쿠마 로이 Kumar Roy

Postdoctoral Research Fellow

Email: kumar.roy@pusan.ac.kr

Research Interests

  • Cloud and Convective Parameterization
  • Low-level Cloud Parameterization
  • Cloud Microphysics
  • Stochastic Modelling
  • Climate Modelling
  • Monsoon
  • Fire Modelling
  • Vegetation Modelling

Education

2022 Ph.D. Meteorology and Oceanography at Andhra University, India.
2015 MSc Physics, Visvesvaraya National Institute of Technology (VNIT), Nagpur, India
2013 BSc Physics (Hons), Burdwan University, India.

Work Experience

2022 2024 PIMS Postdoctoral Fellow at University of Victoria, Victoria, BC, Canada
2022 2022 Project Scientist II, Indian Institute of Tropical Meteorology (IITM), Pune, India
2015 2022 Research Fellow at Indian Institute of Tropical Meteorology (IITM), Pune, India

Fellowships, Awards, and Honors

2023 Selected for Research Gold Medal in Meteorology and Oceanography for best Ph.D thesis award for the Academic year of 2021-22 at Andhra University, India.
2022 Abstract winner, awarded with the WMO funding to attend and present research work at 6th WGNE workshop at Reading, UK.
2022 Selected for Pacific Institute for the Mathematical Sciences (PIMS) Postdoctoral Fellowship
2019 AGU student travel grant winner
2010-2015 Scholar of Innovation in Science Pursuit for Inspired Research (INSPIRE)

Publications

  1. Krishna, R. P. M., Kumar, S., Prajeesh, A. G., Bechtold, P., Wedi, N., Roy, Kumar., Ganai, M., Reddy, B. R., Tirkey, S., Goswami, T., Kanase, R., and Mukhopadhyay, P.: IITM High-Resolution Global Forecast Model Version 1: An attempt to resolve monsoon prediction deadlock, Geosci.Model Dev. Discuss. Accepted, 2025.
  2. Khouider, B., Roy, K., Goswami, B. B., & Phani, M. K. (2025). Toward a breakthrough in convection parameterization using multiscale and multicloud modeling constrained by observations—part ii: Implementation in cam and preliminary results in ”multi-scale precipitation variability over the tropics”. (In: Parthasrathi Mukhopadhyay, Boualem Khouider, and Shoichi Shige (Eds.), Elsevier, expected 2025)
  3. Kumar Roy, Mukhopadhyay P, Krishna R.P.M, Rao T.N, Nair A.K.M, Ramakrishna S.S.V.S. (2021) Role of auto-conversion process in assessing the low-level clouds over the southern Indian Ocean in Climate Forecast System (CFS) version 2. Theoretical and Applied Climatology. https://doi.org/10.1007/s00704-021-03630-z
  4. Kumar Roy, P Mukhopadhyay, R P M Krishna, B Khouider, B B Goswami (2021) Evaluation of mean state in NCEP Climate Forecast System (version 2) simulation using a Stochastic Multicloud Model calibrated with DYNAMO RADAR data, Earth and Space Science. https://doi.org/10.1029/2020EA001455
  5. Kumar Roy, Mukhopadhyay P, Krishna R.P.M, Ganai M, Mahakur M, Rao T.N, Nair A.K.M, Ramakrishna S.S.V.S. (2020) Assessment of climate models in relation to the low‐level clouds over the southern Indian Ocean. Quarterly Journal of Royal Meteorological Society. DOI:10.1002/qj.3847.
  6. Kumar Roy, Mukhopadhyay P, Krishna R.P.M, Ganai M, Mahakur M, Rao T.N, Nair A.K.M, Ramakrishna S.S.V.S. (2020). Sensitivity of climate models in relation to the “pool of inhibited cloudiness” over South of the Bay of Bengal. International Journal of Climatology, 40, June 2020, DOI:10.1002/joc.6423, 3714-3730.
  7. P Mukhopadhyay, Kumar Roy (2020). Evaluation of the convective mass flux profiles associated with cumulus parameterization schemes of CMIP5 models. Journal of Earth System Science, 129: 138, June 2020, DOI:10.1007/s12040-020-01400-5, 1-10, 3617.
  8. Parthasarathi Mukhopadhyay, Peter Bechtold, Yuejian Zhu, R. Phani Murali Krishna, Siddharth Kumar, Malay Ganai, Snehlata Tirkey, Tanmoy Goswami, M. Mahakur, Medha Deshpande, V. S. Prasad, C. J. Johny, Ashim Mitra, Raghavendra Ashrit, Abhijit Sarkar, Sahadat Sarkar, Kumar Roy et al. (2021) Unravelling the mechanism of extreme (more than 30 sigma) precipitation during August 2018 and 2019 over Kerala, India. Weather and Forecasting. 1253-1273. DOI:10.1175/WAF-D-20-0162.1.
  9. Mukhopadhyay P., Bechtold P., Zhu Y., Krishna R.P.M., Kumar Siddharth, Ganai M., Tirkey S., Goswami T., Mahakur M., Deshpande M., Prasad V.S., Johny C.J., Mitra A., Ashrit R., Sarkar A., Sarkar Sahadat, Roy Kumar, Andrews E., Kanase R., Malviya S., Abhilash S., Domkawle M., Pawar S.D., Mamgain A., Durai V.R., Nanjundiah R.S., Mitra A.K., Rajagopal E.N., Mohapatra M., Rajeevan M (2021) Unravelling the mechanism for extreme rain events in Kerala, India (NOWCAST: Papers of Note). Bulletin of the American Meteorological Society, May 2021, 400-401.
  10. Mukhopadhyay P, Phani MK, Abhik S, Malay Ganai, Kumar Roy (2019) Challenges of improving the stratiform processes in a coupled climate model with Indian monsoon perspective, Current trends in the Representation of Physical Processes in Weather and Climate Models, D. A. Randall et al. (eds) pp. 219-229, https://doi.org/10.1007/978-981-13-3396-5_12.
  11. P. Mukhopadhyay, V. S. Prasad, R. Phani Murali Krishna, Medha Deshpande, Malay Ganai, Snehlata Tirkey, Sahadat Sarkar, Tanmoy Goswami, C. J. Johny, Kumar Roy, M. Mahakur, V. R. Durai and M. Rajeevan (2019) Performance of very high-resolution Global Forecast System Model (GFS T1534) at 12.5 km over Indian region during 20162017 monsoon seasons. Journal of Earth System Science.
  12. S.R Munishwar, Kumar Roy and Rupesh Gedam: Photolumincence study of Sm3+ containing sodium borosilicate glasses and glass-ceramics, Materials Research Express doi: https//doi.org/10.1088/20531591/aa8c91.