| Acronym | Meaning |
| CBB | Contract Budget Baseline |
| GMSA | Global Multivariate Statistical Analysis |
| PP | Parts Per |
| GCP | GEWEX Continental-Scale Project |
| HP | Horse Power |
| AMS | American Mathematical Society |
| IGPO | International GEWEX Program Office |
| DFS | Design And Fabrication Services |
| SDS | Solar Disk Sextant |
| REGCM2 | Regional Climate Model |