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First operational forecast run: August 1 November 30, 20192021
2. Configuration of the forecast model
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| Model | GEM |
|---|---|
| Horizontal resolution and grid | 256×128 283×190 YY-grid points (~155 ~110 km) |
| Atmosphere vertical resolution | 79 85 levels |
| Top of atmosphere | 0.075 hPa |
| Soil levels | 2 |
| Time step | 60 30 minutes |
Detailed documentation: Lin, H., J. Merryfield; R. Muncaster; G. C. Smith; M. Markovic; F. Dupont; F. Roy; J.-F. Lemieux; A. Dirkson; V. V. Kharin; W.-S. Lee; M. Charron, and A. Erfani, 2020: The Canadian Seasonal to Interannual Prediction System Version 2 (CanSIPSv2), Weather and Forecasting. https://doi.org/10.1175/WAF-D-19-0259.1
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| Hindcast | Forecast | |
|---|---|---|
| Atmosphere initialization | ERA-interim5 | GEPS |
| Atmosphere IC perturbations | Random isotropic perturbations | Ensemble Kalman Filter |
Land Initialization | Off-line Surface Prediction System (SPS) forced by ERA-interim5 | SPS forced by the CCMEP analysis |
| Land IC perturbations | None | None |
| Soil moisture initialization | Off-line Surface Prediction System (SPS) forced by ERA-interim5 | SPS forced by the CCMEP analysis |
| Snow initialization | Off-line Surface Prediction System (SPS) forced by ERA-interim5 | SPS forced by the CCMEP analysis |
| Unperturbed control forecast? | none | none |
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| Model dynamics perturbations | None |
|---|---|
| Model physics perturbations |
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If there is a control forecast, is it perturbed? | No |
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| Forecast frequency | once a month |
|---|---|
| Forecast ensemble size | 10 |
| Hindcast years | 19801990-20102020 |
| Hindcast ensemble size | 10 |
| On-the-fly or static hindcast set? | static |
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