| Acronym | Meaning |
| BPA | Bonneville Power Administration |
| APAS | Astrophysical |
| CASP | Canadian Atlantic Storms Project (or Program) |
| SAV | State-of-the-atmosphere Variable |
| SLIP | Serial Line Internet Protocol |
| API | American Petroleum Institute |
| MECCA | Model Evaluation Consortium For Climate Assessment |
| WET-MAP | Mesoscale Alpine Project |
| AIRS | Advanced Inertial Reference Sphere |
| LMER | Land Margin Ecosystems Research |