| Acronym | Meaning |
| EU | European Union |
| WG/NGWR | Working Group For Next-Generation Weather Radar |
| TAR | Third Assessment Report |
| NREL | National Renewable Energy Laboratory |
| PMS | Particle Measuring Systems |
| SAFARI-2000 | The Southern African Regional Science Initiative |
| RAPB | Regional Analysis And Prediction Branch |
| ACC | Abrupt Climate Change |
| THERMEX | Thermal Wave Experiment |
| SRRS | Service Record Retention System |