The Signature of the Midlatitude Tropospheric Storm Tracks in the Surface Winds
作者： James F. Booth , Lu Anne Thompson , Jérôme Patoux , Kathryn A. Kelly , Suzanne Dickinson
关键词: Atmospheric instability 、 Middle latitudes 、 Planetary boundary layer 、 Geology 、 Spatial variability 、 Climatology 、 Spatial distribution 、 Oceanic basin 、 Spatial ecology 、 Storm
摘要: Abstract Storm-track analysis is applied to the meridional winds at 10 m and 850 hPa for winters of 1999–2006. The focused on North Atlantic Pacific Ocean basins Southern spanning region south Indian Ocean. spatial patterns that emerge from 850-hPa are typical free-tropospheric storm tracks. surface differ differences between tracks can be explained by influence variability in instability atmospheric boundary layer. Strongly unstable layers allow greater downward mixing momentum (momentum mixing), this may cause stronger regions with time mean. Principal component suggests basin-scale reflected th...
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