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RISThe Linkage between the Warm and the Cold Conveyor Belts in an Idealized Extratropical Cyclone
Publisher: American Meteorological Society
Abstract: his study continues the investigation of airstreams in idealized moist baroclinic waves and addresses the formation of the cold conveyor belt (CCB), its linkage to the warm conveyor belt (WCB), and their impact on the ...
Eddy Lifetime, Number, and Diffusivity and the Suppression of Eddy Kinetic Energy in Midwinter
Publisher: American Meteorological Society
Abstract: AbstractThe wintertime evolution of the North Pacific storm track appears to challenge classical theories of baroclinic instability, which predict deeper extratropical cyclones when baroclinicity is highest. Although the ...
Warm Conveyor Belts in Idealized Moist Baroclinic Wave Simulations
Publisher: American Meteorological Society
Abstract: his idealized modeling study of moist baroclinic waves addresses the formation of moist ascending airstreams, so-called warm conveyor belts (WCBs), their characteristics, and their significance for the downstream flow ...
When during Their Life Cycle Are Extratropical Cyclones Attended by Fronts?
Publisher: American Meteorological Society
Abstract: AbstractFor nearly a century, the study of atmospheric dynamics in the midlatitudes has presented dichotomic perspectives on one of its focal points: the birth and life cycle of cyclones. In particular, the role of fronts ...
Influence of Tropical Pacific Sea Surface Temperature on the Genesis of Gulf Stream Cyclones
Publisher: American Meteorological Society
Abstract: his study investigates the relationship between tropical Pacific sea surface temperature (SST) variability and cyclogenesis over the Gulf Stream region of the North Atlantic. A cyclone identification scheme and Lagrangian ...
Untitled
Publisher: American Meteorological Society
Abstract: AbstractThe Lagrangian Analysis Tool (LAGRANTO) is adopted and applied to ECMWF?s latest ocean reanalysis. The primary motivation behind this study is to introduce and document LAGRANTO Ocean (LAGRANTO.ocean) and explore ...
Nowcasting Foehn Wind Events Using the AdaBoost Machine Learning Algorithm
Publisher: American Meteorological Society
Abstract: he south foehn is a characteristic downslope windstorm in the valleys of the northern Alps in Europe that demands reliable forecasts because of its substantial economic and societal impacts. Traditionally, a foehn is ...
Extratropical Cyclogenesis Changes in Connection with Tropospheric ENSO Teleconnections to the North Atlantic: Role of Stationary and Transient Waves
Publisher: American Meteorological Society
Abstract: AbstractThis study investigates mechanisms for changes in wintertime extratropical cyclogenesis over North America and the North Atlantic during different phases of El Niño?Southern Oscillation (ENSO). Insights into the ...
Global climatologies of Eulerian and Lagrangian flow features based on ERA-Interim reanalyses
Publisher: American Meteorological Society
Abstract: his paper introduces a newly compiled set of feature-based climatologies identified from ERA-Interim reanalyses (1979?2014). Two categories of flow features are considered: (i) Eulerian climatologies of jet streams, ...