| Acronym | Meaning |
| OBAC | Office Of Budget And Control |
| ESG | Empirical Study Group |
| HRIR | High-resolution Infrared Radiometer |
| EURATOM | European Atomic Energy Agency/Community |
| EPC | Environmental Forecast Center |
| BSRN | Baseline Surface Radiation Network |
| GCA | Geophysics Corporation Of America |
| AMS | Aerial Measurement Station |
| PCDS | Pilot Climate Data System |
| LLWAS | Low-Level Wind Shear Alert System |