Contact George A. Isaac:

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Adjunct Professor, Department of Earth and Space Science Engineering, York University, Toronto, Ontario


B.Sc. (Hons.) Meteorology, McGill University, 1968

Ph.D. Meteorology, McGill University, 1972

2008 Patterson Distinguished Service Medal of the Meteorological Service of Canada

2011 Elected Fellow of the American Meteorological Society

Received a series of awards from Environment Canada, Transport Canada and NASA in recognition of national and international leadership in advancing knowledge and applications in the field of aircraft icing.

President, International Commission on Clouds and Precipitation (ICCP) of International Association of Meteorology and Atmospheric Sciences (IAMAS) of the IUGG (from 1996-2004)


George A. Isaac

Senior Scientist - Cloud Physics and Severe Weather Research

CURRENT S&T / RESEARCH - Research on nowcasting, aircraft icing, cloud parameterization in numerical models, aerosol/cloud interactions, clouds and climate, and general cloud microphysics topics

  • Lead Aviation Research Group, Cloud Physics and Severe Weather Research Section, Science and Technology Branch
  • EC Lead Scientist for aircraft icing research
  • Principle Investigator for Canadian Airport Nowcasting (CAN-Now) project
  • Principle Investigator for Science and Nowcasting Olympic Weather for Vancouver 2010 (SNOW-V10) which is a World Weather Research Programme project on Nowcasting
  • Investigating cloud microphysical processes and their importance to weather and climate forecasting


Published over 120 papers in referred journals and over 135 conference reports


Isaac, G.A., P. Joe, J. Mailhot, M. Bailey, S. Bélair, F.S. Boudala, M. Brugman, E. Campos, R.L.Carpenter Jr., R.W.Crawford, S.G. Cober, B. Denis, C. Doyle, H.D. Reeves, I.Gultepe, T. Haiden, I. Heckman, L.X. Huang, J.A. Milbrandt, R. Mo, R.M. Rasmussen, T. Smith, R.E. Stewart, D. Wang and L.J. Wilson, 2012b: Science of Nowcasting Olympic Weather for Vancouver 2010 (SNOW-10): A World Weather Research Programme project. In Press to Pure and Applied Geophysics. (DOI: 10.1007/s00024-012-0579-0).

Isaac, G. A., M, Bailey, F. Boudala, S. G. Cober, R. Crawford, N. Donaldson, I. Gultepe, B. Hansen, I. Heckman, L. Huang, A. Ling, J. Mailhot, J. Milbrandt, J. Reid, and M. Fournier, 2012: The Canadian airport nowcasting system (CAN-Now). Accepted to Meteorological Applications. DOI: 10.1002/met.1342.

Boudala, F.S., G.A. Isaac, R. Crawford, and J. Reid, 2012: Parameterization of runway visual range as a function of visibility: Implications for numerical weather prediction models. J. Amos. Oceanic Tech., 29, 177-191.

Huang, L.X., G. A. Isaac, and G. Sheng, 2012: Integrating NWP Forecasts and Observation Data to Improve Nowcasting Accuracy. Weather and Forecasting, 27, 938-953.

Bailey, M.E., G.A. Isaac, I. Gultepe, I. Heckman and J. Reid, 2012: Adaptive Blending of Model and Observations for Automated Short Range Forecasting: Examples from the Vancouver 2010 Olympic and Paralympic Winter Games. In Press to Pure and Applied Geophysics. DOI 10.1007/s00024-012-0553-x.

Cober, S.G., and G. A. Isaac, 2012: Characterization of Aircraft Icing Environments with Supercooled Large Drops for Application to Commercial Aircraft Certification. Journal of Applied Meteorology and Climatology, 51, 265-284.

Isaac, G.A. and K.S. Schmidt. 2009. Cloud properties from in-situ and remote-sensing measurements. Capability and limitations. Chapter 4 in Clouds in the Perturbed Climate System, Edited by J. Heintzenberg and R.J. Charlson, MIT Press, ISBN 978-0-262-01287-4, p. 73-106.

Expertise Categories associated with this S&T Expert:

     Air Pollution & Quality
          Atmospheric transport
          Precipitation Processes and Measurement
          Snow Processes and Measurement
Weather & Meteorology
     Atmospheric Modelling
          Cloud physics
     Cloud physics
          Aerosol-cloud interactions
          Cloud modelling
          Cloud processes
          Radiative transfer
          Remote sensing
     Severe Weather
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