Skip to Main Content U.S. Department of Energy
Marine Sciences Division

Karthik Balaguru

Karthik Balaguru

Marine Sciences Laboratory
Pacific Northwest National Laboratory
1529 West Sequim Bay Road
Sequim, Washington 98382

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


  • 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
  • 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


  • Balaguru K., D.R. Judi, and L. Leung. 2016. "Future hurricane storm surge risk for the U.S. gulf and Florida coasts based on projections of thermodynamic potential intensity." Climatic Change 138, no. 1:99-110. PNNL-SA-114029. doi:10.1007/s10584-016-1728-8
  • Balaguru K., G.R. Foltz, L. Leung, and K. Emanuel. 2016. "Global warming-induced upper-ocean freshening and the intensification of super typhoons." Nature Communications 7. PNNL-SA-116242. doi:10.1038/ncomms13670
  • Balaguru K., L. Leung, J. Lu, and G.R. Foltz. 2016. "A meridional dipole in pre-monsoon Bay of Bengal tropical cyclone activity induced by ENSO." Journal of Geophysical Research. D. (Atmospheres) 121, no. 12:6954-6968. PNNL-SA-113075. doi:10.1002/2016JD024936
  • Feng Z., L. Leung, S.M. Hagos, R.A. Houze, C.D. Burleyson, and K. Balaguru. 2016. "More frequent intense and long-lived storms dominate the springtime trend in central U.S. rainfall." Nature Communications 7. PNNL-SA-122022. doi:10.1038/ncomms13429
  • 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., G.R. Foltz, L. Leung, E. D'Asaro, K.A. Emanuel, H. Liu, and S.E. Zedler. 2015. "Dynamic Potential Intensity: An improved representation of the ocean's impact on tropical cyclones." Geophysical Research Letters 42, no. 16:6739-6746. PNNL-SA-112691. doi:10.1002/2015GL064822
  • Foltz G.R., K. Balaguru, and L.R. Leung. 2015. "A Reassessment of the Integrated Impact of Tropical Cyclones on Surface Chlorophyll in the Western Subtropical North Atlantic." Geophysical Research Letters 42, no. 4:1158-1164. PNNL-SA-105538. doi:10.1002/2015GL063222


  • Balaguru K., S. Taraphdar, L.R. Leung, and G.R. Foltz. 2014. "Increase in the Intensity of Postmonsoon Bay of Bengal Tropical Cyclones." Geophysical Research Letters 41, no. 10:3594-3601. PNNL-SA-101048. doi:10.1002/2014GL060197
  • Balaguru K., S. Taraphdar, L.R. Leung, G.R. Foltz, and J.A. Knaff. 2014. "Cyclone-cyclone Interactions through the Ocean Pathway." Geophysical Research Letters 41, no. 19:6855-6862. PNNL-SA-96628. doi:10.1002/2014GL061489


  • Balaguru K., L.R. Leung, and J. Yoon. 2013. "Oceanic Control of Northeast Pacific Hurricane Activity at Interannual Timescales." Environmental Research Letters 8, no. 4:Article No. 044009. PNNL-SA-92146. doi:10.1088/1748-9326/8/4/044009


  • 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
  • Balaguru K., P. Chang, R. Saravanan, L.R. Leung, Z. Xu, M. Li, and J. Hsieh. 2012. "Ocean Barrier Layers' Effect on Tropical Cyclone Intensification." Proceedings of the National Academy of Sciences of the United States of America 109, no. 36:14343-14347. PNNL-SA-82715. doi:10.1073/pnas.1201364109

Marine Sciences Laboratory

Research Areas

PNNL Websites



What's New

Salish Sea Model Website

MSL Weather Station

View Current Weather

Contact Us

Marine Sciences Laboratory
1529 W. Sequim Bay Road
Sequim, WA 98382
Phone: (360) 683-4151
Fax: (360) 681-3699