| Acronym | Meaning |
| ASP | Astronomical Society Of The Pacific |
| NSIDC | National Snow And Ice Data Center |
| OCTA | Oxidizing Capacity Of The Troposphere Atmosphere |
| SCCM | Single-column CCM |
| BPA | Bonneville Power Administration |
| FSTC | Foreign Science & Technology Center |
| AWOS | Automated Weather Observing System |
| CBO | Congressional Budget Office |
| MOS | Marine Observation Satellite |
| UKMO | United Kingdom Meteorological Office |