| Acronym | Meaning |
| INFOTERRA | International Environmental Research And Referral Service Of UNEP |
| WG/NGWR | Working Group For Next-Generation Weather Radar |
| JFSP | Joint Forecast System Project |
| FATS | Factory Acceptance Test Specification |
| WCIRP | World Climate Impacts And Response Strategies Program |
| DED | Data Element Directory |
| NNT | Nearest Neighbor Tool |
| ULTRIX | UNIX-based Operating System For Digital Equipment Corporation Computers |
| AML | Advanced Materials Laboratory |
| HESS | Health |