| Acronym | Meaning |
| AWPG | Aviation Weather Products Generator |
| CCSM-2 | Community Climate System Model š 2nd Generation |
| THORPEX | The Observing System Research And Predictability Experiment |
| OSO | Office Of Systems Operations |
| UID | User Identification |
| EM | Evaluation Model |
| OIR | Office Of Industry Relations |
| ERL | Environmental Research Laboratory |
| IFEOS | International Forum On Earth Observations Using Space Station Elements |
| GDP | GARP Data Processing |