| Acronym | Meaning |
| EDUCOM | A Consortium Of Industrial Organizations And University Computing Administrators |
| UNEP | United Nations Environment Programme |
| NAOS | North American Observing System |
| USIC | UCAR Space Implementation Committee |
| O/I | Optimal Interpolation |
| SST | Scalable Spectral Tool |
| SPC | Storm Prediction Center |
| AIX | Advanced Interactive Executive |
| ALADIN | Atmospheric Laser Doppler Instrument |
| NSTP | National Solar Terrestrial Program |