| { |
| "description": "Meteomat shows probabilistic weather forecasts anywhere in the world. Instead of a single number, it shows a range of likely outcomes so you can see not just what is most likely, but how confident the forecast is.", |
| "sources": [ |
| { |
| "product": "ECMWF IFS Ensemble (EPS)", |
| "resolution_km": 18, |
| "members": 51, |
| "horizon_days": 7, |
| "type": "weather" |
| }, |
| { |
| "product": "ECMWF IFS HRES", |
| "resolution_km": 9, |
| "members": 1, |
| "horizon_days": 7, |
| "type": "weather" |
| }, |
| { |
| "product": "ECMWF Wave Model", |
| "resolution_km": 28, |
| "members": null, |
| "horizon_days": 7, |
| "type": "marine" |
| } |
| ], |
| "parameters": { |
| "uncertainty_band_pct": { |
| "low": 10, |
| "high": 90 |
| }, |
| "rain_threshold_mm": 0.1, |
| "rain_blend_hres_rain": { |
| "ensemble": 0.5, |
| "hres": 0.5 |
| }, |
| "rain_blend_hres_no_rain": { |
| "ensemble": 0.75, |
| "hres": 0.25 |
| } |
| }, |
| "limitations": [ |
| { |
| "id": "spatial_resolution", |
| "title": "Spatial resolution", |
| "body": "HRES at ~9 km and the ensemble at ~18 km cannot resolve sub-grid features such as valley-scale orography, urban heat islands, or small coastal inlets. Two nearby locations within the same grid cell will receive nearly identical forecasts." |
| }, |
| { |
| "id": "ensemble_calibration", |
| "title": "Ensemble calibration", |
| "body": "The ECMWF ensemble is one of the best-calibrated probabilistic forecast systems in the world, but calibration is not perfect. Stated probabilities are skill estimates, not guarantees." |
| }, |
| { |
| "id": "rainfall_uncertainty", |
| "title": "Rainfall uncertainty", |
| "body": "Precipitation is the hardest variable to forecast deterministically. The blending methodology is a pragmatic combination of two imperfect sources and should be interpreted with appropriate caution." |
| }, |
| { |
| "id": "sst_upwelling", |
| "title": "SST and upwelling", |
| "body": "The marine SST forecast does not account for wind-driven upwelling events, which are common along the Cantabrian coast of Spain and can cause surface temperatures significantly colder than the model suggests." |
| } |
| ], |
| "version": "2.0.1" |
| } |
|
|
