WRF(Weather Research and Forecasting) Model 4DVAR Data Assimilation Tutorials: Link

    Home page for the Weather Research and Forecasting (WRF) model data assimilation system (WRFDA). The WRFDA system is in the public domain and is freely available for community use. It is designed to be a flexible, state-of-the-art atmospheric data assimilation system that is portable and efficient on available parallel computing platforms. WRFDA is suitable for use in a broad range of applications across scales ranging from kilometers of regional mesoscale to thousands of kilometers of global scales.
ROMS(Regional Ocean Modeling System) Code Browser: Link

  
The ROMS (Regional Ocean Modeling System) fortran-90 code was converted to html for easy linking and searching subroutines and modules. This helps in following variable/function calls more easily.

ROMS Documentation: Link

 Link to ROMS model documentation. Has notes on model equations and discretization techniques used for the solution of the equations.

CCSM (Community Climate System Model): Link

 Link to the the community climate system model 4.0 website.