Not only do the weight and power of an avalanche wreak havoc but the air pressure that precedes one can also lay low dense clusters of trees and damage other objects in its way, such as bridges, roads, or railway lines.
Postījumus nodara ne tikai pašas lavīnas masa un spēks, bet arī spiediena vilnis, kas veļas tai pa priekšu un kas var iznīcināt biezus koku pudurus un sagraut tiltus, ceļus un dzelzceļa līnijas.