| Acronym | Meaning |
| GN | Ground Network |
| WVF | Water Vapor Flux |
| PPU | Peripheral Processor Unit |
| ESSL | Earth & Sun Systems Laboratory (formerly ATD) |
| SPAR | Spaceborne Rawinsonde |
| SBF | Scientific Balloon Facility |
| CAOS | Center For Atmosphere/Ocean Studies |
| GDPS | Global Data Processing System |
| ESAD | Earth Science And Applications Division |
| MCS | Mesoscale Convective System |