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 Aerosols And Clouds (329J): People
Xianan  Jiang's Picture
Jet Propulsion Laboratory
M/S 233-300
4800 Oak Grove Drive
Pasadena, CA 91109
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Curriculum Vitae:

Xianan Jiang

My research interests lie in the fields of climate dynamics, tropical meteorology, and climate modeling. Much of my work focuses on understanding the fundamental dynamics and physics governing atmospheric variability on various temporal and spatial scales, through observational analysis, theoretical and numerical modeling.

  • Ph.D. (Meteorology), University of Hawaii at Manoa, Honolulu, USA (2004)
  • M.S. (Meteorology), Chinese Academy of Meteorological Sciences, Beijing, China (1996)
  • B.S. (Meteorology), Nanjing University of Information and Technology, Nanjing, China (1993)

Research Interests
  • Climate dynamics
  • Tropical meteorology
  • Large-scale atmosphere and ocean modeling


JIFRESSE is a scientific collaboration between UCLA and JPL to improve understanding and to develop future projections about global climate change.

Professional Experience
  • Assistant/Associate/Full Researcher, Joint Institute for Regional Earth System Science and Engineering, University of California, Los Angeles (2008 - present)
  • Research Associate, Jet Propulsion Laboratory, California Institute of Technology (2006 - 2008)
  • Postdoctoral Visiting Scientist, Program in Atmospheric and Oceanic Sciences, Princeton University (2004 - 2006)
  • Graduate Research Assistant and Postdoctoral Fellow, Department of Meteorology and International Pacific Research Center, University of Hawaii at Manoa (1999 - 2004)

Community Service
  • Editor, Dynamics of Atmospheres and Oceans, 2016-present.
  • Principal Investigator, a Climate Process Team for "Understanding Madden-Julian Oscillation Initiation and Propagation", sponsored by the NOAA Climate Project Office Climate Variability and Predictability (CVP) program.
  • Co-organizer, the Global Multi-Model Evaluation Project on Vertical Structure and Diabatic Processes of the MJO, a joint research activity by the WCRP-WWRP/THORPEX MJO Task Force / Year of Tropical Convection (YOTC) and the GEWEX Atmospheric System Study (GASS).

Selected Awards
  • Visiting Scientist Scholarship, Program in Atmospheric and Oceanic Sciences, Princeton University, July 2004

