| Acronym | Meaning |
| WMO | World Meteorological Organization |
| IWC | Ice Water Content |
| ISWS | Illinois State Water Survey |
| RDF | Real-data Forecast |
| FODDAS | Four-Dimensional Data Assimilation Study |
| PAM-III | Portable Automated Mesonet Station |
| FASB | Financial Accounting Standards Board |
| BEJ | Best Expert Judgment |
| DSRS | Data Storage And Retrieval System |
| GLOBE | Global Learning And Observations To Benefit The Environment |