Curriculum Vitae:  Yan Xue
Address Operational Monitoring Branch
Climate Prediction Center, NCEP/NOAA 
NOAA Center for Weather and Climate Prediction, Room 3005  
5830 University Research Court
College Park, MD 20740
Phone: +1 301 683-3390
Fax: +1 301 683-1558
Email: Yan.Xue@noaa.gov
WWW: http://www.cpc.ncep.noaa.gov/products/people/yxue
Education
Columbia University, New York, New York
M.S., Geological Science, September 1993
Ph.D., Oceanography, January 1996

Ph.D. Thesis: Predictability of a Coupled Ocean-Atmosphere Model
Advisor: Prof. Mark Cane

Institute of Atmospheric Science, Chinese Academy of Sciences, Beijing, China
M.S., Atmospheric Science, October 1988

University of Science and Technology of China, Hefei, China
B.A., Atmospheric Science, September 1985 
Professional
Experience		  
Pysical Scientist, 2001-2005, Ocean Team Lead, 2006-present
Climate Prediction Center, NCEP/NWS/NOAA

Research Scientist, 1999-2001
Research and Data Systems Corporation

UCAR Visiting Scientist, 1997-1998
University Corporation for Atmospheric Research (UCAR) at National Centers for Environmental Prediction

UCAR Postdoctoral Fellow, 1996 
University Corporation for Atmospheric Research at National Centers for Environmental Prediction

Research Assistant, 1990-1995
Lamont-Doherty Earth Observatory of Columbia University
Teaching
Experience
Teaching Assistant, 1991-92
Department of Geological Science, Columbia University, Course on Principles of Physical Oceanography 
Honors and
Awards
NOAA Bronze Medal Award (Individual), 2009

NOAA Cash-In-Your-Account Awards, 2008

Awarded the Boris A. Bakhmeteff Research Fellowship in Fluid Mechanics, Columbia University, 1993-1994

Outstanding student awards, University of Science and Technology of China, 1980-1995

Memberships

Co-Chair, Phenomena, Observations and Synthesis (POS) Panel, U.S. CLIVAR, 2014 - 2015
Member, Phenomena, Observations and Synthesis (POS) Panel, U.S. CLIVAR, 2010 - 2013

Member, American Meteorological Society, 1993-present

Member, American Geophysical Union, 1993-present 
Refereed
Publications

  1. Palmer, M.D. & Co-authors, 2015: Ocean heat content variability and change in an ensemble of ocean reanalyses. Clim. Dyn., , 10.1007/s00382-015-2801-0.

  2. Valdivieso, M. & Co-authors, 2015: An assessment of air-sea heat fluxes from ocean and coupled reanalyses. Clim. Dyn., , 10.1007/s00382-015-2843-3.

  3. Storto, A. & Co-authors, 2015: Steric sea level variability (1993-2010) in an ensemble of ocean reanalyses and objective analyses. Clim. Dyn., , 10.1007/s00382-015-2554-9.

  4. Xue, Y., C. Wen, X. Yang, D. Behringer, A. Kumar, G. Vecchi, A. Rosati, and R. Gudgel, 2015: Evaluation of tropical Pacific observing system using NCEP and GFDL ocean data assimilation systems. Clim. Dyn., , 10.1007/s00382-015-2743-6.

  5. Stock, C. & Co-authors, 2015: Seasonal sea surface temperature anomaly prediction for coastal ecosystems. Progress in Oceanography, 137, 219-236.

  6. Xue, Y., Z.-Z. Hu, A. Kumar, V. Banzon, T. Smith, and J. Kennedy, 2015: Global oceans: Sea surface temperature. In State of the Climate in 2014, J. Blunden and D.S. Arndt, eds., Bull. Amer. Meteorol. Soc., 96 , S59-S64.

