Retish Senan

Research Department, Earth System Predictability Section, Long Range

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Retish Senan is a Scientist in the Earth System Predictability Section of the Research Department.  His interests include climate variability on sub-seasonal  to inter-annual time-scales and the impact of land-surface and sea-ice coupling on climate predictability. Currently, he contributes to the development and assessment of a climate configuration of the ECMWF IFS for the European Union Horizon-2020 funded PRIMAVERA Project.

Professional interests: 
  • Earth System Modelling
  • Climate variability and predictability
  • Sea-ice and Land-surface impacts on climate
Career background: 


Ph.D., Indian Institute of Science, Faculty of Engineering, Bangalore, India (2004). Thesis on "Intraseasonal variability of the equatorial Indian Ocean circulation". Advisors: Profs. Debasis Sengupta and B. N. Goswami

M.Sc. (Engg.),  Indian Institute of Science, Faculty of Engineering, Bangalore, India (1999). Master's Thesis on "Intraseasonal variability of the northeast Indian Ocean circulation in an ocean model".

M.Sc. in Oceanography, Cochin University of Science and Technology, Kochi, India (1997).


Professional Experience

  • 2012-2015: Researcher, Department of Geosciences, University of Oslo, Oslo, Norway
  • 2007-2011: Scientist, Norwegian Meteorological Institute, Oslo, Norway
  • 2007: Research Engineer, LSCE/IPSL/CEA, Gif-sur-Yvette, France
  • 2006-2007: Research Engineer, LOCEAN, University Pierre and Marie Curie, Paris, France
  • 2004-2006: Post-Doctoral Researcher, LOCEAN, University Pierre and Marie Curie, Paris, France
  • 1999-2004: Doctoral Researcher, Indian Institute of Sciences, Bangalore, India



Peer-reviewed publications

16) Orsolini, Y., M. Wegmann, E. Dutra, B. Liu, G. Balsamo, K. Yang, P. de Rosnay, C. Zhu, W. Wang and R. Senan (2019): Evaluation of snow depth and snow-cover over the Tibetan Plateau in global reanalyses using in-situ and satellite remote sensing observations, The Cryosphere Discuss.,, in review.

15) Vannière, B., M. E. Demory, P. L. Vidale, R. Schiemann, M. J. Roberts, C. D. Roberts, M. Matsueda, L. Terray., T.Koenigk and R. Senan (2018): Multi-model evaluation of the sensitivity of the global energy budget and hydrological cycle to resolution, Climate Dynamics,

14) Roberts, C. D., R. Senan, F. Molteni, S. Boussetta, M. Mayer, and S. P. E. Keeley (2018): Climate model configurations of the ECMWF Integrated Forecasting System (ECMWF-IFS cycle 43r1) for HighResMIP, Geosci. Model Dev., 11, 3681-3712,

13) Benestad, R. E., R. Senan and Y. J. Orsolini (2016): The use of regression for assessing a seasonal forecast model experiment, Earth System Dynamics 7(4):851-861, doi: 10.5194/esd-7-851-2016.

12) Mesquita, M. d. S., V. Veldore, L. Li, R. Krishnan, Y. Orsolini, R. Senan, M. V. S. Ramarao, and E. Viste (2016), Forecasting India’s water future, Eos, 97, doi:10.1029/2016EO049099.

11) Senan, R., Y. J. Orsolini, A. Weisheimer, F. Vitart, F. J. Doblas-Reyes , T. Stockdale, E. Dutra, D. Basang (2016). Impact of springtime Himalayan-Tibetan Plateau snowpack on the onset of the Indian summer monsoon in coupled seasonal forecasts, Climate Dynamics, doi: 10.1007/s00382-016-2993-y.

10) Y. J. Orsolini, R. Senan, F. Vitart, A. Weisheimer, F. J. Doblas-Reyes (2015): Influence of the Eurasian snow on the negative North Atlantic Oscillation in subseasonal forecasts of the cold winter 2009/2010, Climate Dynamics, doi: 10.1007/s00382-015-2903-8.

9) Orsolini, Y. J., R. Senan, G. Balsamo, F. Doblas-Reyes, F. Vitart, A. Weisheimer, A. Carrasco and R. Benestad (2013): Impact of snow initialization on sub-seasonal forecasts, Climate Dynamics, 41, 1969-1982, doi:10.1007/s00382-013-1782-0.

8) Orsolini, Y. J., R. Senan, R. E. Benestad and Arne Melsom (2012): Autumn atmospheric response to the 2007 low Arctic sea ice extent in coupled ocean-atmosphere hindcasts, Climate Dynamics, 38, 2437-2448, doi:10.1007/s00382-011-1169-z.

7) Benestad, R.E., R. Senan, M. Balmaseda, L. Ferranti, Y. J. Orsolini and A. Melsom (2011): Sensitivity of summer 2-m temperature to sea ice conditions, Tellus, 63A, 324–337, doi: 10.1111/j.1600-0870.2010.00488.x.

6) Sengupta, D., R. Senan, B. N. Goswami and J. Vialard (2007): Intraseasonal variability of equatorial Indian Ocean zonal currents. J. Climate, 20 (13), 3036-3055.

5) Miyama, T., J. P. McCreary, D. Sengupta and R. Senan (2006): Dynamics of biweekly oscillations in the equatorial Indian Ocean. J. Phys. Oceanogr., 36 (5), 827-846.

4) Sengupta, D., R. Senan, V. S. N. Murty and V. Fernando (2004): A biweekly mode in the equatorial Indian Ocean. J. Geophys. Res., 109, C10003, 10.1029/2004JC002329.

3) Senan, R., D. Sengupta and B. N. Goswami (2003): Intraseasonal "monsoon jets" in the equatorial Indian Ocean. Geophys. Res. Lett., 30 (14), 1750, doi:10.1029/2003GL017583.

2) Sengupta, D., B. N. Goswami and R. Senan (2001): Coherent Intraseasonal oscillations of the ocean and atmosphere during the Asian summer monsoon. Geophys. Res. Lett.,  28, 21, 4127-4130.

1) Sengupta, D., R. Senan and B. N. Goswami (2001): Origin of Intraseasonal variability of circulation in the tropical central Indian Ocean. Geophys. Res. Lett., 28, 7, 1267-1270.


Other publications


  • Senan, R. (2004): Intraseasonal variability of the equatorial Indian Ocean circulation. Ph.D. Thesis, Indian Institute of Science, Bangalore, India,119 pp.

thumbnail photo of Retish Senan
Contact Details:
retish . senanecmwf . int