Sciences and Exploration Directorate

Meta E Sienkiewicz



Org Code: 610.1

Mail Code: 610.1
Greenbelt, MD 20771



Chief Research Scientist

SSAI - Global Modeling and Assimilation Office, NASA Goddard

March 2012 - Present

Support Scientist

Science Applications International Corporation (SAIC) - Global Modeling and Assmilation Office, NASA GSFC Data Assimilation Office, NASA GSFC

July 1993 - February 2012

Resident Research Associate

National Research Council - Data Assimilation Office, NASA GSFC

June 1991 - June 1993


1991 Ph.D., Meteorology, University of Oklahoma, Norman Oklahoma
1981 M.S., Meteorology, Texas A&M University, College Station, Texas
1979 B.S, Meteorology, Texas A&M University, College Station, Texas  (High Honors)

Professional Societies

American Meteorological Society

1978 - Present

American Geophysical Union

1999 - Present



Privé, N. C., M. McLinden, B. Lin, et al. I. Moradi, M. E. Sienkiewicz, G. M. Heymsfield, and W. McCarty. 2023. Impacts of marine surface pressure observations from a spaceborne differential absorption radar investigated with an observing system simulation experiment Journal of Atmospheric and Oceanic Technology 40 897-918 [10.1175/JTECH-D-22-0088.1]

Errico, R. M., D. Carvalho, N. C. Privé, and M. Sienkiewicz. 2020. Simulation of Atmospheric Motion Vectors for an Observing System Simulation Experiment Journal of Atmospheric and Oceanic Technology 37 (3): 489-505 [10.1175/jtech-d-19-0079.1]

Gelaro, R., W. McCarty, M. J. Suárez, et al. R. Todling, A. Molod, L. Takacs, C. Randles, A. Darmenov, M. G. Bosilovich, R. Reichle, K. Wargan, L. Coy, R. Cullather, C. Draper, S. Akella, V. Buchard, A. Conaty, A. da Silva, W. Gu, G.-K. Kim, R. Koster, R. Lucchesi, D. Merkova, J. E. Nielsen, G. Partyka, S. Pawson, W. Putman, M. Rienecker, S. D. Schubert, M. Sienkiewicz, and B. Zhao. 2017. The Modern-Era Retrospective Analysis for Research and Applications, Version 2 (MERRA-2) Journal of Climate 30 5419–5454 [10.1175/jcli-d-16-0758.1]

Errico, R. M., R. Yang, N. C. Prive, et al. K.-S. Tai, R. Todling, M. E. Sienkiewicz, and J. Guo. 2013. Development and validation of observing-system simulation experiments at NASA's Global Modeling and Assimilation Office Q.J.R. Meteorol. Soc. 139 (674): 1162-1178 [10.1002/qj.2027]

Rienecker, M. M., M. J. Suarez, R. Gelaro, et al. R. Todling, J. Bacmeister, E. Liu, M. G. Bosilovich, S. D. Schubert, L. Takacs, G.-K. Kim, S. Bloom, J. Chen, D. Collins, A. Conaty, A. da Silva, W. Gu, J. Joiner, R. D. Koster, R. Lucchesi, A. Molod, T. Owens, S. Pawson, P. Pegion, C. R. Redder, R. H. Reichle, F. R. Robertson, A. G. Ruddick, M. Sienkiewicz, and J. Woollen. 2011. MERRA: NASA’s Modern-Era Retrospective Analysis for Research and Applications J. Climate 24 (14): 3624-3648 [10.1175/JCLI-D-11-00015.1]

Cohn, S. E., A. Da Silva, J. Guo, M. Sienkiewicz, and D. Lamich. 1998. Assessing the Effects of Data Selection with the DAO Physical-Space Statistical Analysis System* Monthly Weather Review 126 (11): 2913--2926

Sienkiewicz, M. E., and J. Pfaendtner. 1997. Assimilation Variability in the GEOS-1 Data Assimilation System Monthly Weather Review 125 (4): 560-571 [10.1175/1520-0493(1997)125<0560:avitgd>;2]


Errico, R. M., N. C. Prive, D. Carvalho, et al. M. E. Sienkiewicz, A. El Akkraoui, J. Guo, R. Todling, W. R. Mccarty, W. M. Putman, A. M. Da Silva, R. Gelaro, and I. Moradi. 2017. Description of the GMAO OSSE for Weather Analysis Software Package: Version 3 NASA Technical Report Series on Global Modeling and Data Assimilation, NASA/TM-2017-104606 48 156 pp.

Mccarty, W. R., L. Coy, R. Gelaro, et al. A. Huang, D. Merkova, E. B. Smith, M. E. Sienkiewicz, and K. Wargan. 2016. MERRA-2 Input Observations: Summary and Assessment Technical Report Series on Global Modeling and Data Assimilation 46 (NASA/TM–2016-104606):