| Acronym | Meaning |
| FORTELL | Not An Acronym |
| GTG | GARP Task Group |
| GLA | Goddard Laboratory Of The Atmospheres |
| ETA | A Vendor Of Supercomputers And Associated Software |
| IMPROVE II | Improvement Of Cloud & Precipitation Physics In Mesoscale Models ? 2nd Generation |
| NAPAP | National Acid Precipitation Assessment Program |
| AG | Alternating Gradient |
| B SCALE | Synoptic Scale Ranging From 100 To 1 |
| FAPS | Freedom Attached Payloads |
| ATSD | Assistant To The Secretary Of Defense |