Jossy Purayidathil Jacob

Jossy Purayidathil Jacob

  • SENIOR ANALYST
  • 301.614.5647
  • NASA/GSFC
  • Mail Code: 617
  • Greenbelt , MD 20771
  • Employer: SCIENCE SYSTEMS AND APPLICATIONS INC
  • Brief Bio

    Jossy Jacob graduated from University of Miami with a M.S. in Meteorology and Physical Oceanography. Jossy has worked with multiple general circulation models GEOS-5, NUWRF, LIS, Poseidon, MOM and MICOM. Her expertise is in model development, testing, development of analysis tools for system testing and evaluation. She manages FEWSNET routine runs for Land Information System group and developed multiple web sites. Jossy is experienced with Ocean in-situ data, Satellite data processing for ocean data assimilation and various other validation studies.

    Education

    • M. S., Meteorology and Physical Oceanography, Rosenstiel School of Marine and Atmospheric Sciences, University of Miami, Miami, Florida. Advisor: Eric Chassignet.
    • M. Sc., Civil Engineering, Queens University of Belfast, U.K.
    • B. Tech., Civil Engineering, Regional Engineering College, Calicut, India.

    Awards

    • Outstanding Performance Award, Hydrosphere, Biosphere and Geophysics, GSFC/NASA 2017
    • Outstanding Performance Award, GMAO, GSFC/NASA, 2012
    • Dean’s prize for the best Master’s thesis, Rosenstiel School of Marine and Atmospheric Sciences, University of Miami, 1997

    Positions/Employment

    1/2018 - Present

    Chief Scientific Programmer/ Analyst

    SSAI, GSFC/ NASA
    10/2015 - 12/2017

    Lead Scientific Programmer/ Analyst

    SSAI, GSFC/ NASA
    6/2002 - 9/2015

    Senior Scientific Programmer/ Analyst

    SSAI, GSFC/ NASA
    5/1997 - 6/2002

    Research Associate

    University of Miami, Rosentiel School of Marine and Atmospheric Sciences, Meteorology and Physical Oceanography division, Miami, Florida  

    Selected Publications

    Refereed

    Keppenne, C. L., M. M. Rienecker, J. P. Jacob, and R. M. Kovach. 2008. "Error Covariance Modeling in the GMAO Ocean Ensemble Kalman Filter." Mon. Wea. Rev., 136 (8): 2964-2982 [10.1175/2007MWR2243.1]

    Sun, C., M. M. Rienecker, A. Rosati, et al. M. Harrison, A. Wittenberg, C. L. Keppenne, J. P. Jacob, and R. M. Kovach. 2007. "Comparison and Sensitivity of ODASI Ocean Analyses in the Tropical Pacific." Mon. Wea. Rev., 135 (6): 2242-2264 [10.1175/MWR3405.1]

    Jacob, J. P., E. P. Chassignet, and W. K. Dewar. 2002. "Influence of Topography on the Propagation of Isolated Eddies." Journal of Physical Oceanography, 32 (10): 2848–2869 [10.1175/1520-0485(2002)032<2848:IOTOTP>2.0.CO;2]

    Mathew, J. P., and R. Mahadevan. 1996. "Numerical Simulation of Open Coast Surges. Part II: Experiments with Storm Parameters and Shelf Geometry." Journal of Coastal Research, 12 (10): 123-132.

    Mathew, J. P., R. Mahadevan, B. H. Bharatkumar, and V. Subramanian. 1996. "Numerical Simulation of Open Coast Surges. Part I: Experiments on Offshore Boundary Conditions." Journal of Coastal Research, 12 (1): 112-122.

    Brief Bio

    Jossy Jacob graduated from University of Miami with a M.S. in Meteorology and Physical Oceanography. Jossy has worked with multiple general circulation models GEOS-5, NUWRF, LIS, Poseidon, MOM and MICOM. Her expertise is in model development, testing, development of analysis tools for system testing and evaluation. She manages FEWSNET routine runs for Land Information System group and developed multiple web sites. Jossy is experienced with Ocean in-situ data, Satellite data processing for ocean data assimilation and various other validation studies.

    Selected Publications

    Refereed

    Keppenne, C. L., M. M. Rienecker, J. P. Jacob, and R. M. Kovach. 2008. "Error Covariance Modeling in the GMAO Ocean Ensemble Kalman Filter." Mon. Wea. Rev. 136 (8): 2964-2982 [10.1175/2007MWR2243.1]

    Sun, C., M. M. Rienecker, A. Rosati, et al. M. Harrison, A. Wittenberg, C. L. Keppenne, J. P. Jacob, and R. M. Kovach. 2007. "Comparison and Sensitivity of ODASI Ocean Analyses in the Tropical Pacific." Mon. Wea. Rev. 135 (6): 2242-2264 [10.1175/MWR3405.1]

    Jacob, J. P., E. P. Chassignet, and W. K. Dewar. 2002. "Influence of Topography on the Propagation of Isolated Eddies." Journal of Physical Oceanography 32 (10): 2848–2869 [10.1175/1520-0485(2002)032<2848:IOTOTP>2.0.CO;2]

    Mathew, J. P., and R. Mahadevan. 1996. "Numerical Simulation of Open Coast Surges. Part II: Experiments with Storm Parameters and Shelf Geometry." Journal of Coastal Research 12 (10): 123-132

    Mathew, J. P., R. Mahadevan, B. H. Bharatkumar, and V. Subramanian. 1996. "Numerical Simulation of Open Coast Surges. Part I: Experiments on Offshore Boundary Conditions." Journal of Coastal Research 12 (1): 112-122

                                                                                                                                                                                            
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