| Acronym | Meaning |
 | WTWS | Windshear And Turbulence Warning System |
| MARC | Middle Atmosphere Responses To Changes |
| NSBF | National Scientific Balloon Facility |
| RUC | Rapid Update Cycle |
| SAR | Subcommittee On Atmospheric Research |
| KBYTE | Kilobyte (103) |
| PD | Positive Definite |
| AGFS | Aviation Gridded Forecast Systems |
| ASIS | American Society For Industrial Security |
| SCATT | Scatterometer |
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