| Acronym | Meaning |
| R | Rayleigh |
| AO | Abnormal Occurrence |
| UKMO | United Kingdom Meteorological Office |
| BSDI | Berkeley Software Design |
| IDNHR | International Decade Of Natural Hazard Reduction |
| SERI | Solar Energy Research Institute |
| SIGGRAPH | Special Interest Group On Graphics Of The Association Of Computing Machinery |
| GPO | Government Printing Office |
| EO-ICWG | Earth Observation International Coordination Working Group |
| TERAFLOPS | Trillions Of Arithmetic Operations Per Second |