| Acronym | Meaning |
| AER | AWIPS Forecast Preparation System |
| PPM | Parts Per Million |
| UPO | UCAR Projects Office |
| ITVM | Integration |
| GIF | Graphics Interchange Format |
| MACCM2 | Middle Atmosphere Community Climate Model |
| EISCAT | European Incoherent Scatter Radar System |
| AFGL | Air Force Geophysics Laboratory |
| PRMS | Precipitation Runoff Modeling System |
| SLATT | Stratospheric Latitudinal And Temporal Trends (exchange Committee) |