| Acronym | Meaning |
| SEAC | (National Bureau Of) Standards Eastern Automatic Computer |
| NSSP | National Severe Storms Project |
| CCT | Computer-compatible Tape |
| BCWS | Budgeted Cost For Work Scheduled |
| IST | Instrument Support Terminal |
| DIG | DOE Interaction Group |
| AWS | Air Weather Service |
| NAR | Nonadvocacy Review |
| IGFA | Intergovernmental Funding Agency |
| NOPS | Nimbus Observations Processing System |