आईआईटीएम
IITM

1. Recognition: 

• Associate Professorship from Academy of Scientific and Innovative Research (AcSIR)
• Recognized as Ph.D. Guide by Savitribai Phule Pune University (SPPU) for the Period 2019-2028.
• Adjunct Professor of the Department of Atmospheric & Space Sciences, SPPU for the academic year 2020-21.

2. Academic Activities:

• Teaching tropical air-sea interaction for IITM PhD students
• Teaching General Circulation of Atmosphere course (Monsoon and variability mainly) for PhD course work of IITM PhD students
• Atmospheric Thermodynamics course for MSc students at SP Pune University during 2020-2021

3. Project Management: 

• Looking after the duties of Project Manager, Monsoon Mission (from Oct 2024)

Monograph

1. Prasanth A Pillai and K Mohankumar: Interannual variability of Indian summer monsoon: Role of TBO. VDM Verlag Publishers , 2010, ISBN 978-3-639-19994-9

Referred Journals

1. Anika Arora, Vinu Valsala, Prasanth A. Pillai, R. Phani Murali Krishna, Understanding Indian summer monsoon rainfall variability through the lens of tropospheric biennial oscillation: a study of temporal and spatial patterns in CMIP6 models, Climate Dynamics, 63(10), October 2025, DOI: 10.1007/s00382-025-07858-7
2. Maurya R.K.S., Pradhan M., Rao Suryachandra A., Jain D., Srivastava A., Prasanth A Pillai, Kiran V.G., Das R.S., Monsoon Low-Pressure Systems in Monsoon Mission Climate Forecast System Version 2, International Journal of Climatology, 2025 May, DOI:10.1002/joc.8891
3. Suneeth K.V., Prasanth A Pillai, Rao Suryachandra A., Jain D., Pradhan M., Srivastava A., Assessment of Indian Summer Monsoon in Seasonal Hindcasts From Next-Generation GFDL and IITM Models, International Journal of Climatology, 2025 Aug, DOI:10.1002/joc.70068
4. Prasanth A Pillai^, V. G Kiran and K. V Suneeth (2025): Differential role of external and internal forcing in the prediction of boreal summer and fall season Indian Ocean SST variability in ECMWF SEAS5 ( International Journal of climatology, Feb 2025).
5. Satyaban B Ratna, Jasmine Takle, Madhuri Musale, Tanu Sharma, Sabeerali C. T., O.P. Sreejith, Arvind Pagire, Prasanth A Pillai (2025): An assessment of the ENSO forecast skill in the Monsoon Mission Coupled Forecast System ( Theoretical and Applied Climatology, 106(1) 1-18.
6. Gowri VL, Prasanth A Pillai and Suneeth KV (2024): Efficiency of Monsoon Mission Climate Forecast System (CFSv2-T382) to predict the large-scale and regional short-term drought over India during boreal summer and its possible controlling factors. Climate dynamics 62 (Jun 2024): 7381-7398
7. Prasanth A Pillai, VG Kiran, KV Suneeth (2024). The strengthened role of new predictors of Indian Ocean Dipole (IOD) during the recent decades of weakened ENSO-IOD relationship. Dynamics of Atmosphere and Oceans:106
8. Gill Martin et al (2024). Coupled model development, evaluation and intercomparisons between modelling systems. Deliverable reports, WCSSP Indo-UK Metoffice.
9. Jain, D., Rao, S. A., Dandi, R. A., Prasanth A Pillai., Srivastava, A., Pradhan, M., and Gangadharan, K. V (2024).: Monsoon Mission Coupled Forecast System version 2.0: model description and Indian monsoon simulations, Geosci. Model Dev., 17, 709–729, https://doi.org/10.5194/gmd-17-709-2024, 2024.
