| Acronym | Meaning |
| HRIR | High Resolution Infrared Radiometer |
| VISIT | Virtual Institute For Satellite Integration Training (NWS) |
| AO&SS | Atmospheric |
| EOS | Earth Observing System |
| MSG | Meteosat Second Generation |
| HIS | High-resolution Interferometer Sounder |
| ECMWF | European Centre For Medium-range Weather Forecasts |
| ABS | Advanced Baseline Sounder |
| FLAMBE | Fire Locating And Monitoring Of Burning Emissions |
| UFO | Unidentified Flying Object |