...
1. Forecast system version
System name: CMCC-SPS3
First operational forecast run: 1st April, 2018
2. Configuration of the forecast model
Is it a coupled model? YES
Coupling frequency:
Atmosphere-Ocean: 90 minutes (every third timestep of atmospheric model)
Atmosphere-Land: 30 minutes (also timestep of atmospheric model)
Atmosphere-Sea Ice: 30 minutes (also timestep of atmospheric model)
(Better use more specific question? Here or elsewhere?)
2.1 Atmosphere and land surface
| Model | ||
|---|---|---|
| Horizontal resolution and grid | 1° lat-lon approx | |
| Atmosphere vertical resolution | 46 vertical levels | |
| Top of atmosphere | 0.2 hPa (60 km approx.) | |
| Soil levels | 10||
| Time step | 30 minutes
Detailed documentation:
CAM Model documentation http://www.cesm.ucar.edu/models/cesm1.2/cam/
More model details? (e.g. land surface model?)CLM Model documentation http://www.cesm.ucar.edu/models/cesm1.2/clm/
2.1 Ocean and cryosphere
| Ocean model | NEMO v3.4 | |
|---|---|---|
| Horizontal resolution | 1/4° | |
| Vertical resolution | 50 vertical levels | |
| Time step | 18 minutes||
| Sea ice model | CICE 4.0||
| Sea ice model resolution | 1/4° | |
| Sea ice model levels | 1 thicknes sonly||
| Wave model | NO | |
| Wave model resolution | N/A |
Detailed documentation: goto NEMO documentation
3. Initialization and initial condition (IC) perturbations
...
| Hindcast | Forecast | |||
|---|---|---|---|---|
| Atmosphere initialization | ERA Interim | ECMWF IFS operational analysis | ||
| Atmosphere IC perturbations | 10 | 10|||
Land Initialization | Forced (obs. atmosphere) monthly run initialized from 10-year spin-up | |||
| Land IC perturbations | 3 | 3|||
| Soil moisture initialization | From land initialization | From landinitialization | ||
| Snow initialization | From land initialization | From land initialization | ||
| Unperturbed control forecast? | NO | NO |
Detailed documentation:
For more DA details see ECMWF operational analysis documentation at: https://www.ecmwf.int/en/elibrary/16666-part-ii-data-assimilation
More DA details?
Data assimilation method for control analysis: ECMWF operational
Horizontal and vertical resolution of perturbation: N/Aperturbations: T42L91 SVs+ T399L137 EDA perturbations
Perturbations in +/- pairs: NO Yes
3.2 Ocean and cryosphere
| Hindcast | Forecast | |||||
|---|---|---|---|---|---|---|
| Ocean initialization | C-GLORSGlobal | |||||
| Ocean | 3D-VARC-GLORS Global Ocean 3D-VAR | Ocean IC perturbations | 4 | 8 | ||
| Unperturbed control forecast? | NO | NO
Detailed documentation:
More ocean data assimilation details available at http://c-glors.cmcc.it/index/index.html?
Source and treatment of SST? (Other data sources - altimetry?)
4. Model uncertainties perturbations:
| Model dynamics perturbations | NO||
|---|---|---|
| Model physics perturbations | NO||
If there is a control forecast, is it perturbed? | N/A |
Detailed documentation: N/A
5. Forecast system and hindcasts
| Forecast frequency |
|---|
| Forecast ensemble size |
|---|
| Hindcast years |
|---|
| Hindcast ensemble size |
|---|
| On-the-fly or static hindcast set? |
|---|
6. Other relevant information
...
7. Where to find more information
Sanna, A., A. Borrelli, P. Athanasiadis, S. Materia, A. Storto, S. Tibaldi, S. Gualdi, 2017: CMCC-SPS3: CMCC-SPS3: The CMCC Seasonal Prediction System 3. Centro Euro-Mediterraneo sui Cambiamenti Climatici. CMCC Tech. Rep. RP0285, 61pp. Available at adress:
...