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1. Forecast system version
Identifier code: CFSv2
First operational forecast run: March 2011
2. Configuration of the forecast model
Is the model coupled to an ocean model? Yes
Coupling frequency: One hour
2.1 Atmosphere and land surface
| Model | NCEP Global Forecast System |
|---|---|
| Horizontal resolution and grid | T128 (~ 1x1 Deg Lat/Lon) |
| Atmosphere vertical resolution | 64 Levels (sigma-pressure hybrid coordinates) |
| Top of atmosphere | 0.02 hPa |
| Soil levels | Four |
| Time step | 20 minutes |
Detailed documentation:
2.2 Ocean and cryosphere
| Ocean model | GFDL MOM4 |
|---|---|
| Horizontal resolution | Spatial resolution in the zonal direction of 0.5° and in the meridional direction, 0.25° from 10°S to 10°N, progressively decreasing to 0.5° from 10° to 30°, and is fixed at 0.5° beyond 30° in both hemispheres. |
| Vertical resolution | 40 Layers |
| Time step | 1 hour |
| Sea ice model | GFDL Sea Ice Simulator (part of GFDL MOM4 ocean model) |
| Sea ice model resolution | |
| Sea ice model levels | |
| Wave model | Not Applicable |
| Wave model resolution | Not Applicable |
Detailed documentation:
3. Initialization and initial condition (IC) perturbations
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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 | ||
Land Initialization | ||
| Land IC perturbations | ||
| Soil moisture initialization | ||
| Snow initialization | ||
| Unperturbed control forecast? |
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| Forecast frequency | |
|---|---|
| Forecast ensemble size | |
| Hindcast years | |
| Hindcast ensemble size | |
| On-the-fly or static hindcast set? | |
| Calibration (bias correction) period |
6. Other relevant information
7. Where to find more information
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