| Acronym | Meaning |
| PV | Potential Vorticity |
| WET-MAP | Mesoscale Alpine Project |
| ITU | International Telecommunications Union |
| EFI | Enrico Fermi Institute |
| ATRAD | Detailed Atmospheric Radiation Model |
| AOS | Archive And Operations System |
| AGASP | Arctic Gas And Aerosol Sampling Program |
| WLCE | White Light Coronagraph Experiments |
| NWRC | National Weather Records Center |
| PRUDENCE | Prediction Of Regional Scenerios And Uncertainties For Defining European Climate Change Risks And Effects |