Wind SlabsNNEESESSWWNWAlta quotaLimite del boscoSotto il limite del boscoProbabilitàPossible - LikelyDimensione1–2moderate SW winds continue to load lee aspects.
Deep Persistent SlabsNNEESESSWWNWAlta quotaLimite del boscoSotto il limite del boscoProbabilitàUnlikely - PossibleDimensione2–3This facetted weak layer is most easily detected in shallow snowpack areas at tree line and above.