| Acronym | Meaning |
| DUDFCD | Denver Urban Drainage And Flood Control District |
| POP | Probability Of Precipitation |
| NAT | Nitric Acid Trihydrate |
| ESSC | Earth System Science Committee |
| PSI | Plan Shear Indicator |
| ADSB | Advanced Display Systems Branch |
| GNSS | Ground Network Scheduling System |
| AFGL | Air Force Geophysics Laboratory |
| FLOP | Floating Point Operations |
| GPO | Government Printing Office |