| Acronym | Meaning |
| RDF | Real-data Forecast |
| AML | Acronym Master List |
| DGPS | Differential Global Positioning System |
| USFS | United States Forest Service |
| GST | GPS Science And Technology Program |
| D/A | Digital-to-analogue Conversion |
| MCCS | Mesoscale Convective Complexes |
| ICAR | International Cooperation In Aviation Research |
| USDI | United States Department Of Interior |
| WSR-88D | Weather Surveillance Radar ? 1988 |