| Acronym | Meaning |
| QNH | Quasi-nonhydrostatic Model |
| PACLAT | Pacific Latitudinal Distribution Of Photochemical Trace Species |
| FIFE II | First ISLSCP Field Experiment II |
| MOS | Marine Observation Satellite |
| ABS | Automatic Backup Shutdown |
| TDL | Tunable Diode Laser |
| AWS | Air Weather Service |
| MIMR | Multiband Imaging Microwave Radiometer |
| NEXUS | Next-generation Upper-air Sounding System |
| ICH | Inter-Union Commission On The Lithosphere |