| Acronym | Meaning |
| RPG | Radar Product Generator |
| SWAP | Severe Weather Avoidance Program |
| ASIWPCA | Association Of State & Interstate Water Pollution Control Administrators |
| SPPS | System Plot Package Simulator |
| WSP | Winter Storm Program |
| SPC | Storm Prediction Center |
| HRSO | High Resolution Solar Observatory |
| UARC | Upper Atmosphere Research Corporation |
| IOC | International Ozone Commission |
| ASCOT | Atmospheric Studies In Complex Terrain |