| Acronym | Meaning |
| PPHM | Parts Per Hundred Million |
| WAMFLEX | Wave Momentum Flux Experiment |
| PRAIRE | Polarization Radar Illinois Rainfall Experiments |
| GWEN | Ground Wave Emergency Network |
| MHD | Magnetohydrodynamic |
| NASAO | National Association Of State Aeronautics And Organizations |
| GRID | Global Resource Information Database |
| ASIWPCA | Association Of State & Interstate Water Pollution Control Administrators |
| RDR | Radar |
| AVS EXPRESS | Upgraded Version Of The Application Visualization System |