The MIT Regional Climate Model (MRCM) is an advanced version of the Regional Climate Model Version 3 (RegCM3) that includes all of the MIT-based upgrades done by the Eltahir group.
The major upgrade features included in the MRCM are summarized in the table below:
| Upgrade Features | References |
| Coupling of IBIS land surface scheme | Winter et al. (2009) |
| New surface albedo assignment | Marcella and Eltahir (2012) |
| Irrigation scheme | Im et al. (2014) |
| New convective cloud scheme | Gianotti and Eltahir (2014 a) |
| New convective rainfall autoconversion scheme | Gianotti and Eltahir (2014 b) |
| Modified boundary layer height and boundary layer cloud scheme | Gianotti (2013) |