Annamalai, Hariharasubramanian

with No Comments
Research Professor
International Pacific Research Center
School of Ocean and Earth Science and Technology
University of Hawaii
Honolulu, Hawaii 96822
Phone: (808) 956-5646
Fax: (808) 956-9425
Webpage: IPRC – Hanna


  • Ph. D. – 1995, Atmospheric Science, Indian Institute of Technology, Kharagpur. Title: A diagnostic and predictive study of the Indian Summer Monsoon rainfall variability
  • M.Tech. – 1986, Atmospheric Science, Indian Institute of Technology, Kharagpur
  • M.Sc.- 1984, Physics, Madurai University, India
  • B.Sc. – 1982, Physics, Madurai University, India

Research Interests

  • Diagnostic and Modeling aspects of the Asian Summer Monsoon system
  • Prediction and Predictability of the Asian Summer Monsoon system
  • Dynamical and Physical link between Monsoon-ENSO
  • Asian Summer Monsoon system and Tropospheric Biennial Oscillation
  • Predictability of the Tropical Climate system   

Click here to see a completed list of Dr. Annamalai’s publications.

Jia, Y., K. J. Richards, and H. Annamalai, 2021: The impact of vertical resolution in reducing biases in sea surface temperature in a tropical Pacific Ocean model. Ocean Modelling157, 101722, doi:10.1016/j.ocemod.2020.101722. IPRC-1487.

Annamalai, H., 2020: ENSO precipitation anomalies along the equatorial Pacific: Moist static energy framework diagnostics. J. Climate, , doi:10.1175/JCLI-D-19-0374.1. IPRC-1460.

Beal, L., J. Vilarad, M.K. Roxy, J. Li, M. Andres, H. Annamalai, et al., 2020: A roadmap to IndOOS-2: Better observations of the rapidly-warming Indian Ocean. Bull. Amer. Meteor. Soc., , doi:10.1175/BAMS-D-19-0209.1. IPRC-1450.

Hanf, F.S., and H. Annamalai, 2020: Systematic errors in South Asian monsoon precipitation: Process-based diagnostics and sensitivity to entrainment in NCAR models. J. Climate33 (7), 2817-2840, doi:10.1175/JCLI-D-18-0495.1. IPRC-1425.

Long, X., M.J. Widlansky, F. Schloesser, P. R. Thompson, H. Annamalai, M.A. Merrifield, and H. Yoon, 2020: Higher Sea Levels at Hawaii Caused by Strong El Niño and Weak Trade Winds. J. Climate33, 3037-3059, doi:10.1175/JCLI-D-19-0221.1. IPRC-1452.

Meehl, G.A., C. Shields, J.M. Arblaster, H. Annamalai, and R. Neale, 2020: Intraseasonal, seasonal, and interannual characteristics of regional monsoon simulations in CESM2. J. Adv. Model. Earth Sys.12 (6), e2019MS001962, doi:10.1029/2019MS001962. IPRC-1443.

Sperber, K.R., H. Annamalai, and G. Pallotta, 2020: CMIP5: a Monte Carlo assessment of changes in summertime precipitation characteristics under RCP8.5‑sensitivity to annual cycle fidelity, overconfidence, and gaussianity. Clim. Dyn.54, 1699-1727, doi:10.1007/s00382-019-05082-8. IPRC-1426.

Hermes, J.C., Y. Masumoto, L.M. Beal, M.K. Roxy, J. Vialard, M. Andres, H. Annamalai, et al., 2019: A Sustained Ocean Observing System in the Indian Ocean for Climate Related Scientific Knowledge and Societal Needs. Frontiers in Marine Science6, 43851, doi:10.3389/fmars.2019.00355. IPRC-1389.

Maloney, E., A. Gettelman, Y. Ming, J. D. Neelin, D. Barrie, A. Mariotti, C.-C. Chen, Yi-Hung Kuo, B. Singh, H. Annamalai, et al., 2019: A Framework for Process-Oriented Evaluation of Climate and Weather Forecasting Models. The NOAA MAPP Model Diagnostics Task Force: “Process-oriented evaluation of climate and weather forecasting models.” Bull. Amer. Meteor. Soc.100 (9), 1665-1686, doi:10.1175/BAMS-D-18-0042.1 . IPRC-1427.

Mohan, T.S., H. Annamalai, L. Marx, B. Huang, and J. Kinter, 2018: Representation of Ocean-Atmosphere Processes Associated with Extended Monsoon Episodes over South Asia in CFSv2. Front. Earth Sci.6, doi:10.3389/feart.2018.00009.

Nagura, M., J.P. McCreary, and H. Annamalai, 2018: Origins of Coupled Model Biases in the Arabian Sea Climatological State. J. Climate31 (5), 2005-2029, doi:10.1175/JCLI-D-17-0417.1. IPRC-1311.

