| Acronym | Meaning |
| FLOPS | Floating Point Operations Per Second |
| AL/EPD | AL Environmental Protection Division |
| LERC | Lewis Research Center |
| IDL | Interface Definition Language |
| IGFA | Intergovernmental Funding Agency |
| SAS | Statistical Analysis System |
| OSIS | Office Of Scientific Information Service |
| USRA | Universities Space Research Association |
| MM4 | Mesoscale Model |
| AMIP | Atmospheric Model Intercomparison Project |