...yses on weather leading up to avalanches on the target roads.• SM4 snow sensor: Testing the SM4 automatic snow sensors in three different countries.• Run-out indices: Calculation and utility of Icelandic run-out indices for all avalanche target roads.• Avalanche Services: Avalanche services for road authorities and road users developed within SNAPS.• Snow maps based on satellite data.• Snowdrift m ...