Steven Greybush

Steven Greybush

  • Assistant Professor of Meteorology
  • Associate Director, Center for Advanced Data Assimilation and Predictability Techniques
  • Fellow of the Institute for CyberScience
618 Walker Building
University Park, PA 16802
Phone: (814) 867-4926


  1. Ph.D., Atmospheric and Oceanic Science, The University of Maryland
  2. M.S., Atmospheric and Oceanic Science, The University of Maryland
  3. B.S., Computer Science, The Pennsylvania State University
  4. B.S., Meteorology, The Pennsylvania State University

Research Specialties:

Numerical Weather Prediction:


Research Interests:

  • Data Assimilation
  • Numerical Weather Prediction
  • Weather and Climate of Mars
  • Atmospheric Modeling
  • Ensemble Forecasting
  • Predictability
  • Statistical and Artificial Intelligence Applications


Selected Publications:

Greybush, Steven J., E. Kalnay, M. J. Hoffman, and R. J. Wilson, 2013: Identifying Martian atmospheric instabilities and their physical origins using bred vectors. Q. J. R. Meteorol. Soc., 139, 639-653, doi: 10.1002/qj.1990. (link)

Greybush, Steven J., R. J. Wilson, R. N. Hoffman, M. J. Hoffman, T. Miyoshi, K. Ide, T. McConnochie, and E. Kalnay, 2012: Ensemble Kalman Filter Data Assimilation of Thermal Emission Spectrometer Temperature Retrievals into a Mars GCM. J. Geophys. Res., 117, E11008, doi: 10.1029/2012JE004097. (link)

Greybush, Steven J., E. Kalnay, T. Miyoshi, K. Ide, and B. Hunt, 2011: Balance and Ensemble Kalman Filter Localization Techniques. Mon. Wea. Rev., 139, 511-522. (link)

Greybush, Steven J., S. E. Haupt, and G. S. Young, 2008: The Regime Dependence of Optimally Weighted Ensemble Model Consensus Forecasts of Surface Temperature. Wea. Forecasting, 23, 1146-1161. (link)