| Acronym | Meaning |
| ESA | Endangered Species Act |
| NAO | North American Oscillation |
| NEXUS | Next-generation Upper-air Sounding System |
| DDE | Dynamic (or Direct) Data Exchange |
| UWGB | University Of Wisconsin At Green Bay |
| RANN | Research Applied To National Needs |
| SAFARI | Southern African Fire-Atmospheric Research Initiative |
| CCD | Charge-Couple Device |
| OGO | Orbiting Geophysical Observatory |
| ELLWAS | Enhanced Low-Level Windshear Alert System |