  7. Fujii, Y., J. Cummings, Y. Xue, A. Schiller, T. Lee, M.A. Balmaseda, E. Remy, S. Masuda, G. Brassington, O. Alves, B. Cornuelle, M. Martin, P. Oke, G. Smith, and X. Yang, 2015: Evaluation of tropical Pacific observing system from the ocean data assimilation perspective. Q. J. R. Meteorol. Soc. , , DOI: 10.1002/qj.2579.

  8. Balmaseda, M.A. & Co-authors, 2015: The Ocean Reanalyses Intercomparison Project (ORA-IP). Journal of Operational Oceanography (GODAE Ocean View special issue), , .

  9. Kumar, A., M. Chen, Y. Xue, and D. Behringer, 2015: An analysis of the temporal evolution of ENSO prediction skill in the context of the equatorial Pacific Ocean observing system. Mon. Wea. Rev., 143, 3204-3213.

  10. Wen, C., A. Kumar, and Y. Xue, 2014: Factors contributing to uncertainty in Pacific Decadal Oscillation index Geophys.Res. Lett., 41, 7980-7986.

  11. Banzon, V.F., R.W. Reynolds, D. Stokes, and Y. Xue, 2014: A 1/4° spatial resolution daily sea surface temperature climatology based on a blended satellite and in situ analysis J. Climate, 27, 8221-8228.

  12. Capotondi, A. & Co-authors, 2014: Understanding ENSO diversity, Bull. Amer. Meteorol. Soc., doi: http://dx.doi.org/10.1175/BAMS-D-13-00117.1

  13. Baxter, S., S. Weaver, J. Gottschalck, and Y. Xue, 2014: Pentad Evolution of Wintertime Impacts of the Madden-Julian Oscillation Over the Contiguous United States, J. Climate, 27, 7356-7367.

  14. Xie, T., T. Boyer, E. Bayler, Y. Xue, D. Byrne, J. Reagan, R. Locarnini, F. Sun, R. Joyce, and A. Kumar, 2014: An in situ - satellite blended analysis of global sea surface salinity J. Geophy. Res. Oceans, 119, 6140-6160.

  15. Wen, C., A. Kumar, Y. Xue, and M. McPhaden, 2014: Changes in Tropical Pacific Thermocline Depth and Their Relationship to ENSO after 1999. J. Climate, 27, 7230-7249.

  16. Xue, Y., Z.-Z. Hu, A. Kumar, V. Banzon, T. Smith, and N. Rayner, 2014: Global oceans: Sea surface temperature. In State of the Climate in 2013, J. Blunden and D.S. Arndt, eds., Bull. Amer. Meteorol. Soc., 95 , S47-S51.

  17. Kumar, A., H. Wang, Y. Xue and W. Wang, 2014: How much of monthly subsurface temperature variability in equatorial Pacific can be recovered by the specification of sea surface temperatures? J. Climate, 27 , 1559-1577.

  18. Hu, Z.-Z., A. Kumar, Y. Xue, and B. Jha, 2014: Why were some La Nina followed by another La Nina?. Clim. Dyn., 42 , 1029-1042.

  19. Xue, Y., Z.-Z. Hu, A. Kumar, V. Banzon, T. Smith, and N. Rayner, 2013: Global oceans: Sea surface temperature. In State of the Climate in 2012, J. Blunden and D.S. Arndt, eds., Bull. Amer. Meteorol. Soc., 94 , S47-S51.

  20. Xue, Y., M. Chen, A. Kumar, Z.-Z. Hu, W. Wang, 2013: Prediction Skill and Bias of Tropical Pacific Sea Surface Temperatures in the NCEP Climate Forecast System Version 2. J. Climate, 26 , 5358-5378.

  21. Xue, Y., Z.-Z. Hu, A. Kumar, V. Banzon, T. Smith, and N. Rayner, 2012: Global oceans: Sea surface temperature. In State of the Climate in 2011, J. Blunden and D.S. Arndt, eds., Bull. Amer. Meteorol. Soc., 93 , S57-S62.

