| Acronym | Meaning |
| VAI | High Positive Vorticity |
| PSC | Polar Stratospheric Cloud |
| OASM | Operational Analysis Support Model |
| MAP | Mesoscale Alpine Project |
| DORIS | Determination D'Orbite Et Radiopositionement Integre Par Satellite |
| UGV | Unmanned Ground Vehicles |
| NAFTA | North American Free Trade Agreement |
| PRAIRE | Polarization Radar Illinois Rainfall Experiments |
| RO# | Rossby Number |
| KPP | K Profile Parameterization |