10. Ramu, D.A., Dhakate, A.R., Prasanth A Pillai. et al(2023). Assessment of extreme seasonal rainfall over India in current seasonal coupled models during the recent period. Clim Dyn 61, 461–487 (2023). https://doi.org/10.1007/s00382-022-06599-1
11. Anika Arora, Vinu Valsala, Prasanth A. Pillai (2023), A contrast in biennial variability of rainfall between central India and the Western Ghats and its mechanisms, Dynamics of Atmospheres and Oceans,Volume 103, 101383, ISSN 0377-0265, https://doi.org/10.1016/j.dynatmoce.2023.101383.
12. Das, R.S., Rao, S.A., Prasanth A Pillai. et al (2023). Role of south-west Indian orography in modulating large-scale monsoon circulation. Theor Appl Climatol 154, 1277–1290 (2023). https://doi.org/10.1007/s00704-023-04597-9
13. Prasanth A Pillai, Dhakathe A.R., Kiran V.G (2023). Different role of spring season Atlantic SST anomalies in Indian summer monsoon rainfall (ISMR) variability before and after early 2000 Climate Dynamics, Online (IF:4.901)
14. Prasanth A Pillai and Ashish R Dhakathe (2022) : Role of Atlantic SST anomalies in the recent ENSO predictability change in NMME model hindcasts. Clim Dyn 59, 3683–3699 (2022). https://doi.org/10.1007/s00382-022-06290-5. (Dec 2022). Impact Factor (IF): 4.901
15. Prasanth A Pillai, Rao Suryachandra A., Gangadharan K.V., Pradhan M., Srivastava Ankur, Jain D.K (2022). Impact of reduced ENSO variability and amplitude on ISMRprediction in the long-lead forecasts of monsoon mission CFS. International Journal of Climatology, 42, DOI:10.1002/joc.7809, 9166-9181. (December 2022). IF: 3.651.
16. Attada R., Ehsan M.A., Prasanth A Pillai (2022). Evaluation of Potential Predictability of Indian Summer Monsoon Rainfall in ECMWF's Fifth-Generation Seasonal Forecast System(SEAS5). Pure and Applied Geophysics, 179, DOI:10.1007/s00024-022-03184-9, 4639-4655 (December 2022). IF:2.64
17. Dandi R.A., Dhakate A.R., Prasanth A Pillai, Rambabu G., Sreenivas P., Saikrishna T.S (2022). Assessment of extreme seasonal rainfall over India in current seasonal coupled models during the recent period. Climate Dynamics, Online, November 2022, DOI:10.1007/s00382-022-06599-1, 1-27 (IF:4.901).
18. Rohini P., Rajeevan M., Rao Suryachandra A., Pillai P.A., Assessment of hot weather seasonal temperatures over India using Monsoon Mission Coupled Forecasting System hindcasts, International Journal of Climatology, Online, September 2022, DOI:10.1002/joc.7866, 1-13
19. Das Renu S., Rao Suryachandra A., Pillai P.A., Srivastava Ankur, Pradhan M., Dandi R.A., Why coupled general circulation models overestimate the ENSO and Indian Summer Monsoon Rainfall (ISMR) relationship?, Climate Dynamics, 59, November 2022, DOI:10.1007/s00382-022-06253-w, 2995–3011
20. Dhakate, A.R., Prasanth A Pillai (2022). Seasonal extreme rainfall over Indian monsoon region: a moisture budget analysis to distinguish the role of ENSO and non-ENSO forcing. Theor Appl Climatol 148, 1603–1613. https:// doi.org/10.1007/ s00704-022-04016 -5. (May 2022, was online in 2022 report). IF:3.409
21. Pradhan M., Rao Suryachandra A., Doi T., Pillai P.A., Srivastava Ankur, Behera S., Comparison of MMCFS and SINTEX-F2 for seasonal prediction of Indian summer monsoon rainfall, International Journal of Climatology, 41, November 2021, DOI:10.1002/joc.7169, 6084-6108
