| Acronym | Meaning |
| HTO | Tritiated Water |
| RFC | River Forecast Center |
| AMTS | Advanced Moisture And Temperature Sounder |
| IP | Internet Protocol |
| FR | Federal Register |
| ASER | Annual Site Environmental Report |
| NPI | North Pacific Index |
| NESDIS | National Earth Satellite Data And Information System |
| AA | Accountable/activity Area |
| NIAR | National Institute For Atmospheric Research |