| Acronym | Meaning |
| ARF | Aviation Route Forecast |
| CADRE | Center For Analysis Of Dynamics Of Atmospheric Regions |
| IR&D | Internal Research And Development |
| AWN | Aviation Weather Network |
| APEX | Advance Purchase Excursion |
| STJ | Subtropical Jet |
| PF | Performance Factor |
| ESIS | Earth Science Information System |
| ERDA | Energy Research And Development Administration |
| ACC | Abrupt Climate Change |