Olga Tweedy

No photo available

Olga Tweedy

  • POST DOC
  • 301.614.6474
  • NASA/GSFC
  • Mail Code: 614
  • Greenbelt , MD 20771
  • Employer: UNIVERSITIES SPACE RESEARCH ASSOCIATION
  • Positions/Employment

    7/2018 - Present

    NASA Postdoctoral Fellow (NPP)

    USRA/NASA GSFC, Greenbelt, MD

    Study variability and future changes of the transport processes and composition in the upper troposphere and lower stratosphere using NASA chemistry-climate models and satellite observations  

    6/2013 - 6/2018

    NSF Graduate Student Research Fellow

    Johns Hopkins University, Greenbelt, MD

    Initiated, designed, and executed three research projects focusing on the variability of
    the lower stratospheric circulation and chemical constituents.

    Education

    • Doctor of Philosophy (Ph.D.), 2018, Atmospheric Science
      • Johns Hopkins University, Department of Earth and Planetary Sciences Baltimore, MD
      • Dissertation Title: Transport processes in the tropical lower stratosphere and their role in the variability of trace gases.
      • Ph.D. Advisor: Dr. Darryn Waugh
    • Bachelor of Science (B.S.), 2013, Marine Sciences

    Professional Service

    • 2019 -Present, OSPA coordinator, American Geophysical Union, Atmospheric Sciences division
    • 2019 -Present, Early Career committee member, American Geophysical Union, Atmospheric Sciences division
    • 2020 - 2021, North American regional representative, Young Earth System Scientists (YESS) community
    • 2019 - Present, Active Member of the Online Events Working Group, YESS
    • 2017 -2018, Graduate Student Representative Organization General Council Member, Johns Hopkins University
    • 2014 - 2016, AMS Student Conference Planning Committee Member, American Meteorological Society
    • 2018 - Present, reviewer for journals: Atmospheric Chemistry and Physics, Journal of Geophysical Research-Atmospheres

     

    Awards

    2018-2021, NASA Postdoctoral Program Fellowship, NASA Goddard Space Flight Center
    2013-2018, National Science Foundation Graduate Research Fellowship Program
    2017, NCAR Advanced Study Program Graduate Student Visitor Program Fellowship
    2017, Journal Club Student Presentation Award, Johns Hopkins University
    2017, Best Student Presentation Award, 19th Conference on Middle Atmosphere, AMS
    2016, NASA travel grant for the Geller Symposium, 2016 AMS Annual Meeting
    2013, College of Science Award for Outstanding Achievements in Undergraduate Research,
    Coastal Carolina University
    2012, Myrtle Beach Woman's Club Annual Scholarship, Myrtle Beach, SC
    2012, The Council on Undergraduate Research Posters on the Hill, Washington, DC

    Publications

    Refereed

    Tweedy, O. V., L. D. Oman, and D. W. Waugh. 2020. "Seasonality of the MJO Impact on Upper Troposphere–Lower Stratosphere Temperature, Circulation, and Composition." Journal of the Atmospheric Sciences, 77 (4): 1455-1473 [10.1175/jas-d-19-0183.1]

    Tweedy, O. V., D. W. Waugh, W. J. Randel, et al. M. Abalos, L. D. Oman, and D. E. Kinnison. 2018. "The Impact of Boreal Summer ENSO Events on Tropical Lower Stratospheric Ozone." Journal of Geophysical Research: Atmospheres, 123 (17): 9843-9857 [10.1029/2018jd029020]

    Tweedy, O. V., D. W. Waugh, R. S. Stolarski, et al. L. D. Oman, W. J. Randel, and M. Abalos. 2017. "Hemispheric differences in the annual cycle of tropical lower stratosphere transport and tracers." Journal of Geophysical Research: Atmospheres, 122 (13): 7183-7199 [10.1002/2017jd026482]

    Tweedy, O. V., N. A. Kramarova, S. E. Strahan, et al. P. A. Newman, L. Coy, W. J. Randel, M. Park, D. W. Waugh, and S. M. Frith. 2017. "Response of trace gases to the disrupted 2015–2016 quasi-biennial oscillation." Atmospheric Chemistry and Physics, 17 (11): 6813-6823 [10.5194/acp-17-6813-2017]

    Publications

    Refereed

    Tweedy, O. V., L. D. Oman, and D. W. Waugh. 2020. "Seasonality of the MJO Impact on Upper Troposphere–Lower Stratosphere Temperature, Circulation, and Composition." Journal of the Atmospheric Sciences 77 (4): 1455-1473 [10.1175/jas-d-19-0183.1]

    Tweedy, O. V., D. W. Waugh, W. J. Randel, et al. M. Abalos, L. D. Oman, and D. E. Kinnison. 2018. "The Impact of Boreal Summer ENSO Events on Tropical Lower Stratospheric Ozone." Journal of Geophysical Research: Atmospheres 123 (17): 9843-9857 [10.1029/2018jd029020]

    Tweedy, O. V., D. W. Waugh, R. S. Stolarski, et al. L. D. Oman, W. J. Randel, and M. Abalos. 2017. "Hemispheric differences in the annual cycle of tropical lower stratosphere transport and tracers." Journal of Geophysical Research: Atmospheres 122 (13): 7183-7199 [10.1002/2017jd026482]

    Tweedy, O. V., N. A. Kramarova, S. E. Strahan, et al. P. A. Newman, L. Coy, W. J. Randel, M. Park, D. W. Waugh, and S. M. Frith. 2017. "Response of trace gases to the disrupted 2015–2016 quasi-biennial oscillation." Atmospheric Chemistry and Physics 17 (11): 6813-6823 [10.5194/acp-17-6813-2017]

                                                                                                                                                                                            
    NASA Logo, National Aeronautics and Space Administration