| Map |
Forecast range |
Parameter |
Normal |
| Ensemble mean |
first month, second month, third month, three months mean |
Northern Hemisphere |
60N-60S and Asia |
Northern Hemisphere |
60N-60S and Asia |
| Geopotential height and anomaly at 500hPa(Z500), Temperature and anomaly at 850hPa(T850), Sea level pressure and anomaly(PSEA) [Systematic error is removed.(Bias based on hindcast from 1981 to 2010.)] |
Geopotential height and anomaly at 500hPa(Z500), Sea level pressure and anomaly(PSEA), Stream function and anomaly at 200hPa(PSI200) and 850hPa(PSI850), Velocity potential and anomaly at 200hPa(CHI200), Precipitation and anomaly(RAIN), Temperature and anomaly at 2m(TS), Sea surface temperature and anomaly(SST) |
Model normals based on hindcast from 1981 to 2010 |
| Mask the ensemble mean with the area where Mean square skill score is negative |
Geopotential height and anomaly at 500hPa(Z500), Sea level pressure and anomaly(PSEA), Precipitation and anomaly(RAIN), Surface air temperature and anomaly(TS), Sea surface temperature and anomaly(SST) |
| Spread |
Geopotential height and anomaly at 500hPa(Z500), Temperature and anomaly at 850hPa(T850), Sea level pressure and anomaly(PSEA) |
Geopotential height and anomaly at 500hPa(Z500), Sea level pressure and anomaly(PSEA), Stream function and anomaly at 200hPa(PSI200) and 850hPa(PSI850), Velocity potential and anomaly at 200hPa(CHI200), Precipitation and anomaly(RAIN), Temperature and anomaly at 2m(TS) |