| Acronym | Meaning |
| RANN | Research Applied To National Needs |
| DOPLIGHT | Doppler And Lightning Program |
| GMD | Geometric Mean Diameter |
| CAS | Cooperative Application Satellite |
| APR | Automatic Pressure Relief |
| MECCA | Model Evaluation Consortium For Climate Assessment |
| CCPR | Coherent Cloud Physics Radar |
| HIGH-SLIP | Or High Slip |
| JAROS | Japan Resources Observation System Organization |
| MAPS | Mesoscale Analysis And Prediction System |