  22. Kumar, A., H. Wang, W. Wang, Y. Xue, and Z.-Z. Hu, 2013: Does Knowing the Oceanic PDO Phase Help Predict the Atmospheric Anomalies in Subsequent Months? J. Climate, 26 , 1268-1285.

  23. Zuo, Z., S. Yang, A. Kumar, R. Zhang, Y. Xue, and B. Jha, 2012: Role of Thermal Condition over Asia in the Weakening Asian Summer Monsoon under Global Warming Background. J. Climate, 25 , 3431-3436.

  24. Zuo, Z., S. Yang, W. Wang, A. Kumar, Y. Xue, and R. Zhang, 2011: Relationship between anomalies of Eurasian snow and southern China rainfall in winter. Environ. Res. Lett., 6, doi:10.1088/1748-9326/6/4/045402.

  25. Wang, H., A. Kumar, W. Wang, and Y. Xue, 2012: Influence of ENSO on Pacific Decadal Variability in the NCEP Climate Forecast System. J. Climate, 25, 6136-6151.

  26. Kumar, A. M. Chen, L. Zhang, W. Wang, Y. Xue, C. Wen, L Marx, and B. Huang, 2012: An Analysis of the Non-stationarity in the Bias of Sea Surface Temperature Forecasts for the NCEP Climate Forecast System (CFS) Version 2. Mon. Wea. Rev., 140, 3003-3016.

  27. Huang, B., Z.-Z. Hu, E. K. Schneider, Z. Wu, Y. Xue, B. Klinger, 2012: Influences of Subtropical Air-Sea Interaction on the Multidecadal AMOC Variability in the NCEP Climate Forecast System. Clim. Dyn., 39, 531-555.

  28. Xue, Y., M. A., Balmaseda, T. Boyer, N. Ferry, S. Good, I. Ishikawa, A. Kumar, M. Rienecker, T. Rosati, Y. Yin, 2012: A comparative analysis of upper ocean heat content variability from an ensemble of operational ocean reanalyses. J. Climate, 25, 6905-6929.

  29. Wen, C., Y. Xue, and A. Kumar, 2012: Seasonal Prediction of North Pacific SSTs and PDO in the NCEP CFS Hindcasts. J. Climate, 25, 5689-5710.

  30. Wen, C., Y. Xue, and A. Kumar, 2012: Tropical Instability Waves Simulated in the NCEP Climate Forecast System Reanalysis. J. Climate, 25,6409-6425.

  31. Wang, W, M. Chen, A. Kumar, and Y. Xue, 2011: How important is intraseasonal surface wind variability to real-time ENSO prediction? Geophys.Res. Lett., 37 DOI:10.1029/2011GL047684.

  32. Wang, H., A. Kumar, W. Wang, and Y. Xue, 2012: Seasonality of the Pacific Decadal Oscillation. J. Climate, 25, 25-38.

  33. Huang, B., Y. Xue, H. Wang, W. Wang, and A. Kumar, 2011: Mixed Layer Heat Budget of the El Niņo in NCEP Climate Forecast System. Clim. Dyn., 38, 513-525.

  34. Hu, Z.-Z., A. Kumar, B. Huang, Y. Xue, W. Wang, and B. Jha, 2011: Persistent atmospheric and oceanic anomalies in the North Atlantic from Summer 2009 to Summer 2010. J. Climate, 24, 5812-5830.

  35. Xue, Y., R. W. Reynolds, V. Banzon, T. Smith, and N. Rayner, 2011: Global oceans: Sea surface temperature. In State of the Climate in 2010, D.S. Arndt, M.O. Baringer and M.R. Johnson, eds., Bull. Amer. Meteorol. Soc., 92 , S78-S81.

  36. Huang, B., Y. Xue, A. Kumar, and D. Behringer, 2012: AMOC variations in 1979-2008 simulated by NCEP operational global ocean data assimilation system. Clim. Dyn., 38 513-525.

