Artificial Intelligence Forecasting System Single model (AIFS Single)
Table 1: Key characteristics of the AIFS Single based on AIFS Single v1
| Forecast / Analysis | Number of members | Horizontal resolution | Vertical levels (hPa) | Pressure at model top (hPa) | Perturbation models | |
|---|---|---|---|---|---|---|---|
Atmospheric Model | Forecast
| 1 |
| 13(3) | 50 hPa | No | |
Artificial Intelligence Forecasting System Ensemble model (AIFS ENS)
Table 2: Key characteristics of the AIFS ENS based on AIFS ENS v1
| Forecast / Analysis | Number of members | Horizontal resolution | Vertical levels | Pressure at model top (hPa) | Perturbation models | |
|---|---|---|---|---|---|---|---|
ENS | Forecast
| 50+1 |
| 13(3) | 50 hPa | Yes(4) | |
(1) Native: as produced by the model on reduced Gaussian grids or spherical harmonics.
(2) Interpolated to lat/lon
(3) Pressure levels: 50, 100, 150, 200, 250, 300, 400, 500, 600, 700, 850, 925, 1000 (hPa)
(4) in analysis and model noise embedding