Features of the upper tropospheric cyclonic vortices of Northeast Brazil in life cycle stages
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DOI: 10.1002/joc.6839
Abstract: The main purpose of the study is to explore in more detail the Upper Tropospheric Cyclonic Vortices (UTCVs) features over Northeast Brazil (NEB) in an attempt to improve weather forecasts. The various aspects of the… read more here.
Keywords: cyclonic vortices; upper tropospheric; life cycle; life ... See more keywords
Upper‐tropospheric inflow layers in tropical cyclones
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DOI: 10.1002/qj.3856
Abstract: Three-dimensional numerical simulations of tropical-cyclone intensification with sufficient vertical resolution have shown the development of a layer of strong inflow just beneath the upper-tropospheric outflow layer as well as, in some cases, a shallower layer… read more here.
Keywords: upper tropospheric; tropospheric inflow; layer; inflow layers ... See more keywords
Quantifying the Tropical Upper Tropospheric Warming Amplification Using Radio Occultation Measurements
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DOI: 10.1029/2020ea001597
Abstract: In the upper troposphere (UT), Global Navigation Satellite System (GNSS) Radio Occultations (ROs) provide accurate air temperatures ( read more here.
Keywords: quantifying tropical; tropical upper; upper tropospheric; amplification ... See more keywords
Seasonal and Regional Variations of Long-Term Changes in Upper-Tropospheric Jets from Reanalyses
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DOI: 10.1175/jcli-d-17-0303.1
Abstract: AbstractLong-term changes in upper tropospheric jet latitude, altitude, and strength are assessed using five modern reanalyses, MERRA and MERRA-2, ERA-Interim, JRA-55, and NCEP-CFSR. Changes are computed from jet locations evaluated daily at each longitude to… read more here.
Keywords: upper tropospheric; polar jet; jet; term changes ... See more keywords
Predictability of Extratropical Upper-Tropospheric Circulation in the Southern Hemisphere by Its Main Modes of Variability
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DOI: 10.1175/jcli-d-19-0122.1
Abstract: AbstractThe predictability and forecast skill of the models participating in the Climate Historical Forecast Project (CHFP) database is assessed through evaluating the representation of the upper-t... read more here.
Keywords: upper tropospheric; tropospheric circulation; predictability; circulation southern ... See more keywords
Divergent convective outflow in large-eddy simulations
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DOI: 10.5194/acp-23-6065-2023
Abstract: Abstract. Upper-tropospheric outflow is analysed in cloud-resolving large-eddy simulations. Thereby, the role of convective organization, latent heating, and other factors in upper-tropospheric divergent-outflow variability from deep convection is diagnosed using a set of more than… read more here.
Keywords: eddy simulations; large eddy; divergent convective; divergence ... See more keywords