Selected Publications
  1. Gonzalez, A. and X. Jiang, 2017: Winter Mean Lower-Tropospheric Moisture over the Maritime Continent as a Climate Model Diagnostic Metric for the Propagation of the Madden-Julian Oscillation. Geophys. Res. Lett., 44, doi:10.1002/2016GL072430.
  2. Jiang X., 2017: Key processes for the eastward propagation of the Madden-Julian Oscillation based on multi-model simulations. Journal of Geophysical Research - Atmosphere, 122, doi:10.1002/2016JD025955.
  3. Jiang X., M. Zhao, E. Maloney, and D. E. Waliser, 2016: Convective Moisture Adjustment Time-scale as a Key Factor in Regulating Model Amplitude of the Madden-Julian Oscillation, Geophys. Res. Lett., 43, doi:10.1002/2016GL070898.
  4. Tao, W.-K., Y. N. Takayabu, S. Lang, S. Shige, W. Olson, A.Hou, X. Jiang, C. Zhang, W. Lau, T. Krishnamurti, D. Waliser, M. Grecu, P. E. Ciesielski, R. H. Johnson, R. Houze, R. Kakar, K. Nakamura, S. Braun, S. Hagos, R. Oki, and A. Bhardwaj, 2016: TRMM Latent Heating Retrieval and Comparisons with Field Campaigns and Large-Scale Analyses, Meteorological Monographs, 56, doi:10.1175/AMSMONOGRAPHS-D-15-0013.1, 2.1-2.34.
  5. Neena, J. M., D. E. Waliser, and X. Jiang, 2016: Model performance metrics and process diagnostics for boreal summer intraseasonal variability, Climate Dynamics, doi:10.1007/s00382-016-3166-8.
  6. Zhao, H.-K., X. Jiang, and L. Wu, 2016: Boreal summer synoptic-scale waves over the western North Pacific in multi-model simulations, J. Climate, doi:10.1175/JCLI-D-15-0696.
  7. Oh, J.-H., X. Jiang, D. Waliser, M. Moncrieff, R. Johnson, and Paul Ciesielski, 2015: A Momentum Budget Analysis of Westerly Wind Events Associated with the Madden-Julian Oscillation during DYNAMO, J. Atmos. Sci., 72, 3780-3799.
  8. Xiang, B., M. Zhao, X. Jiang, S.-J. Lin, T. Li, X. Fu, and G. Vecchi, 2015: 3-4 week MJO prediction skill in a GFDL Coupled Model, J. Climate, 28, 5351-5364.
  9. Klingaman, N. P., X. Jiang, P. K. Xavier, J. Petch, D. Waliser, and S. J. Woolnough, 2015: Vertical structure and diabatic processes of the Madden-Julian Oscillation: Synthesis and summary, Journal of Geophysical Research - Atmosphere, 120, DOI: 10.1002/2015JD023196, 4671-4689.
  10. Xiang, B., S.-J. Lin, M. Zhao, S. Zhang, G. Vecchi, T. Li, X. Jiang, Lucas Harris, J.-H. Chen, 2015: Beyond weather time scale prediction for Hurricane Sandy and Super Typhoon Haiyan in a global climate model, Monthly Weather Review, 143, 524-535.
  11. Guo, Y, D. E. Waliser, and X. Jiang, 2015: A Systematic Relationship between Activity of Convectively Coupled Equatorial Waves and the Madden-Julian Oscillation in Climate Model Simulations, Journal of Climate, 28, 1881-1904.
  12. Jiang, X., D. E. Waliser, P. K. Xavier, J. Petch, N. P. Klingaman, S. J. Woolnough, Bin Guan, Gilles Bellon, T. Crueger, Charlotte DeMott, C. Hannay, H. Lin, W. Hu, D. Kim, C.-L. Lappen, M.-M. Lu, H.-Y. Ma, T. Miyakawa, J. A. Ridout, S. D. Schubert, J. Scinocca, K.-H. Seo, E. Shindo, X. Song, C. Stan, W.-L. Tseng, W. Wang, T. Wu, X. Wu, K. Wyser, G. J. Zhang, and H. Zhu, 2015: Vertical structure and diabatic processes of the Madden-Julian Oscillation: Exploring Key Model Physics in Cimate Simulations, Journal of Geophysical Research - Atmosphere, 120, DOI:10.1002/2014JD022375, 4718-4748.
  13. Xavier, P. K., J. C. Petch, N. P. Klingaman, S. J. Woolnough, X. Jiang, D. E. Waliser, M. Caian, S. M. Hagos, C. Hannay, D. Kim, J. Cole, T. Miyakawa, M. Pritchard, R. Roehrig, E. Shindo, F. Vitart, and H. Wang, 2015: Vertical structure and diabatic processes of the Madden-Julian Oscillation: Biases and uncertainties at short range, Journal of Geophysical Research - Atmosphere, 120, DOI:10.1002/2014JD022718, 4749-4763.
  14. Klingaman, N. P., S. J. Woolnough, X. Jiang, D. Waliser, P. K. Xavier, J. Petch, M. Caian, C. Hannay, D. Kim, H.-Y. Ma, W. J. Merryfield, T. Miyakawa, M. Pritchard, J. A. Ridout, R. Roehrig, E. Shindo, F. Vitart, H. Wang, N. R. Cavanaugh, B. E. Mapes, A. Shelly, and G. Zhang, 2015: Vertical structure and diabatic processes of the Madden-Julian Oscillation: Linking hindcast fidelity to simulated diabatic heating and moistening, Journal of Geophysical Research - Atmosphere, 120, DOI:10.1002/2014JD022718, 4749-4763.
