Robert “Race” A. Clark III

Research Scientist
Cooperative Institute for Mesoscale Meteorological Studies (CIMMS)
Storm Prediction Center (SPC)

National Weather Center (NWC)
120 David L. Boren Blvd
Norman OK 73072
race dot clark at ou dot edu
robert dot a dot clark at noaa dot gov


  • Ph.D. (meteorology), The University of Oklahoma, 2016
    • Ph.D. Dissertation title: Machine Learning Predictions of Flash Floods
  • M.S. Meteorology, The University of Oklahoma, 2012
    • M.S. Thesis title: Evaluation of Flash Flood Guidance in the United States
  • B.S. Chemical Engineering, Oklahoma State University, 2010

Research Interests

  • Project IMPACTS
    • Integrated Machine-based Predictive Analytics for Convective Threats to Society
    • Right now I’m working on predicting the impacts of tornadoes before they occur to enable the emergency management community to better anticipate disasters
  • Pre-Flash Flood Atmospheric Environments
  • Machine Learning and Data Mining
  • International Capacity Building and Distributed Hydrologic Model Training
  • Assessment/Validation of Flash Flood Forecasts
  • Operational Flash Flood Forecasting Practices
  • Flash Flood Guidance



Conference Presentations and Posters

In-Progress Publications

  • Clark III, R., Z. Flamig, H. Vergara, Y. Hong, J. Gourley, D. Mandl, S. Frye, M. Handy, and M. Patterson, 2016: Hydrological Modeling and Capacity Building in the Republic of Namibia. Submitted to BAMS (in review).


  • National Weather Center tour guide, 2010-Present
  • OU Graduate College Student Ambassador, 2011-Present
  • OU SoM Senior Capstone Project Mentor, 2013-2014
    • With fellow graduate students Z. Flamig and E. Argyle, mentored three senior OU meteorology students on their project “The Effects of Broadcast Graphics in Severe Weather Decision Making”
  • OU SoM Student Advisory Council (SAC), Vice-Chair, 2013-2014
  • OU SoM SAC, Ph.D. Representative, 2012-2013
  • OU Graduate Student Senate (GSS), Vice-Chair, 2012-2013
  • OU GSS, Member, 2010-2012


  • International travel
  • Severe weather
  • Sports (college basketball, college football, and the Oklahoma City Thunder)
  • Running
  • Cooking
  • Python and C#


9Hydrologic modeling"Yami, T. L., Gao, S., Chen, M., Li, Z., Vergara, H., Clark, R. R., ... & Hong, Y.", 2021: CREST/EF5 capacity building to enhance resilience to hydrodynamic disasters in emerging regions. African Journal of Environmental Science and Technology, 15 (6), 230-242.2021
8Flash floodGourley, J. J., H. Vergara, A. Arthur, R. A. Clark III, D. Staley, J. Fulton, L. Hempel, D. C. Goodrich, K. Rowden, and P. R. Robichaud, 2020: ”Predicting the Floods that Follow the Flames". Bull. Amer. Meteor. Soc, 101, E1101–E1106. doi: 10.1175/BAMS-D-20-0040.1.2020
7Flash floodMartinaitis, S. M., B. Albright, J. J. Gourley, S. Perfater, T. Meyer, Z. L. Flamig, R. A. Clark III, H. Vergara, and M. Klein, 2020: The 23 June 2016 West Virginia flash flood event as observed through two Hydrometeorology Testbed Experiments. Wea. Forecasting, 35, 2099-2126. doi: 10.1175/WAF-D-20-0016.1.2020
6HydrologyHasan, E., A. Tarhule, P.E. Kirstetter, R. Clark, and Y. Hong, 2018: Runoff sensitivity to climate change in the Nile River Basin. Journal of Hydrology, 561, 312-321. doi: 10.1016/j.jhydrol.2018.04.004.2018
5FloodGourley, J., Z. Flamig, H. Vergara, P. Kirstetter, R. Clark, E. Argyle, A. Arthur, S. Martinaitis, G. Terti, J. Erlingis, Y. Hong, and K. Howard, 2016: The Flooded Locations And Simulated Hydrographs (FLASH) project: improving the tools for flash flood monitoring and prediction across the United States. . Bull. Amer. Meteor. Soc.,. doi: 10.1175/BAMS-D-15-00247.1.2016
4Hydrological ModelingClark, R., Z. Flamig, H. Vergara, Y. Hong, J. Gourley, D. Mandl, S. Frye, M. Handy, and M. Patterson, 2016: Hydrological Modeling and Capacity Building in the Republic of Namibia. Bulletin of the American Meteorological Society. doi: 10.1175/BAMS-D-15-00130.1.2016
3Flash Flood GuidanceClark III, R., J. Gourley, Z. Flamig, Y. Hong, and E. Clark, 2014: CONUS-wide Evaluation of National Weather Service Flash Flood Guidance Products. Weather and Forecasting, 29, 377-392. doi: 10.1175/WAF-D-12-00124.1. PDF.2014
2Natural Hazards, FloodGourley, J. J., Y. Hong, Z. L. Flamig, A. Arthur, R. A. Clark, M. Calianno, I. Ruin, T. Ortel, M. E. Wieczorek, E. Clark, P.-E. Kirstetter, and W. F. Krajewski, 2013: A Unified Flash Flood Database over the US. Bulletin of the American Meteorological Society, 94 (6), 799–805. doi: 10.1175/BAMS-D-12-00198.1. PDF.2013
1ForecastsMarsh, Patrick T., John S. Kain, Valliappa Lakshmanan, Adam J. Clark, Nathan M. Hitchens, Jill Hardy, 2012: A Method for Calibrating Deterministic Forecasts of Rare Events. Wea. Forecasting (27), 531–538. doi: 10.1175/WAF-D-11-00074.1. PDF.2012