22. Pillai P.A., Rao Suryachandra A., Srivastava Ankur, Dandi R.A., Pradhan M., Das Renu S., Impact of the tropical Pacific SST biases on the simulation and prediction of Indian summer monsoon rainfall in CFSv2, ECMWF-System4, and NMME models, Climate Dynamics, 56, March 2021, DOI:10.1007/s00382-020-05555-1, 1699-1715
23. Pillai P.A., Ramu D.A., Nai R.C., Recent changes in the major modes of Asian summer monsoon rainfall: influence of ENSO-IOD relationship, Theoretical and Applied Climatology, 143, February 2021, DOI:10.1007/s00704-020-03454-3, 869-881
24. Srivastava Ankur, Rao Suryachandra A., Pradhan M., Pillai P.A., Prasad V.S., Gain of one-month lead time in seasonal prediction of Indian summer monsoon prediction: comparison of initialization strategies, Theoretical and Applied Climatology, 143, February 2021, DOI:10.1007/s00704-020-03470-3, 1083–1096
25. Dandi A.R., Pillai P.A., Chowdary J.S., Srinivas D., Srinivas G., Koteswara Rao K., Nageswararao M.M., Inter-annual variability and skill of tropical rainfall and SST in APCC seasonal forecast models, Climate Dynamics, 56, January 2021, DOI:10.1007/s00382-020-05487-w, 439-456
26. Mandke S.K., Prasanth A Pillai, Sahai A.K (2020). Simulation of monsoon intra‐seasonal oscillations in Geophysical Fluid Dynamics Laboratory models from Atmospheric Model Intercomparison Project integrations of Coupled Model Intercomparison Project phase 5. International Journal of Climatology, 40, November 2020, DOI: 10.1002/joc.6536, 5574-5589
27. Ramu A. Dandi, Jasti S. Chowdary, Prasanth A. Pillai, Sradhara Sidhan N. S., Koteswararao K, Ramakrishna S.S.V.S. (2020): Impact of El Niño Modoki on Indian summer monsoon rainfall: Role of western north Pacific circulation in observations and CMIP5 models. International Journal of Climatology, 40, March 2020, DOI:10.1002/joc.6322, 2117-2133
28. Devika M.V., Pillai P.A., Recent changes in the trend, prominent modes, and the interannual variability of Indian summer monsoon rainfall centered on the early twenty-first century, Theoretical and Applied Climatology, 139, January 2020, DOI:10.1007/s00704-019-03011-7, 815–824
29. Krishna R.P.M., Rao S.A., Srivastava A., Kottu H.P., Pradhan M., Pillai P., Dandi R.A., Sabeerali C.T., Impact of convective parameterization on the seasonal prediction skill of Indian summer monsoon, Climate Dynamics, 53, November 2019, DOI:10.1007/s00382-019-04921-y, 6227-6243
30. Pillai P.A., Nair R.C., Vidhya C.V., Recent changes in the prominent modes of Indian Ocean dipole in response to the tropical Pacific Ocean SST patterns, Theoretical and Applied Climatology, 138, October 2019, DOI: 10.1007/s00704-019-02875-z, 941-951
31. Rao S.A., Goswami B.N., Sahai A.K., Rajagopal E.N., Mukhopadhyay P., Rajeevan M., Nayak S., Rathore L.S., Shenoi S.S.C., Ramesh K.J., Nanjundiah R.S., Ravichandran M., Mitra A.K., Pai D.S., Bhowmik S.K.R., Hazra A., Mahapatra S., Saha S.K., Chaudhari H.S., Joseph S., Pentakota S., Pokhrel S., Pillai P.A., Chattopadhay R., Deshpande M., Krishna R.P.M., Siddharth Renu, Prasad V.S., Abhilash S., Pani, Monsoon Mission : A targeted activity to improve monsoon prediction across scales, Bulletin of the American Meteorological Society, Online, September 2019, DOI:10.1175/BAMS-D-17-0330.1
