| Acronym | Meaning |
| FTOS | FGGE Tropical Observing System |
| AICHE | American Institute Of Chemical Engineers |
| GTMS | Global Thermospheric Mapping Study |
| AHF | Advanced Hadron Facility |
| HS | High Speed |
| AEN | Administrative Exception Note |
| FX-ALPHA | FSL X-window AWIPS-Like Prototype For Hydrometeorological Applications |
| DWB | Library |
| SCPP | Sierra Cooperative Pilot Project |
| UCARSOFT | UCAR Software |