| When was the current long-range forecast system implemented? | Jan. 2025 |
|---|---|
| Is it a coupled forecast system? | Yes |
| Is it a Tier-2 forecast system? | No |
| Atmospheric model resolution | T266 (about 45 km) , 56 vertical levels and the top level at 0.1 hPa |
| Ocean model (if applicable) | MOM5 with a 0.25° horizontal resolution, 50 vertical levels |
| Source of atmospheric initial conditions | ERA atmospheric analysis |
| Source of ocean initial conditions | CMA new coupled data assimilation (CDA) system |
| If Tier-2, what is the source of SST predictions? | N/A |
| Hindcast period | 2001-2020 |
| Ensemble size for the hindcasts | 21 ensemble members |
| How is the hindcast ensemble configured? | Combinations of SPPT and LAF |
| Ensemble size for the forecast | 21 ensemble members |
| How is the forecast ensemble configured? | Combinations of SPPT and LAF |
| Length of forecasts | 7 months |
| Data format | NetCDF |
| What is the latest date predicted anomalies for the next month/season become available? | Before 12th every month |
| How are the forecast anomalies constructed? | Remove the 20-yr monthly climatological mean |
| URL where forecast are displayed | the website is under construction |
| Point of Contact | bcc@cma.gov.cn |
