An Evaluation of the Performance of the Twentieth Century Reanalysis Version 3
Article
Article Title | An Evaluation of the Performance of the Twentieth Century Reanalysis Version 3 |
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ERA Journal ID | 1978 |
Article Category | Article |
Authors | Slivinski, L. C. (Author), Compo, G. P. (Author), Sardeshmukh, P. D. (Author), Whitaker, J. S. (Author), McColl, C. (Author), Allan, R. (Author), Brohan, P. (Author), Yin, X. (Author), Smith, C. A. (Author), Spencer, L. J. (Author), Vose, R. S. (Author), Rohrer, M. (Author), Conroy, R. P. (Author), Schuster, D. C. (Author), Kennedy, J. J. (Author), Ashcroft, L. (Author), Bronnimann, S. (Author), Brunet, M. (Author), Camuffo, D. (Author), Cornes, R. (Author), Cram, T. (Author), Dominguez-Castro, F. (Author), Freeman, J. E. (Author), Gergis, J. (Author), Hawkins, E. (Author), Jones, P. D. (Author), Kubota, H. (Author), Lee, T. C. (Author), Lorrey, A. M. (Author), Luterbacher, J. (Author), Mock, C. J. (Author), Przybylak, R. K. (Author), Pudmenzky, C. (Author), Slonosky, V. C. (Author), Tinz, B. (Author), Trewin, B. (Author), Wang, X. L. (Author), Wilkinson, C. (Author), Wood, K. (Author) and Wyszynski, P. (Author) |
Journal Title | Journal of Climate |
Journal Citation | 34 (4), pp. 1417-1438 |
Number of Pages | 22 |
Year | 2021 |
Publisher | American Meteorological Society |
Place of Publication | United States |
ISSN | 0894-8755 |
1520-0442 | |
Digital Object Identifier (DOI) | https://doi.org/10.1175/JCLI-D-20-0505.1 |
Web Address (URL) | https://journals.ametsoc.org/view/journals/clim/aop/JCLI-D-20-0505.1/JCLI-D-20-0505.1.xml |
Abstract | The performance of a new historical reanalysis, the NOAA–CIRES–DOE Twentieth Century Reanalysis version 3 (20CRv3), is evaluated via comparisons with other reanalyses and independent observations. This dataset provides global, 3-hourly estimates of the atmosphere from 1806 to 2015 by assimilating only surface pressure observations and prescribing sea surface temperature, sea ice concentration, and radiative forcings. Comparisons with independent observations, other reanalyses, and satellite products suggest that 20CRv3 can reliably produce atmospheric estimates on scales ranging from weather events to long-term climatic trends. Not only does 20CRv3 recreate a “best estimate” of the weather, including extreme events, it also provides an estimate of its confidence through the use of an ensemble. Surface pressure statistics suggest that these confidence estimates are reliable. Comparisons with independent upper-air observations in the Northern Hemisphere demonstrate that 20CRv3 has skill throughout the twentieth century. Upper-air fields from 20CRv3 in the late twentieth century and early twenty-first century correlate well with full-input reanalyses, and the correlation is predicted by the confidence fields from 20CRv3. The skill of analyzed 500-hPa geopotential heights from 20CRv3 for 1979–2015 is comparable to that of modern operational 3–4-day forecasts. Finally, 20CRv3 performs well on climate time scales. Long time series and multidecadal averages of mass, circulation, and precipitation fields agree well with modern reanalyses and station- and satellite-based products. 20CRv3 is also able to capture trends in tropospheric-layer temperatures that correlate well with independent products in the twentieth century, placing recent trends in a longer historical context. |
Keywords | Synoptic-scale processes; Surface pressure; Surface observations; Data assimilation; Reanalysis data;Decadal variability |
ANZSRC Field of Research 2020 | 370105. Atmospheric dynamics |
370108. Meteorology | |
Byline Affiliations | University of Colorado Boulder, United States |
National Oceanic and Atmospheric Administration, United States | |
Met Office, United Kingdom | |
Riverside Technology, United States | |
National Centers for Environmental Information, United States | |
University of Bern, Switzerland | |
National Center for Atmospheric Research, United States | |
University of Melbourne | |
University of Rovira i Virgili, Spain | |
Institute of Atmospheric Sciences and Climate, Italy | |
National Oceanography Centre, United Kingdom | |
University of Zaragoza, Spain | |
Australian National University | |
University of Reading, United Kingdom | |
University of East Anglia, United Kingdom | |
Hokkaido University, Japan | |
Hong Kong Observatory, China | |
National Institute of Water and Atmospheric Research, New Zealand | |
World Meteorological Organization, Switzerland | |
University of South Carolina, United States | |
Nicolaus Copernicus University, Poland | |
Centre for Applied Climate Sciences | |
McGill University, Canada | |
German Meteorological Service | |
Australian Bureau of Meteorology | |
Environment and Climate Change, Canada | |
University of Washington, United States | |
Open access url | https://journals.ametsoc.org/view/journals/clim/aop/JCLI-D-20-0505.1/JCLI-D-20-0505.1.xml |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q62vz/an-evaluation-of-the-performance-of-the-twentieth-century-reanalysis-version-3
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