Information on Atmospheric Reanalyses
Summary of the main atmospheric reanalyses that are current or underway, with the horizontal resolution (latitude: T159 is equivalent to about 0.8 degree), the starting and ending dates, the approximate vintage of the model and analysis system and current status
| Reanalysis | Horiz. Res. | Dates | Vintage | Status |
|---|---|---|---|---|
| NCEP/NCAR R1 | T62 | 1948-present | 1995 | ongoing |
| NCEP-DOE R2 | T62 | 1979-present | 2001 | ongoing |
| CFSRR (NCEP) | T382 | 1979-present | 2009 | in progress |
| C20r (NOAA) | 2 degree | 1891-2008 | 2009 | in progress |
| ERA-40 | T159 | 1957-2002 | 2004 | complete |
| ERA-Interim | T255 | 1989-present | 2009 | ongoing |
| JRA-25 | T106 | 1979-present | 2006 | ongoing |
| JRA-55 | T319 | 1958-2012 | 2009 | underway |
| MERRA | half degree | 1979-present | 2009 | in progress |
For more information, see:
- Trenberth, K.E., R. Dole, Y. Xue, K. Onogi, D. Dee, M. Balmaseda, M. Bosilovich, S. Schubert, W. Large, 2010: Atmospheric reanalyses: A major resource for ocean product development and modeling. In Proc. "OceanObs'09: Sustained Ocean Observations and Information for Society" Conference (Vol. 2), Venice, Italy, 21-25 September 2009. J. Hall, D.E. Harrison and D. Stammer, Eds., ESA Publications WPP-306, in press. [pdf]