| Acronym | Meaning |
| ARI | Alternate Rod Insertion |
| AWIPS-90 | Advanced Weather Interactive Processing System For The 90's |
| NDC | National Data Center |
| APA | Allied Pilot's Association |
| AFA | American Forestry Association |
| JICA | Japan International Development Agency |
| STIWG | Satellite Telemtry Interagency Working Group |
| ABL | Atmospheric Boundary Layer |
| ERS-2 | European Remote Sensing |
| GTP | Geophysical Turbulence Program |