| Acronym | Meaning |
| GIF | Graphics Interchange Format |
| UIL | Upper Interval Limit |
| CCM4 | Community Climate Model 4 |
| ECS | EOSDIS Core System |
| OFCM | Office Of The Federal Coordinator For Meteorology |
| UCARSOFT | UCAR Software |
| MECCA | Model Evaluation Consortium For Climate Assessment |
| MAPS/RUC | MAPS Is The Research Version Of The Rapid Update Cycle |
| NRDC | National Research Development Corporation |
| ASAS | Advanced Solid-State Array Sensor |