Skip to Main Content U.S. Department of Energy
Energy and Environment Directorate

Karthik Balaguru

Karthik Balaguru

(206) 528-3364

Research Interests

  • Role of upper-ocean dynamics in climate variability
  • Air-sea interaction
  • Tropical Cyclones and climate

Education and Credentials

  • Bachelor and Master of Technology (Ocean Engineering): Indian Institute of Technology - Madras (2006)
  • Doctor of Philosophy (Oceanography): Texas A&M University (2011)

PNNL Publications


  • Balaguru K., C. Patricola, S.M. Hagos, L. Leung, and L. Dong. 2020. "Enhanced predictability of Eastern North Pacific Tropical cyclone activity using the ENSO Longitude Index." Geophysical Research Letters 47, no. 16:Article No. e2020GL088849. PNNL-SA-153159. doi:10.1029/2020GL088849
  • Balaguru K., G.R. Foltz, L. Leung, J. Kaplan, W. Xu, N. Reul, and B. Chapron. 2020. "Pronounced Impact of Salinity on Rapidly Intensifying Tropical Cyclones." Bulletin of the American Meteorological Society 101, no. 9:E1497-E1511. PNNL-SA-141071. doi:10.1175/BAMS-D-19-0303.1
  • Balaguru K., L. Leung, L. Van Roekel, J. Golaz, P. Ullrich, P.M. Caldwell, and S.M. Hagos, et al. 2020. "Characterizing Tropical Cyclones in the Energy Exascale Earth System Model version 1." Journal of Advances in Modeling Earth Systems 12, no. 8:Article No. e2019MS002024. PNNL-SA-150203. doi:10.1029/2019MS002024
  • Hagos S.M., C. Zhang, L. Leung, O.A. Garuba, C.D. Burleyson, and K. Balaguru. 2020. "Impacts of insolation and soil moisture on the seasonality of interactions between the Madden-Julian Oscillation and Maritime Continent." Journal of Geophysical Research: Atmospheres 125, no. 13:Article No. e2020JD032382. PNNL-SA-150515. doi:10.1029/2020JD032382


  • Caldwell P.M., A. Mametjanov, Q. Tang, L. Van Roekel, J. Golaz, W. Lin, and D. Bader, et al. 2019. "The DOE E3SM Coupled Model Version 1: Description and Results at High Resolution." Journal of Advances in Modeling Earth Systems 11, no. 12:4095- 4146. PNNL-SA-147364. doi:10.1029/2019MS001870
  • Fan K., X. Wang, G.R. Foltz, and K. Balaguru. 2019. "Meridional oscillation in genesis location of tropical cyclones in the postmonsoon Bay of Bengal." Climate Dynamics 53, no. 3-4:2103-2118. PNNL-SA-144628. doi:10.1007/s00382-019-04794-1
  • Hagos S.M., C. Zhang, L. Leung, C.D. Burleyson, and K. Balaguru. 2019. "A zonal migration of monsoon moisture flux convergence and the strength of Madden-Julian Oscillation Events." Geophysical Research Letters 46, no. 14:8554-8562. PNNL-SA-143132. doi:10.1029/2019GL083468
  • Hagos S.M., L. Leung, M. Ashfaq, and K. Balaguru. 2019. "South Asian Monsoon Precipitation in CMIP5: A link between Inter-model spread and the representations of Tropical Convection." Climate Dynamics 52, no. 1-2:1049-1061. PNNL-SA-122642. doi:10.1007/s00382-018-4177-4
  • Khangaonkar T.P., A. Nugraha, W. Xu, and K. Balaguru. 2019. "Salish Sea Response to Global Climate Change, Sea Level Rise, and Future Nutrient Loads." Journal of Geophysical Research. C. (Oceans) 124, no. 6:3876-3904. PNNL-SA-143747. doi:10.1029/2018JC014670


  • Balaguru K., G. Foltz, L. Leung, S.M. Hagos, and D.R. Judi. 2018. "On the use of ocean dynamic temperature for hurricane intensity forecasting." Weather and Forecasting 33, no. 2:411-418. PNNL-SA-129386. doi:10.1175/WAF-D-17-0143.1
  • Balaguru K., G.R. Foltz, and L. Leung. 2018. "Increasing magnitude of hurricane rapid intensification in the central and eastern tropical Atlantic." Geophysical Research Letters 45, no. 9:4238-4247. PNNL-SA-133854. doi:10.1029/2018GL077597
  • Balaguru K., S. Doney, L. Bianucci, P.J. Rasch, L. Leung, J. Yoon, and I.D. Lima. 2018. "Linking deep convection and phytoplankton blooms in the northern Labrador Sea in a changing climate." PLoS One 13, no. 1:Article No. e0191509. PNNL-SA-131791. doi:10.1371/journal.pone.0191509
  • Foltz G., K. Balaguru, and S.M. Hagos. 2018. "Interbasin Differences in the Relationship Between SST and Tropical Cyclone Intensification." Monthly Weather Review 146, no. 3:853-870. PNNL-SA-126415. doi:10.1175/MWR-D-17-0155.1
  • Kelly P.J., L. Leung, K. Balaguru, W. Xu, B. Mapes, and B.J. Soden. 2018. "Shape of Atlantic tropical cyclone tracks and the Indian monsoon." Geophysical Research Letters 45, no. 19:10746-10755. PNNL-SA-137428. doi:10.1029/2018GL080098


  • Foltz G.R., and K. Balaguru. 2016. "Prolonged El Niņo conditions in 2014-15 and the rapid intensification of Hurricane Patricia in the eastern Pacific." Geophysical Research Letters 43, no. 19:10,347-10,355. PNNL-SA-119082. doi:10.1002/2016GL070274


  • Balaguru K., P. Chang, R. Saravanan, and C.J. Jang. 2012. "The Barrier Layer of the Atlantic Warmpool: Formation Mechanism and Influence on the Mean Climate." Tellus Series A. Dynamic Meteorology and Oceanography 64. PNNL-SA-82119. doi:10.3402/tellusa.v64i0.18162

Energy and Environment

Core Research Areas