| Acronym | Meaning |
| CCIT | Comite Consultatife International De Telephonique Et Telegraphique |
| IQSY | International Years Of The Quiet Sun |
| CCSM-2 | Community Climate System Model ลก 2nd Generation |
| APLJHU | Applied Physics Laboratory John Hopkins University |
| AMPE | Automated Message Processing Exchange |
| SMIC | Study Of Man's Impact On Climate |
| ISWS | Illinois State Water Survey |
| IRIS | Italian Research Interim Stage |
| MPR | Advanced Microwave Precipitation Radiometer |
| NGM | Nested Grid Model |