Dr. Paul Vaillancourt

Research Scientist - Atmospheric Numerical Prediction Research

Current research and/or projects

Research on physical processes important for numerical weather prediction from the local to the global scale, and for time scales ranging from minutes to seasons

  • Research for the development of the global NWP model for medium range forecasting
  • Research for the development of the regional NWP model for short range forecasting
  • Research on the parameterization of radiative transfer and interaction of radiation with gases, aerosols, clouds and the surface
  • Research on numerical modelling of cloud-radiation interaction in the Arctic during the International Polar Year (Tawepi project)

Professional activities / interests

Group leader for the global and regional NWP model development

Supervisor of one post-doctoral fellow in aerosol-radiation interaction, one post-doctoral fellow in the modelling of arctic clouds-radiation interaction, and one master student in regional climate modelling (UQAM)

Adjunct professor, Dépt. des Sciences de la Terre et de l'Atmosphère, UQÀM

Education and awards

Ph.D. Atmospheric and Oceanic Sciences, McGill University, 1998

M.Sc. Atmospheric and Oceanic Sciences, McGill University, 1992

B.Sc. Physics, Université de Montréal, 1989

Key publications

Markovic, M., C. Jones, P.A. Vaillancourt, D. Paquin and D. Paquin-Ricard. 2007. An Evaluation of the Surface Radiation Budget Over North America for a Suite of Regional Climate Models and Reanalysis Data, Part 1: Comparison to Surface Stations Observations. Climate Dynamics. (Accepted).

Bélair, S., S. Laroche, M. Roch, A-M Leduc, P.A. Vaillancourt, et al. 2007. Operational Implementation of a 33-km Version of GEM for global Medium-Range Weather Prediction at CMC. CMOS Bulletin. 35(3):77-84.

Franklin, C., P.A. Vaillancourt and M.K. Yau. 2007. Statistics and Parameterizations of the Effect of Turbulence on the Geometric Collision Kernel of Cloud Droplets. Journal of the Atmospheric Sciences. 64(3):938–954.

Mailhot J., S. Bélair, L. Lefaivre, B. Bilodeau, M. Desgagné, C. Girard, A. Glazer, A.-M. Leduc, A. Méthot, A. Patoine, A. Plante, A. Rahill, T. Robinson, D. Talbot, A. Tremblay, P.A. Vaillancourt and A. Zadra. 2006. The 15-km version of the Canadian regional forecast system. Atmosphere-Ocean. 44:133-149.

Vaillancourt, P.A., A. Tremblay, S.G. Cober and G.A. Isaac. 2003. Comparison of aircraft observations with mixed-phase clouds simulations. Mon. Wea. Rev. 131(4):656-671.

Vaillancourt, P.A., M.K. Yau, P. Bartello and W.W. Grabowski. 2002. Microscopic approach to cloud droplet growth by condensation. Part II: Turbulence, clustering and condensational growth. Journal of Atmospheric Sciences. 59(24):3421-3435.

Research facility

2121, route Transcanadienne
Dorval, QC H9P 1J3


Affiliated member - Regional level climate simulation studies centre, Université du Québec à Montréal