Articles | Volume 23, issue 2
https://doi.org/10.5194/acp-23-821-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-23-821-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Daytime along-valley winds in the Himalayas as simulated by the Weather Research and Forecasting (WRF) model
Johannes Mikkola
CORRESPONDING AUTHOR
Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, Finland
Victoria A. Sinclair
Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, Finland
Marja Bister
Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, Finland
Federico Bianchi
Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, Finland
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Cited
14 citations as recorded by crossref.
- High resolution air quality simulation in the Himalayan valleys, a case study in Bhutan B. Bessagnet et al. https://doi.org/10.5194/acp-25-18675-2025
- The impact of mesh size, turbulence parameterization, and land‐surface‐exchange scheme on simulations of the mountain boundary layer in the hectometric range B. Goger & A. Dipankar https://doi.org/10.1002/qj.4799
- Late-spring vertical profiles in atmospheric water vapor stable isotopes reveal westerlies moisture transport across the Himalaya into the Asian Water Towers J. Gao et al. https://doi.org/10.1016/j.scib.2026.05.043
- The impact of the Himalayan aerosol factory: results from high resolution numerical modelling of pure biogenic nucleation over the Himalayan valleys G. Ciarelli et al. https://doi.org/10.1039/D4FD00171K
- Evaluation of semi-implicit and explicit sedimentation approaches in the two-moment cloud microphysics scheme of ICON S. Bolt & N. Omanovic https://doi.org/10.5194/gmd-19-595-2026
- Advancing Radar Echo Extrapolation With Hypergraph-Enhanced Latent Diffusion Model X. Sun et al. https://doi.org/10.1109/TGRS.2025.3596232
- Spatiotemporal Variability and Radiative Forcing of Secondary Brown Carbon over India B. Meda et al. https://doi.org/10.1021/acsestair.5c00120
- Forest dynamics where typhoon winds blow A. Chan et al. https://doi.org/10.1111/nph.20350
- The impact of the mesh size and microphysics scheme on the representation of mid-level clouds in the ICON model in hilly and complex terrain N. Omanovic et al. https://doi.org/10.5194/acp-24-14145-2024
- Utility of Graph Neural Networks in Short-to Medium-Range Weather Forecasting X. Sun et al. https://doi.org/10.32604/cmc.2025.063373
- Analysis of chemical and transport processes of biogenic aerosols over the northern Apennines: insights from the WRF-CHIMERE model B. Vitali et al. https://doi.org/10.1039/D4EA00040D
- Valley floor inclination affecting valley winds and transport of passive tracers in idealised simulations J. Mikkola et al. https://doi.org/10.5194/acp-25-511-2025
- Comparative Study of Low-Level Wind Fields Characteristics at Two Critical Locations in the Terminal Area of Plateau Mountain Airports During the Dry-Season Using Coherent Doppler Wind Lidars J. Wu et al. https://doi.org/10.3390/rs18081224
- Impact of black carbon on daytime valley and slope winds in idealised simulations J. Mikkola et al. https://doi.org/10.5194/acp-26-11171-2026
14 citations as recorded by crossref.
- High resolution air quality simulation in the Himalayan valleys, a case study in Bhutan B. Bessagnet et al. https://doi.org/10.5194/acp-25-18675-2025
- The impact of mesh size, turbulence parameterization, and land‐surface‐exchange scheme on simulations of the mountain boundary layer in the hectometric range B. Goger & A. Dipankar https://doi.org/10.1002/qj.4799
- Late-spring vertical profiles in atmospheric water vapor stable isotopes reveal westerlies moisture transport across the Himalaya into the Asian Water Towers J. Gao et al. https://doi.org/10.1016/j.scib.2026.05.043
- The impact of the Himalayan aerosol factory: results from high resolution numerical modelling of pure biogenic nucleation over the Himalayan valleys G. Ciarelli et al. https://doi.org/10.1039/D4FD00171K
- Evaluation of semi-implicit and explicit sedimentation approaches in the two-moment cloud microphysics scheme of ICON S. Bolt & N. Omanovic https://doi.org/10.5194/gmd-19-595-2026
- Advancing Radar Echo Extrapolation With Hypergraph-Enhanced Latent Diffusion Model X. Sun et al. https://doi.org/10.1109/TGRS.2025.3596232
- Spatiotemporal Variability and Radiative Forcing of Secondary Brown Carbon over India B. Meda et al. https://doi.org/10.1021/acsestair.5c00120
- Forest dynamics where typhoon winds blow A. Chan et al. https://doi.org/10.1111/nph.20350
- The impact of the mesh size and microphysics scheme on the representation of mid-level clouds in the ICON model in hilly and complex terrain N. Omanovic et al. https://doi.org/10.5194/acp-24-14145-2024
- Utility of Graph Neural Networks in Short-to Medium-Range Weather Forecasting X. Sun et al. https://doi.org/10.32604/cmc.2025.063373
- Analysis of chemical and transport processes of biogenic aerosols over the northern Apennines: insights from the WRF-CHIMERE model B. Vitali et al. https://doi.org/10.1039/D4EA00040D
- Valley floor inclination affecting valley winds and transport of passive tracers in idealised simulations J. Mikkola et al. https://doi.org/10.5194/acp-25-511-2025
- Comparative Study of Low-Level Wind Fields Characteristics at Two Critical Locations in the Terminal Area of Plateau Mountain Airports During the Dry-Season Using Coherent Doppler Wind Lidars J. Wu et al. https://doi.org/10.3390/rs18081224
- Impact of black carbon on daytime valley and slope winds in idealised simulations J. Mikkola et al. https://doi.org/10.5194/acp-26-11171-2026
Saved (final revised paper)
Latest update: 09 Sep 2026
Short summary
Local winds in four valleys located in the Nepal Himalayas are studied by means of high-resolution meteorological modelling. Well-defined daytime up-valley winds are simulated in all of the valleys with some variation in the flow depth and strength among the valleys and their parts. Parts of the valleys with a steep valley floor inclination (2–5°) are associated with weaker and shallower daytime up-valley winds compared with the parts that have nearly flat valley floors (< 1°).
Local winds in four valleys located in the Nepal Himalayas are studied by means of...
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