| Acronym | Meaning |
| NCMRWF | India's National Centre For Medium Range Weather Forecasting |
| TIROS | Thermal Infrared Observational Satellite |
| INU | Inertial Navigation Unit |
| IPU | Instrument Processor Unit |
| AFA | American Forestry Association |
| FDF | Flight Dynamics Facility |
| MSP | Minneapolis |
| STS | Seasonal Transition Simulation |
| PCRGA | Precipitation Chemistry |
| AO | Arctic Oscillation |