| Acronym | Meaning |
| RDT&E | Research, Development, Test And Evaluation |
| WGS84 | World Geodetic Survey 1984 |
| STEPS | Severe Thunderstorm Electrification And Precipitation Study |
| AAP | Atmospheric Analysis And Prediction Division |
| RI# | Richardson Number |
| AMWG | Atmosphere Model Working Group |
| IGC | International Geophysical Cooperation |
| PFA | Primary Flux Array |
| 3CPO | Cloud Chemistry And Cloud Physics Organization |
| OGA | Office Of Government Affairs |