Dr. Woosung Lee

Seasonal Forecasting Development Specialist

Current research and/or projects

Research, development and analysis in connection with Environment Canada's seasonal forecasting and global climate modelling activities

  • Prediction of future climate on time scales from a month to a decade

  • Development of improved models and methodologies for climate forecasting

  • Development of climate forecasting products and applications

  • Analysis of climate simulations and obsevvation data

Education and awards

  • B.Sc. Atmospheric Sci., Yonsei University, Seoul, Korea
  • M.Sc. Atmospheric Sci., Yonsei University, Seoul, Korea
  • Ph. D. Atmospheric Sci., Yonsei University, Seoul, Korea
  • Environment Canada Citation of Excellence for Teamwork, Partnering and Collaboration, 2013
  • NOAA Climate Prediction Center Certificate of Recognition (awarded to members of the North American Multi-Model Ensemble team), 2015

Key publications

  • Lin, H., W. J. Merryfield, R. Muncaster, G. C. Smith, M. Markovic, F. Dupont, F. Roy, J.-F. Lemieux, A. Dirkson, S. Kharin, W.-S. Lee, M. Charron, A. Erfani, 2020: The Canadian Seasonal to Interannual Prediction System Version 2 (CanSIPSv2). Weather and Forecasting, 35, 1317-1343, https://doi.org/10.1175/WAF-D-19-0259.1.

  • Morcrette, C. J., K. Van Weverberg, H.-Y. Ma, M. Ahlgrimm, E. Bazile, L. K. Berg, A. Cheng, F. Cheruy, J. Cole, R. Forbes, W. I. Gustafson Jr, M. Huang, W.-S. Lee, Y. Liu, L. Mellul, W. Merryfield, Y. Qian, R. Roehrig, Y.-C. Wang, S. Xie, C. Zhang, S. Klein, J. Petch, 2017: CAUSES: Near-surface temperature errors in NWP and climate model 5-day hindcasts near the Southern Great Plains. Journal of Geophysical Research - Atmospheres, 123, 2655-2683, doi:10.1002/2017JD027199.

  • Van Weverberg, K., C. J. Morcrette, J. Petch, S. A. Klein, H.-Y. Ma, C. Zhang, S. Xie, Q. Tang, W. I. Gustafson Jr, Y. Qian, L. K. Berg, Y. Liu, M. Huang, M. Ahlgrimm, R. Forbes, E. Bazile, R. Roehrig, J. Cole, W. Merryfield, W.-S. Lee, F. Cheruy, L. Mellul, Y.-C. Wang, K. Johnson, M. Khaiyer, 2017: CAUSES: Attribution of surface radiation biases in NWP and climate models near the U.S. Southern Great Plains. Journal of Geophysical Research - Atmospheres, 123, 3612-3644, doi:10.1002/2017JD027188.

  • Ambadan, J. T., A. A. Berg, W. J. Merryfield and W.-S. Lee, 2017: Influence of snowmelt on soil moisture and on near surface air temperature during the winter-spring transition season. Climate Dynamics, 51, 1295, doi:10.1007/s00382-017-3955-8.

  • Tompkins, A. M., M. I. Ortiz de Zárate, R. I. Saurral, C. Vera, C. Saulo, W. J. Merryfield, M. Sigmond, W.-S. Lee, J. Baehr, A. Braun, A. Butler, M. Déqué, F. J. Doblas-Reyes, M. Gordon, A. A. Scaife, Y. Imada, M. Ishii, T. Ose, B. Kirtman, A. Kumar, W. A. Müller, A. Pirani, T. Stockdale, M. Rixen and T. Yasuda, 2017: The Climate-system Historical Forecast Project: providing open access to seasonal forecast ensembles from centers around the globe. Bulletin of the American Meteorological Society, 98, 2293-2301, doi:10.1175/BAMS-D-16-0209.1.

  • Kharin, V. V., W. J. Merryfield, G. J. Boer, W.-S. Lee, 2017: A postprocessing method for seasonal forecasts using temporally and spatially smoothed statistics. Monthly Weather Review, 145, 3545-3561, doi:10.1175/MWR-D-16-0337.1.

  • Peterson, K. A., D. Notz, S. Tietsche, M. Chevallier, W. J. Merryfield, W.-S. Lee, V. Guemas, A. A. Scaife, 2016: The effects of sea ice initialization on multimodel seasonal forecasts. Climate Dynamics, submitted.

