Articles | Volume 17, issue 23
Atmos. Chem. Phys., 17, 14593–14629, 2017
https://doi.org/10.5194/acp-17-14593-2017

Special issue: The SPARC Reanalysis Intercomparison Project (S-RIP) (ACP/ESSD...

Atmos. Chem. Phys., 17, 14593–14629, 2017
https://doi.org/10.5194/acp-17-14593-2017

Research article 07 Dec 2017

Research article | 07 Dec 2017

Climatology and interannual variability of dynamic variables in multiple reanalyses evaluated by the SPARC Reanalysis Intercomparison Project (S-RIP)

Craig S. Long et al.

Data sets

NCEP Climate Forecast System Version 2 (CFSv2) Monthly Products S. Saha, et al. https://rda.ucar.edu/datasets/ds094.2

Japanese 25-year Reanalysis Project, Monthly Means Central Research Institute of Electric Power Industry and Japan Meteorological Agency https://rda.ucar.edu/datasets/ds625.1/

Japanese 55-year Reanalysis, Monthly Means and Variances Japan Meteorological Agency https://rda.ucar.edu/datasets/ds628.1

NCEP/NCAR Global Reanalysis Products, 1948-continuing National Centers for Environmental Prediction/National Weather Service/NOAA/US Department of Commerce https://rda.ucar.edu/datasets/ds090.0

NCEP/DOE Reanalysis 2 (R2) National Centers for Environmental Prediction/National Weather Service/NOAA/US Department of Commerce https://rda.ucar.edu/datasets/ds091.0

NOAA CIRES Twentieth Century Global Reanalysis Version 2 G. P. Compo, et al. https://rda.ucar.edu/datasets/ds131.1

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Short summary
As part of the SPARC Reanalysis Intercomparison Project, we evaluate the temperature and wind structure of all the recent and past reanalyses with 2.5-degree monthly zonal mean data sets from 1979–2014. There is a distinct change in the temperature structure in the stratosphere in 1998. Zonal winds are in greater agreement than temperatures. All reanalyses have issues analysing the tropical stratospheric winds. Caution is advised for using reanalysis temperatures for trend detection.
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