| Acronym | Meaning |
| ISWS | Illinois State Water Survey |
| ARM-CART | Atmospheric Radiation Measurement-Clouds And Radiation Testband |
| ARES | Advanced Reentry System |
| GM | General Motors |
| AQM | Atmospheric Quality And Modification |
| PETA | People For The Ethical Treatment Of Animals |
| AWS | Air Weather Service |
| E | Epsilon |
| CASP | Canadian Atlantic Storms Project (or Program) |
| PSCN | Program Support Computer Network |