Comprehensive weather and climate datasets, reanalyses assimilate a variety of observations of the atmosphere, land surface, and ocean into a forecast model to provide a dynamically consistent estimate of the climate state at each time step.
Below is the atmospheric reanalysis overview page, which summarizes the attributes of the major atmospheric reanalyses. This section also includes selected oceanic reanalyses, although an overview is not available yet.
To find a specific reanalysis, jump to the search box below or click your desired reanalysis from among the blue sub-category buttons.
To see only the reanalyses pages accompanied by in-depth commentary, select the "Datasets with guidance" button when using the search box.
Years of record
The Arctic System Reanalysis is a multi-agency, university-led retrospective analysis (reanalysis) of the Greater Arctic. ASR is produced using high-resolution versions of the Polar Weather Forecast Model (PWRF) and the WRF-VAR and High Resolution Land Data…
Main variables and Earth System componentsAtmosphere Cryosphere Land Soil Moisture
Experts contributing reviews