  • Merryfield, W. J., W.-S. Lee, W. Wang, M. Chen, and A. Kumar, 2013: Multi-system seasonal predictions of Arctic sea ice, Geophysical Research Letters, 40,1551-1556, doi:10.1002/grl.50317.

  • Merryfield, W. J., W.-S. Lee, G. J. Boer, V. V. Kharin, J. F. Scinocca, G. M. Flato, R. S. Ajayamohan, J. C. Fyfe, Y. Tang, and S. Polavarapu, 2013: The Canadian Seasonal to Interannual Prediction System. Part I: Models and Initialization, Monthly Weather Review, 141 , 2910-2945, doi:10.1175/MWR-D-12-00216.1.

  • Kharin, V. V., G. J. Boer, W. J. Merryfield, J. F. Scinocca, and W.-S. Lee, 2012: Statistical adjustment of decadal predictions in a changing climate. Geophysical Research Letters , 39 , L19705, doi:10.1029/2012GL052647.

  • Drewitt, G., A. A. Berg, W. J. Merryfield and W.-S. Lee, 2012: Effect of realistic soil moisture initialization on the Canadian CanCM3 seasonal forecast model. Atmosphere-Ocean, 50, 466-474. doi:10.1080/07055900.2012.722910.

  • Fyfe, J. C., W. J. Merryfield, V. Kharin, G.J. Boer, W.-S. Lee and K. von Salzen, 2011: Skillful predictions of decadal trends in global mean surface temperature. Geophysical Research Letters , 38, L22801, doi:10.1029/2011GL049508.

  • Koster, R. D., S. P. P. Mahanama,, T. J. Yamada, G. Balsamo, A. A. Berg, M. Boisserie, P. A. Dirmeyer, F. J. Doblas-Reyes, G. Drewitt, C. T. Gordon, Z. Guo, J.-H. Jeong, W.-S. Lee, Z. Li,, L. Luo, S. Malyshev, W. J. Merryfield, S. I. Seneviratne, T. Stanelle, B. J. J. M. van den Hurk, F. Vitart, and E. F. Wood, 2011: The second phase of the Global Land-Atmosphere Coupling Experiment: Soil moisture contributions to subseasonal forecast skill. Journal of Hydrometeorology, 12, 805-822. doi: 10.1175/2011JHM1365.1

  • Merryfield, W. J., W.-S. Lee, G. J. Boer, V. V. Kharin, B. Pal, J. F. Scinocca and G. M. Flato, 2010: The first Coupled Historical Forecasting Project (CHFP1). Atmosphere-Ocean, 48, 263-283.

  • Koster, R. D., S. P. P. Mahanama,, T. J. Yamada, G. Balsamo, A. A. Berg, M. Boisserie, P. A. Dirmeyer, F. J. Doblas-Reyes, G. Drewitt, C. T. Gordon, Z. Guo, J.-H. Jeong, D. M. Lawrence, W.-S. Lee, Z. Li, L. Luo, S. Malyshev, W. J. Merryfield, S. I. Seneviratne, T. Stanelle, B. J. J. M. van den Hurk, F. Vitart and E. F. Wood, 2010: Contribution of land surface initialization to subseasonal forecast skill: First results from a multi-model experiment. Geophysical Research Letters, 37, L02402. doi:10.1029/2009GL041677.

  • Noh, Yign, W.-S. Lee, 2008, Prediction of the mixed and mixing layer depths from an OGCM, J. Oceanogr., 64, 217-225.

  • Congwen Zhu, C.-K. Park, W.-S. Lee., and W.-T. Yun, 2008: Statistical Downscaling for Multi-Model Ensemble Prediction of Summer Monsoon Rainfall in the Asia-Pacific Region Using Geopotential Height Field, Advanced Atmos. Sci., 25(5), 867-884.

  • Lee, Woo-Sung, W.-T. Yun and C.-K. Park, 2005: Evaluation of APEC Climate Network (APCN) Multi-Model Ensemble Seasonal Prediction, Korean J. of the Atmos. Sci., 41(6), 1049-1065.

  • Won-Tae Yun, W.-S. Lee and T. N. Krishnamur, 2005: Seasonal Prediction of Precipitation using Multi-Model Synthetic Superensemble Algorithm, Korean J. of the Atmos. Sci., 41(2), 159-172.