| Acronym | Meaning |
| NEEDS | N/A |
| BEJ | Best Expert Judgment |
| CCR | California Code Of Regulations |
| PSC | Polar Stratospheric Cloud |
| MOTIF | N/A |
| IIASA | International Institute For Applied Systems Analysis |
| AA | Assistant Administrator |
| NH | Northern Hemisphere |
| JAWOP | Joint Automated Weather Observing Program |
| ARCNET | Attached Resource Computer Network |