Variable:
Cloud top height
Requirements defined for Cloud top height (8)
This tables shows all related requirements. For more
operations/filtering, please consult the full list of
Requirements
Note: In reading the values, goal is marked blue,
breakthrough green, threshold orange
Application-dependent Technical Priority (ATP) Magenta and Relative priority of the attributes Red
| Id | Variable | Layer | App Area | ATP | Uncertainty | Layer/s Quality | Coverage Quality | Stability / decade | Hor Res | Ver Res | Obs Cyc | Timeliness | Coverage | Conf Level | Val Date | Source | General Comment | Application Area Comment | Horizontal Coverage Comment | Observation Comment | Performance Comment |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 85 | Cloud top height | n/a (2D) | Climate-AOPC (deprecated) | 0.5 km 1 km 2 km |
100 km 200 km 500 km |
3 h 4 h 6 h |
3 h 6 h 12 h |
Global | firm | 2007-07-19 | AOPC | Accuracy should be 5hPa (10hPa - Min). Hansen et al. (1995) in T.R. Karl (Ed.) 1995 Long term climate monitoring by the Global Climate Observing System. Kluwer. Also, Climatic Change 31, Nos. 2-4. | |||||||||
| 270 | Cloud top height | n/a (2D) | 2.1 Global Numerical Weather Prediction and Real-time Monitoring | 0.2 km 0.5 km 1 km |
5 km 15 km 50 km |
60 min 3 h 12 h |
6 min 30 min 6 h |
Global | firm | 2009-02-10 | John Eyre | ||||||||||
| 354 | Cloud top height | n/a (2D) | 2.2 High-Resolution Numerical Weather Prediction | 0.2 km 0.5 km 1 km |
0.5 km 2 km 10 km |
15 min 30 min 3 h |
15 min 30 min 2 h |
Global | firm | 2011-08-04 | T Montmerle | ||||||||||
| 979 | Cloud top height | Forecasting Atmospheric Composition | 0.2 km 1 km |
3 h 30 d |
3 h 12 h |
Global | firm | 2022-07-26 | GAW Expert Team on Atmospheric Composition Network Design and Evolution | ||||||||||||
| 980 | Cloud top height | 2.6 Atmospheric Composition Forecasting and Monitoring | 0.2 km 1 km |
3 h 30 d |
3 h 12 h |
Global | firm | 2022-07-27 | GAW Expert Team on Atmospheric Composition Network Design and Evolution | ||||||||||||
| 1002 | Cloud top height | 2.5 Atmospheric Climate Monitoring | 0.5 | 0.3 km 0.6 km 1.2 km 0.5 |
0.03 km 0.06 km 0.12 km 0.5 |
25 km 100 km 500 km 0.5 |
60 min 24 h 30 d 0.5 |
60 min 3 h 12 h 0.5 |
Global | firm | 2023-04-27 | GCOS-245: The 2022 ECVs Requirements (GCOS-245) | Requirements for uncertainty are specified at 2-sigma. | ||||||||
| 4 | Cloud top height | n/a (2D) | CLIC (deprecated) | 0.5 km 0.7 km 1 km |
100 km 200 km 500 km |
12 h 15 h 24 h |
24 h 30 h 2 d |
Global | reasonable | 1998-10-29 | WCRP | ||||||||||
| 431 | Cloud top height | n/a (2D) | 2.3 Nowcasting / Very Short-Range Forecasting | 0.1 km 0.3 km 1 km |
1 km 5 km 15 km |
5 min 15 min 60 min |
5 min 10 min 30 min |
Global | reasonable | 2013-04-08 | P. Ambrosetti |