| Acronym | Meaning |
| AT | Abnormal Transient |
| AGFA | Advanced Gust Front Algorithm |
| FRD | Forecast Research Division |
| OSCAR | Oxidant-Scavenging Characteristics Of April Rains |
| FPA | Federal Pesticide Act |
| IADB | Interactive Ancillary Data Base |
| GPC | Global Processing Center |
| STS | Space Transportation System |
| PSOS | Profiler Surface Observing System |
| A&C | Abatement & Control |