| Acronym | Meaning |
| IV&V | Independent Verification And Validation |
| IFLOWS | Integrated Flood Observing And Warning System |
| AICE | American Institute Of Chemical Engineers |
| TSM | Theoretical Studies And Modeling |
| SSS | Software Segment Specification |
| NWSOP | National Winter Storms Operations Plan |
| RSA | Range Standardization And Augmentation Project |
| GEMPAK | General Meteorological Package |
| HIAPER | High-Performance Instrumented Airborne Platform For Environmental Research |
| PPMV | Parts Per Million By Volume |