  15. Oh, J.-H., X. Jiang, D. Waliser, M. Moncrieff, and R. Johnson, 2015: Convective Momentum Tranport associated with the Madden-Julian Oscillation Based on a Reanalysis Dataset, J. Climate, 28, 5763-5782.
  16. Mani, J. N., X. Jiang, D. E. Wailiser, J.-Y. Lee, and B. Wang, 2014: Eastern Pacific Intraseasonal Variability: A predictability perspective, J. Climate, 27, 8869-8883.
  17. Serra, Y. L., X. Jiang, B. Tian, J. Astua, E. D. Maloney, G. N. Kiladis, 2014: Tropical Intra-seasonal Oscillations and Synoptic Variability, Annual Review of Environment and Resources, 39, 189-215.
  18. Jiang, X., T. Kubar, S. Wong, W. S. Olson, and D. E. Waliser, 2014: Modulation of Marine Low Clouds Associated with the Tropical Intraseasonal Variability over the Eastern Pacific, J. Climate, 27, 5560-5574.
  19. Mani, J. N., J.-Y. Lee, D. E. Wailiser, B. Wang, and X. Jiang, 2014: Predictability of the Madden-Julian Oscillation in the Intraseasonal Variability Hindcast Experiment (ISVHE), J. Climate, 27, 4531-4543.
  20. Guo, Y, X. Jiang, and D. E. Waliser, 2014: Modulation of the Convectively Coupled Kelvin Waves over South American and the tropical Atlantic Ocean by the Madden-Julian Oscillation, J. Atmos. Sci., 71, 1371-1288.
  21. Jiang, X., E. Maloney, J.-L. Li, and D. E. Waliser, 2013: Simulations of the Eastern Pacific Intraseasonal Variability in CMIP5 GCMs, J. Climate,26, 3489-3510.
  22. Jiang, X., M. Zhao, and D. E. Waliser, 2012: Modulation of tropical cyclone activity by the tropical intraseasonal oscillation over the Eastern Pacific in a high resolution GCM, Journal of Climate, 25, 6524-6538.
  23. Jiang, X., D. E. Waliser, D. Kim, M. Zhao, K. R. Sperber, W. Stern, S. D. Schubert, G. J. Zhang, W. Wang, M. Khairoutdinov, R. Neale, and M.-I., Lee, 2011: Simulation of the intraseasonal oscillation over the Eastern Pacific ITCZ in climate models, Climate Dynamics, doi: 10.1007/s00382-011-1098-x.
  24. Jiang, X., D. E. Waliser, W. S. Olson, W.-K. Tao, T. S. L'Ecuyer, S. Shige, K.-F. Li, Y. L. Yung, S. Lang, and Y. N. Takayabu, 2011: Vertical diabatic heating structure of the MJO: Intercomparison between recent reanalyses and TRMM estimates, Mon. Wea. Rev., 139, 3208-3223.
  25. Jiang, X., D. E. Waliser, J.-L Li, and C. Woods, 2011: Vertical structures of cloud water associated with the boreal summer intraseasonal oscillation based on CloudSat observations and ERA-Interim reanalysis, Climate Dynamics,doi: 10.1007/s00382-010-0853-8.
  26. Jiang, X., and D. E. Waliser, 2009: Two dominant subseasonal variability modes of the eastern Pacific ITCZ, Geophys. Res. Lett., 36, L04704, doi:10.1029/2008GL036820.
  27. Jiang, X., and D. E. Waliser, 2008: Northward propagation of the subseasonal variability over the Eastern Pacific Warm Pool. Geophys. Res. Lett., 35, L09814, doi:10.1029/2008GL033723.
  28. Jiang, X., D. E. Waliser, M. Wheeler, C. Jones, M.-I. Lee, and S. Schubert, 2008: Assessing the skill of an all-season statistical forecast model for the Madden-Julian Oscillation. Mon. Wea. Rev., 136, 1940-1956.
  29. Jiang, X., and N.-C. Lau, 2008: Intraseasonal teleconnection between the North American and western North Pacific Monsoons with a 20-day time scale. J. Climate, 21, 2664-2679.
  30. Jiang, X., N.-C. Lau, I. M. Held and J. J. Ploshay, 2007: Mechanisms of the Great-Plains low-level jet as simulated in an AGCM. J. Atmos. Sci., 64, 532-547.
  31. Jiang, X., N.-C. Lau, and S. A. Klein, 2006: Role of the eastward propagating convective episodes on the diurnal cycle and seasonal mean of the summertime rainfall over the U.S. Great-Plains. Geophys. Res. Lett., 33, L19809, doi:10.1029/ 2006GL027022.
  32. Jiang, X. and T. Li, 2005: Reinitiation of the boreal summer intraseasonal oscillation in the tropical Indian Ocean. J. Climate, 18, 3777-3795.
  33. Jiang, X., T. Li and B. Wang, 2004: Structures and mechanisms of the northward propagating boreal summer intraseasonal oscillation. J. Climate, 17, 1022-1039.

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