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   Articles with "upper tropospheric" as a keyword



Features of the upper tropospheric cyclonic vortices of Northeast Brazil in life cycle stages

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recommendations! Published in 2020 at "International Journal of Climatology"

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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recommendations! Published in 2020 at "Quarterly Journal of the Royal Meteorological Society"

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
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Quantifying the Tropical Upper Tropospheric Warming Amplification Using Radio Occultation Measurements

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recommendations! Published in 2021 at "Earth and Space Science"

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

Isoprene chemistry under upper-tropospheric conditions

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recommendations! Published in 2025 at "Nature Communications"

DOI: 10.1038/s41467-025-64229-w

Abstract: Isoprene (C5H8) is the non-methane hydrocarbon with the highest emissions to the atmosphere. It is mainly produced by vegetation, especially broad-leaved trees, and efficiently transported to the upper troposphere in deep convective clouds, where it… read more here.

Keywords: upper tropospheric; chemistry; document; tropospheric conditions ... See more keywords
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Seasonal and Regional Variations of Long-Term Changes in Upper-Tropospheric Jets from Reanalyses

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recommendations! Published in 2018 at "Journal of Climate"

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
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Predictability of Extratropical Upper-Tropospheric Circulation in the Southern Hemisphere by Its Main Modes of Variability

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recommendations! Published in 2020 at "Journal of Climate"

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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recommendations! Published in 2023 at "Atmospheric Chemistry and Physics"

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

Upper-tropospheric pollutants observed by MIPAS: geographic and seasonal variations

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recommendations! Published in 2025 at "Atmospheric Chemistry and Physics"

DOI: 10.5194/acp-25-1175-2025

Abstract: Abstract. We present a global climatology of upper-tropospheric hydrogen cyanide (HCN), carbon monoxide (CO), acetylene (C2H2), ethane (C2H6), peroxyacetyl nitrate (PAN), and formic acid (HCOOH) obtained from observations of the Michelson Interferometer for Passive Atmospheric… read more here.

Keywords: upper tropospheric; hcn; pollutants observed; c2h6 ... See more keywords