| Acronym | Meaning |
| CA | Citizen Act |
| IGE | International Group Elements |
| GWE | Global Weather Experiment |
| IDEAS | Instrumentation Development And Education In Airborne Science |
| IPC | Instrument Processing Center |
| ECHAM4 | European Center HAMburg 4 |
| R-Z RELATIONSHIP | R = Precipitation Rate |
| VORTEX | Verification Of Tornadoes Experiment |
| WOS | Weather Observing Systems Committee |
| MIMR | Multiband Imaging Microwave Radiometer |