  37. Xue, Y., B. Huang, Z.Z. Hu, A. Kumar, C. Wen, D. Behringer, S. Nadiga, 2011: An Assessment of Oceanic Variability in the NCEP Climate Forecast System Reanalysis. Clim. Dyn., 37, 2511-2539.

  38. Wang, W., P. Xie, S.H. Yoo, Y. Xue, A. Kumar, X. Wu, 2011: An assessment of the surface climate in the NCEP Climate Forecast System Reanalysis. Clim. Dyn., 37, 2511-2539.

  39. Saha, S. & Co-Authors, 2010: The NCEP Climate Forecast System Reanalysis. Bull. Amer. Meteorol. Soc., 91, 1015-1057.

  40. Lee, T. & Co-Authors, 2010: Ocean state estimation for climate research. In Proceedings of OceanObs09: Sustained Ocean Observations and Information for Society (Vol. 2), ,Venice, Italy, 21-25 September 2009, Hall, J., Harrison, D.E. & Stammer, D., Eds., ESA Publication WPP-306.

  41. Stammer, D. & Co-Authors, 2010: Ocean information provided through ensemble ocean syntheses. In Proceedings of OceanObs09: Sustained Ocean Observations and Information for Society (Vol. 2), ,Venice, Italy, 21-25 September 2009, Hall, J., Harrison, D.E. & Stammer, D., Eds., ESA Publication WPP-306.

  42. Trenberth, K.E. & Co-Authors, 2010: Atmospheric reanalyses: A major resource for ocean product development and modeling. In Proceedings of OceanObs09: Sustained Ocean Observations and Information for Society (Vol. 2), ,Venice, Italy, 21-25 September 2009, Hall, J., Harrison, D.E. & Stammer, D., Eds., ESA Publication WPP-306.

  43. Balmaseda, M. & Co-Authors, 2010: Role of the ocean observing system in an end-to-end seasonal forecasting system. In Proceedings of OceanObs09: Sustained Ocean Observations and Information for Society (Vol. 2), ,Venice, Italy, 21-25 September 2009, Hall, J., Harrison, D.E. & Stammer, D., Eds., ESA Publication WPP-306.

  44. Xue, Y., O. Alves, M.A. Balmaseda, N. Ferry, S. Good, I. Ishikawa, T. Lee, M.J. McPhaden, K.A. Peterson, and M. Rienecker,, 2010: Ocean state estimation for global ocean monitoring: ENSO and beyond ENSO. In Proceedings of OceanObs09: Sustained Ocean Observations and Information for Society (Vol. 2), ,Venice, Italy, 21-25 September 2009, Hall, J., Harrison, D.E. & Stammer, D., Eds., ESA Publication WPP-306.

  45. Huang, B., Y. Xue, X. Zhang, A. Kumar, and M.J. McPhaden, 2010: The NCEP GODAS ocean analysis of the tropical Pacific mixed layer heat budget on seasonal to interannual time scales. J. Climate , 23, 4901-4925.

  46. Xue, Y., R.W. Reynolds and C. Banzon, 2010: Global Oceans: Sea Surface Tempertures . In State of the Climate in 2009, D.S. Arndt, M.O. Baringer and M.R. Johnson, eds., Bull. Amer. Meteorol. Soc. , 91(7), S53-S56.

  47. Xue, Y., and R.W. Reynolds, 2009: Global Oceans: Sea Surface Tempertures . In State of the Climate in 2008, T.C. Peterson and M.O. Baringer, eds., Bull. Amer. Meteorol. Soc. , 90(7), S47-S49.

  48. Reynolds, R.W. and Y. Xue, 2008: Global Oceans: Sea Surface Tempertures . In State of the Climate in 2007, D.H. Levinson and J.H. Lawrimore (eds.). Bull. Amer. Meteorol. Soc. , 89(7), S37-S39.

  49. Huang, B., Y. Xue, and D. Behringer, 2008: Impacts of Argo salinity in NCEP Global Ocean Data Assimilation System: The tropical Indian Ocean. J. Geophys. Res. , 113, doi:10.1029/2007JC004388.

