| Acronym | Meaning |
 | ZTD | Zenith Tropospheric Signal Delay |
| ECAO | Environmental Criteria And Assessment Office |
| SDD | Systems Development Division |
| ACI | Automatic Closure And Interlock |
| MADIS | Meteorological Assimilation Data Ingest System |
| STS | Seasonal Transition Simulation |
| NRLSI | National Reference Library Of Science And Invention |
| MCV | Mesoscale Cyclonic Vortex |
| EAR | Export Administration Regulations |
| MAPS | Mesoscale Analysis And Prediction System |
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