| Acronym | Meaning |
![](file.png) | API | Absolute Position Indication |
![](file.png) | BAC | Biosphere-Atmosphere Chemistry |
![](file.png) | AFPS | AWIPS Forecast Preparation System |
![](file.png) | ESSIS | Earth System Science Information System |
![](file.png) | AMS | American Mathematical Society |
![](file.png) | AGFA | Advanced Gust Front Algorithm |
![](file.png) | ACSH | American Council On Science & Health |
![](file.png) | ADO | Associate Director For Operations |
![](file.png) | ATLAS | Atmospheric Laboratory For Applications And Science |
![](file.png) | IRI | International Research Institute For Climate Prediction |