| Acronym | Meaning |
| CCD | Conference Of The Committee On Disarmament |
| SR | Steradian |
| UIPPA | See IUPAP |
| CCM3 | Community Climate Model Version 3 |
| METAR | Meteorological Aviation Reports |
| ACL | Alternative Concentration Level/limit |
| NAOS | North American Observing System |
| UNIX | A Computer Operating System Developed By AT&T And Modified Extensively By The University Of California At Berkeley |
| CAPS | Center For The Analysis And Prediction Of Storms |
| NPN | NOAA Profiler Network |