The case study of the Avalanche of “Testa Grigia Orsio” of 11/24/2019 – Gressoney La Trinité – Aosta Valley– Italy
In this study the nivo-meteorological conditions that caused the Testa Grigia avalanche of 11/24/2019 were analysed with the aim of describing its dynamics and damage. It concluded that the avalanche barriers that were destroyed should be repositioned and adapted. The study is supported by the information collected in the Avalanche Cadastre and by advice given by the local avalanche commission. The collaboration between different skills is the basis of an accurate study of the avalanche.