| Acronym | Meaning |
 | EPC | Emergency Planning Commission |
| FEWS | Follow-on Early Warning System |
| ASTER | Atmosphere-Surface Turbulent Exchange Research Facility |
| PPMV | Parts Per Million By Volume |
| MAG | Magnetosphere Currents/Fields |
| DECUS | Digital Equipment Computer Users Society |
| PHS | Public Health Service |
| FT | Identification For An Aviation Terminal Forecast |
| (ES) | Sporadic E |
| NOGAPS | U.S. Navy Operational Global Atmospheric Prediction System |
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