Variable:
Specific humidity
Requirements defined for Specific humidity (13)
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 21 | Specific humidity | PBL | 2.8 Aeronautical Meteorology | 5 % 7 % 10 % |
50 km 70 km 100 km |
0.15 km 0.3 km 0.6 km |
60 min 90 min 3 h |
60 min 90 min 2 h |
Global | firm | 2014-03-27 | J van der Meulen | |||||||||
| 110 | Specific humidity | MUS M |
Climate-AOPC (deprecated) | 2 % 5 % 20 % |
50 km 100 km 200 km |
2 km 3 km 5 km |
3 h 4 h 6 h |
7 d 14 d 60 d |
Global | firm | 2007-07-19 | AOPC | Signal sizes in section 3.3.7 of N. Nicholls et al. 1996 Observed Climate Variability and Change. Chapter 2 of Climate Change 1995 (IPCC Second Assessment). support this need. | ||||||||
| 111 | Specific humidity | FT | Climate-AOPC (deprecated) | 2 % 5 % 20 % |
20 km 50 km 100 km |
0.1 km 0.5 km 2 km |
3 h 4 h 6 h |
7 d 14 d 60 d |
Global | firm | 2007-07-19 | AOPC | Signal sizes in section 3.3.7 of N. Nicholls et al. 1996 Observed Climate Variability and Change. Chapter 2 of Climate Change 1995 (IPCC Second Assessment). support this need. | ||||||||
| 112 | Specific humidity | UTLS | Climate-AOPC (deprecated) | 2 % 5 % 20 % |
50 km 100 km 200 km |
2 km 2.5 km 3 km |
3 h 4 h 6 h |
7 d 14 d 60 d |
Global | firm | 2007-07-19 | AOPC | Signal sizes in section 3.3.7 of N. Nicholls et al. 1996 Observed Climate Variability and Change. Chapter 2 of Climate Change 1995 (IPCC Second Assessment). support this need. | ||||||||
| 113 | Specific humidity | PBL | Climate-AOPC (deprecated) | 2 % 4 % 15 % |
10 km 15 km 25 km |
3 h 4 h 6 h |
7 d 14 d 60 d |
Global | firm | 2007-07-19 | AOPC | Signal sizes in section 3.3.7 of N. Nicholls et al. 1996 Observed Climate Variability and Change. Chapter 2 of Climate Change 1995 (IPCC Second Assessment). support this need. | |||||||||
| 192 | Specific humidity | MUS UTLS FT PBL M |
Atmospheric Chemistry (deprecated) | 5 % 8 % 20 % |
50 km 100 km 500 km |
1 km 1.7 km 5 km |
12 h 24 h 3 d |
3 d 4 d 7 d |
Global | firm | 2002-05-24 | GAW Report No. 159 | Atmos dynamics, Rad clim, Ozone chem, 5% RH | ||||||||
| 303 | Specific humidity | PBL | 2.1 Global Numerical Weather Prediction and Real-time Monitoring | 2 % 5 % 10 % |
15 km 50 km 250 km |
0.3 km 1 km 3 km |
60 min 6 h 12 h |
6 min 30 min 6 h |
Global | firm | 2009-02-10 | John Eyre | Uncertainty: 5% in RH | ||||||||
| 378 | Specific humidity | FT | 2.2 High-Resolution Numerical Weather Prediction | 2 % 5 % 10 % |
2 km 10 km 30 km |
0.3 km 0.4 km 1 km |
15 min 60 min 6 h |
15 min 30 min 2 h |
Global | firm | 2011-07-29 | T Montmerle | |||||||||
| 379 | Specific humidity | PBL | 2.2 High-Resolution Numerical Weather Prediction | 2 % 5 % 10 % |
0.5 km 5 km 20 km |
0.1 km 0.2 km 1 km |
15 min 60 min 6 h |
15 min 30 min 2 h |
Global | firm | 2011-07-29 | T Montmerle | |||||||||
| 448 | Specific humidity | FT | 2.3 Nowcasting / Very Short-Range Forecasting | 5 % 8 % 20 % |
5 km 15 km 50 km |
0.1 km 0.5 km 2 km |
15 min 30 min 60 min |
10 min 20 min 60 min |
Global | firm | 2013-04-03 | P. Ambrosetti | Accuracy 10% in RH | ||||||||
| 704 | Specific humidity | PBL | 2.3 Nowcasting / Very Short-Range Forecasting | 2 % 5 % 10 % |
5 km 10 km 50 km |
0.1 km 0.3 km 1 km |
5 min 10 min 60 min |
5 min 10 min 60 min |
Global | reasonable | 2013-04-25 | P. Ambrosetti | For derivation of atmospheric stability index Accuracy 5% in RH | ||||||||
| 302 | Specific humidity | FT | 2.1 Global Numerical Weather Prediction and Real-time Monitoring | 2 % 5 % 10 % |
15 km 50 km 250 km |
0.3 km 0.5 km 1 km |
60 min 6 h 12 h |
6 min 30 min 6 h |
Global | tentative | 2020-03-30 | Masahiro Kazumori (PoC GNWP) | Uncertainty: 5% in RH |