  50. Zhang, Q., A. Kumar, Y. Xue, W. Wang, and F. Jin, 2007: Analysis of the ENSO Cycle in NCEP Coupled Forecast Model. J. Climate, 16, 1265-1284.

  51. Zhang, R-H, A.J. Busalacchi and Y. Xue, 2007: Decadal change in the relationship between the oceanic entrainment temperature and thermocline depth in the far western tropical Pacific . Geophys. Res. Lett., 34, L23612, doi:10.1029/2007GL032119.

  52. Seo, K.-H., and Y. Xue, 2005: MJO-related oceanic Kelvin waves and the ENSO cycle: A study with the NCEP Global Ocean Data Assimilation System. . Geophys. Res. Lett., 32, L07712, doi:10.1029/2005GL022511.

  53. Behringer, D.W., and Y. Xue, 2004: Evaluation of the global ocean data assimilation system at NCEP: The Pacific Ocean. Eighth Symposium on Integrated Observing and Assimilation Systems for Atmosphere, Oceans, and Land Surface, AMS 84th Annual Meeting, Washington State Convention and Trade Center, Seattle, Washington, 11-15.

  54. Xue, Y., T. M. Smith, and R. W. Reynolds, 2003: Interdecadal changes of 30-yr SST normals during 1871-2000 . J. Climate, 16, 1601-1612.

  55. Reynolds, R. W., D. Behringer, M. Ji, A. Leetmaa, C. Maes, F. Vossepoel and Y. Xue, 2000: Analyzing the 1993-1998 interannual variability of NCEP model ocean simulations: The contribution of TOPEX/Poseidon observations, In Satellites, Oceanography and Society , edited by D. Halpern, Elsevier Science Publishers, New York, 2000.

  56. Xue, Y.,and A. Leetmaa, 2000: Forecast of tropical Pacific SST and sea level using a Markov model . Geophys. Res. Lett., 27, 2701-2704.

  57. Higgins, R. W., A. Leetmaa, Y. Xue and A. Barnston, 2000: Dominant factors influencing the seasonal predictability of United States precipitation and surface air temperature. J. Climate, 13, 3994-4017.

  58. Xue, Y., A. Leetmaa, and M. Ji, 2000: ENSO prediction with Markov models: The impact of sea level. J. Climate, 13,849-871.

  59. Tziperman, E., M. A. Cane, S. E. Zebiak, Y. Xue and B. Blumenthal, 1998: Locking of El Nino's peak time to the end of the calendar year in the delayed oscillator picture of ENSO. J. Climate, 11, 2191-2199.

  60. Xue, Y., M. A. Cane, S. E. Zebiak, and T. N. Palmer, 1997b: Predictability of a coupled model of ENSO using singular vector analysis. Part II: Optimal growth and forecast skill.Mon. Wea. Rev., 125,2057-2073.

  61. Xue, Y., M. A. Cane, and S. E. Zebiak, 1997a: Predictability of a coupled model of ENSO using singular vector analysis. Part I: Optimal growth in seasonal background and ENSO cycles. Mon. Wea.Rev., 125, 2043-2056.

  62. Xue, Y., M. A. Cane, S. E. Zebiak, and B. Blumenthal, 1994:On the prediction of ENSO: a study with a low-order Markov model. Tellus, 46A, 512-528.

  63. Wang, B. and Y. Xue, 1992: Behavior of a moist Kelvin wave packet with nonlinear heating. J. Atmos. Sci., 49, 549-559.

  64. Xue, Y., X.-J. Zhou, P.-C. Yang, 1990: Bifurcation and stability in a model of dry convection in a shearing environment. China Sci. B, 6, 664-672.

  65. Xue, Y. and X.-J. Zhou, 1989: Attenuation of sound in the detection of temperature mixing coefficient in atmospheric boundary layer. Acta Meteo. Sci. B, 1.

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