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| Hindcast | Forecast | |
|---|---|---|
| Atmosphere initialization | Every 5th day of the calendar month from Climate Forecast System Reanalysis (CFSR) | Everyday from Climate Forecast System Reanalysis (CFSR) |
| Atmosphere IC perturbations | Forecasts are initialized from each 6 hourly analysis cycle. No additional perturbations are added to the analysis. | Same as for the hindcast. |
Land Initialization | From the Climate Forecast System Reanalysis (CFSR) | From the Climate Forecast System Reanalysis (CFSR) |
| Land IC perturbations | No explicit perturbations added. | No explicit perturbations added. |
| Soil moisture initialization | From the Climate Forecast System Reanalysis (CFSR) | No explicit perturbations addedFrom the Climate Forecast System Reanalysis (CFSR) |
| Snow initialization | From the Climate Forecast System Reanalysis (CFSR) | No explicit perturbations added. From the Climate Forecast System Reanalysis (CFSR) |
| Unperturbed control forecast? | None | None |
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