

Extended Column Test sudden planar, moderate result down 39cms on surface hoar/facet crust, and a hard sudden collapse down 75cms on 1cm thick surface hoar layer, both tests resulted in full propagation of the slab. 1850 meters, NE aspect. We also had other variable results. some of which resulted in no failures. Warm temps in afternoon resulted in the formation of a touchy slab down 40cms.