| Acronym | Meaning |
| ICAO | International Civil Aviation Organization |
| DGPS | Differential Global Positioning System |
| CAPS | Center For The Analysis And Prediction Of Storms |
| SDVR | Single-Doppler Velocity Retrieval |
| ATRMD | Air |
| CCL | Convection Condensation Level |
| SVT | Simulated Variable Thickness |
| PRECP | Processing Of Emissions By Clouds And Precipitation |
| DSET | Desert Sunshine Exposure Testing |
| RAPTSTM WX | Research Applications Program Thunderstorm Weather |