| Acronym | Meaning |
| FTOS | FGGE Tropical Observing System |
| PRC | Inc. |
| RITS | Radiatively Important Trace Substances |
| ICG | International Coordination Group |
| IRICP | International Research Center For Climate Prediction |
| NCC | National Climate Center |
| GWPA | Ground Water Protection Act |
| POC | Project Operations Center |
| ROPCOM | Remote OPCM |
| IWC | Ice Water Content |