| Acronym | Meaning |
| LRE | Latest Revised Estimate |
| EMR | Electomagnetic Radiation |
| PCO | Polar Cap Observatory |
| PRECIP | Processing Of Emissions By Clouds And Precipitation |
| WET-MAP | Mesoscale Alpine Project |
| LIDAR | Light Detection And Ranging Instrument |
| SMA | Segnalamento Marittimo Ed Aereo |
| SCOR | Scientific Committee For Oceanographic Research |
| IAPSO | International Association Of Physical Sciences Of The Ocean |
| IIPS | Interactive Information And Processing Systems [for Meteorology |