| Acronym | Meaning |
| AFWA | Air Force Weather Agency |
| CCM5 | Community Climate Model 5 |
| SPC | Small Particle Count (or Counter) |
| QJRMS | Quarterly Journal Of The Royal Meteorological Society |
| LOD2 | Lightweight Omega Digital Dropwindsonde |
| IPU | Instrument Processor Unit |
| IFC | Intensive Field Campaign |
| ARBI | Adjusted Running Book Inventory |
| NOGAPS | U.S. Navy Operational Global Atmospheric Prediction System |
| (ES) | Sporadic E |