Diagnostic Tools
![](https://e3sm.org/wp-content/uploads/2018/03/2016-11-10_46.png)
An example of the lat-lon contour plots for air temperature at 850 mb with tropical ocean region considered
The Diagnostic Tools help evaluate and analyze coupled and each model component.
The E3SM project develops and maintains a suite of diagnostics tools, including packages as follows
The science groups also leverage other packages to support additional component model evaluation and process-oriented diagnostics.