32. Rao Suryachandra A., Pillai P.A., Pradhan M., Srivastava A., Seasonal prediction of Indian summer monsoon in India: The past, the present and the future, Mausam, 70, April 2019, 265-276
33. Arora A., Rao Suryachandra A., Pillai P., Dhakate A., Salunke K., Srivastava A., Assessment of prediction skill in equatorial Pacific Ocean in high resolution model of CFS, Climate Dynamics, 51, November 2018, DOI:10.1007/s00382-018-4084-8, 3389–3403
34. Pillai P.A., Rao S.A., Das R.S., Salunke K., Dhakate A., Potential predictability and actual skill of Boreal Summer Tropical SST and Indian summer monsoon rainfall in CFSv2-T382: Role of initial SST and teleconnections, Climate Dynamics, 51, July 2018, DOI:10.1007/s00382-017-3936-y, 493-510
35. Pillai P.A., Rao S.A., Ramu D.A., Pradhan M., George G., Seasonal prediction skill of Indian summer monsoon rainfall in NMME models and monsoon mission CFSv2, International Journal of Climatology, 38, April 2018, DOI:10.1002/joc.5413, e847-e861
36. Pillai P.A., Aher V.R., Role of monsoon intraseasonal oscillation and its interannual variability in simulation of seasonal mean in CFSv2, Theoretical and Applied Climatology, 131, January 2018, DOI:10.1007/s00704-016-2006-4, 745-760
37. Pillai P.A., Rao S.A., George G., Rao D.N., Mahapatra S., Rajeevan M., Dhakate A., Salunke K., How distinct are the two flavors of El Niño in retrospective forecasts of Climate Forecast System version 2 (CFSv2)?, Climate Dynamics, 48, June 2017, DOI:10.1007/s00382-016-3305-2, 3829-3854
38. Chowdary J.S., Harsha H.S., Gnanaseelan C., Srinivas G., Parekh A., Pillai P., Naidu C.V., Indian summer monsoon rainfall variability in response to differences in the decay phase of El Niño, Climate Dynamics, 48, April 2017, DOI:10.1007/s00382-016-3233-1, 2707-2727
39. Ramu D.A., Suryachadra A. Rao, Pillai P., Pradhan M., George G., Nagarguna Rao D., Mahapatra S., Pai D.S., Rajeevan M., Prediction of seasonal summer monsoon rainfall over homogenous regions of India using dynamical prediction system, Journal of Hydrology, 546, March 2017, DOI:10.1016/j.jhydrol.2017.01.010, 103–112
40. Pai D.S., Suryachandra A. Rao, Senroy S., Pradhan M., Pillai P.A., Rajeevan M., Performance of the operational and experimental long-range forecasts for the 2015 southwest monsoon rainfall, Current Science, 112, January 2017, DOI:10.18520/cs/v112/i01/68-75, 68-75
41. Ravi Kumar K., Valsala V., Tiwari Y.K., Revadekar J.V., Pillai P., Prakash, Chakraborty S., Murtugudde R., Intra-seasonal variability of atmospheric CO2 concentrations over India during summer monsoons, Atmospheric Environment, 142, October 2016, DOI:10.1016/j.atmosenv.2016.07.023, 229-237
42. Pillai P.A., Sahai A.K., Moisture dynamics of the northward and eastward propagating boreal summer intraseasonal oscillations: possible role of tropical Indo-west Pacific SST and circulation, Climate Dynamics, 47, August 2016, 1335–1350
43. Prasanth A Pillai  and J.S Chowdary (2016): Indian summer monsoon intraseasonal oscillation associated with the developing and decaying phase of El Niño. International journal of climatology 36, 1846-1862
44. Chakravorty S., Gnanaseelan C., Prasanth A Pillai (2016): Combined influence of remote and local SST forcing on Indian Summer Monsoon Rainfall variability. Climate Dynamics, online, January 2016
