| Acronym | Meaning |
| CCEA | Center For Climatic And Environmental Assessment |
| FFDCA | Federal Food, Drug, And Cosmetic Act (US) |
| GRAF | Gridded Representation Of Analyses And Forecasts |
| AC | Actual Commitment |
| IDB | Immediate Direct Broadcast |
| ICMSSR | Interagency Committee For Meteorological Services And Supporting Research |
| ACRT | Aircraft Report |
| SIRS | Social Issues Resources Services |
| GTG | GARP Task Group |
| RAS | Retrospective Analysis System |