Samiappan, S.., H. Annamalai, P. Venkataraman, H. Jan, and B. Narasimhan, 2018: Impact of regional climate model projected changes on rice yield over southern India. Int. J. Climatol.38 (6), 2838-2851, doi:10.1002/joc.5466.

Smitha, P.S., B. Narasimhan, K.P. Sudheer, and H. Annamalai, 2018: An improved bias correction method of daily rainfall data using a sliding window technique for climate change impact assessment. Journal of Hydrology556, 100-118, doi:10.1016/j.jhydrol.2017.11.010.

Storlazzi, C.D., S.B. Gingerich, A.V Dongeren, O.M. Cheriton, P. W. Swarzenski, E. Quataert, C.I. Voss, D.W. Field, H. Annamalai, G.A. Piniak, and R. McCall, 2018: Most atolls will be uninhabitable by the mid-21st century because of sea-level rise exacerbating wave-driven flooding. Sci. Adv.4 (4), eaap9741, doi:10.1126/sciadv.aap9741.

Widlansky, M.J., H. Annamalai, S.B. Gingerich, C.D. Storlazzi, J.J. Marra, K.I. Hodges, B. Choy, and A. Kitoh, 2018: Tropical cyclone projections: Changing climate threats for Pacific Island defense installations. Weather Climate and Society11 (1), 3-15, doi:10.1175/WCAS-D-17-0112.1.

Annamalai, H., B. Taguchi, J.P. McCreary, M. Nagura, and T. Miyama, 2017: Systematic Errors in South Asian Monsoon Simulation: Importance of Equatorial Indian Ocean Processes. J. Climate30 (19), 8159-8178, doi:10.1175/JCLI-D-16-0573.1. IPRC-1278.

Hanf, F.S., H. Annamalai, A. Rinke, and K. Dethloff, 2017: South Asian summer monsoon breaks: Process-based diagnostics in HIRHAM5. J. Geophys. Res.-Atmos.122 (9), 4880-4902, doi:10.1002/2016JD025967. IPRC-1249.

Ratnam, J.V., S.K. Behera, H. Annamalai, S.B. Ratna, M. Rajeevan, and T. Yamagata, 2016: ENSO’s far-reaching connection to Indian cold waves. Nature – Scientific Reports6, 37657, doi:10.1038/srep37657. IPRC-1220.

Annamalai, H., V. Keener, M.J. Widlansky, and J. Hafner, 2015: El Niño Strengthens in the Pacific: Preparing for the Impacts of Drought. AsiaPacific Issues, (122), 1‐10. IPRC-1162.

Annamalai, H., J. Hafner, A. Kumar, and H. Wang, 2014: A Framework for Dynamical Seasonal Prediction of Precipitation over the Pacific Islands. J. Climate27 (9), 3272-3297, doi:10.1175/JCLI-D-13-00379.1. IPRC-1041.

Cherchi, A., H. Annamalai, S. Masina, and A. Navarra, 2014: South Asian summer monsoon and the eastern Mediterranean climate: the monsoon-desert mechanism in CMIP5 simulations. J. Climate27 (18), 6877-6903, doi:10.1175/JCLI-D-13-00530.1. IPRC-1056.

Annamalai, H., J. Hafner, K.P. Sooraj, and P. Pillai, 2013: Global warming shifts the monsoon circulation, drying South Asia J. Climate26 (9), 2701-2718, doi:10.1175/JCLI-D-12-00208.1. IPRC-920.

Sperber, K.R., H. Annamalai, I.-S. Kang, A. Kitoh, A. Moise, A. Turner, B. Wang, and T. Zhou, 2013: The Asian Summer Monsoon: An Intercomparison of CMIP5 vs. CMIP3 Simulations of the Late 20th Century. Clim. Dyn.41 (9‐10), 2711-2744, doi:10.1007/s00382-012-1607-6. IPRC-932.

Turner, A., and H. Annamalai, 2012: Climate change and the South Asian monsoon. Nature Climate Change2, 587-595, doi:10.1038/nclimate1495. IPRC-869.

Ajayamohan, R.S., H. Annamalai, J.-J. Luo, J. Hafner, and T. Yamagata, 2011: Poleward Propagation of Boreal Summer Intraseasonal Oscillations in a Coupled Model: Role of Internal Processes. Clim. Dyn.37, 851-867, DOI: 10.1007/s00382-010-0839-6.

Annamalai, H., 2011: Modeling the Monsoons in a Changing Climate In E. Carayannis (Ed.), Planet Earth 2011 – Global Warming Challenges and Opportunities for Policy and Practice, InTech, ISBN 978-953-307-733-8, doi:10.5772/24041. IPRC-803.