45. Susmitha Joseph, A. K Sahai, S. Sharmila, S. Abhilash, N. Borah, R. Chattopadhyay, Prasanth A Pillai, M. Rajeevan and Arun Kumar (2015): North Indian heavy rainfall event during June 2013: diagnostics and extended range predicition. Climate Dynamics 44: 2049-2065
46. Prasanth A Pillai and A. K Sahai (2015): Moisture Dynamics of Northward and eastward propagation of boreal summer intraseasonal oscillation in the Indian Ocean: Possible role of tropical Indo-west Pacific SST and circulation. Climate dynamics, online Nov 2015
47. Prasanth A Pillai and A.K Sahai (2014). Moist Dynamics of active/break cycle of Indian summer monsoon rainfall from NCEPR2 and MERRA reanalysis. International journal of climatology 34: 1429-1444
48. Vinu Valsala, Yogesh Tiwari, Prasanth A Pillai,  Mathew Roxy,   Shamil Maksyutov and Raghu Murtugudde  (2013):  Intraseasonal variability of terrestrial biospheric CO₂ fluxes over India during summer monsoons. JGR-Biogiosciences, 118, 752-769
49. A. K. Sahai , S. Sharmila, S. Abhilash, R. Chattopadhyay, N. Borah, R. P. M. Krishna, S. Joseph, M. Roxy, S. De, S. Pattnaik and Prasanth . A. Pillai (2013): Simulation and extended range prediction of monsoon intra-seasonal oscillations in NCEP/GFS version 2 framework. Current Science, 104, May 2013, 1394-1408
50. Sharmila S, Prasanth A Pillai, S. Jospeh, M. Roxy, R. P.M. Krishna, R. Chadopathy, A.K Sahai, Abhilash, and B.N Goswami (2013) : Role of Ocean-atmosphere interaction on northward propagation of Indian summer monsoon intarseasonal oscillations, Climate dymaics 41 , 1651-1669
51. Annamalai H, Jan Hafner, Sooraj. K.P, Prasanth A Pillai (2012):  Global warming shifts the monsoon circulation, drying south Asia.  Journal of climate , 26, 2701-2718
52. Prasanth A Pillai and H. Annamalai (2011) : Moist Dynamics of Severe Monsoons over South Asia: Role of the Tropical SST, Journal of Atmospheric Sciences doi: 10.1175/JAS-D-11-056.1, in press
53. Prasanth A Pillai and K Mohankumar (2010): Individual and combined influence of El Ni˜no–SouthernOscillation and Indian Ocean Dipole on the Tropospheric Biennial Oscillation. Q. J. R. Meteorol. Soc.136: 297–304. DOI:10.1002/qj.579
54. Prasanth A Pillai and K Mohankumar (2010): Effect of late 1970’s climate shift on tropospheric biennial oscillation – role of local Indian Ocean processes on Asian summer monsoon. Int. J. Climatol. 30: 509–521
55. Prasanth A Pillai and K Mohankumar (2009): Role of TBO and ENSO scale Ocean-Atmosphere interaction in the Indo-Pacific region on Asian summer monsoon variability. Theoretical and Applied Climatology. vol. 97; pp. 99-108
56. Mohankumar, K., and Prasanth A Pillai ( 2008): Stratosphere-Troposphere interaction associated with Biennial oscillation of Indian summer monsoon. Journal of Atmospheric and Solar-Terrestrial Physics, 77, 764–773. DOI:10.1016/j.jastp.2007.12.001.
57. Prasanth A   Pillai and K. Mohankumar (2008): Local Hadley circulation over Asian monsoon region associated with Tropospheric biennial oscillation. Theoretical and Applied Climatology,91,171–179. DOI 10.1007/s00704-007-0305-5.
58. Prasanth A Pillai, and K. Mohankumar (2007): Tropospheric biennial oscillation of Indian summer monsoon with and without El-nino southern oscillation. International Journal of Climatology,  27 (15), 2095–2101.

PhD -2 main Guide, 2 co-guide

M. Tech./M.Sc/  students guided: 09