Variable:
Air pressure (near surface)
Requirements defined for Air pressure (near surface) (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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 250 | Air pressure (near surface) | Near Surface | 2.1 Global Numerical Weather Prediction and Real-time Monitoring | 0.5 hPa 1 hPa 1 hPa |
15 km 100 km 500 km |
60 min 6 h 12 h |
6 min 30 min 6 h |
Global land | firm | 2009-02-10 | John Eyre | ||||||||||
| 251 | Air pressure (near surface) | Near Surface | 2.1 Global Numerical Weather Prediction and Real-time Monitoring | 0.5 hPa 1 hPa 1 hPa |
15 km 100 km 500 km |
60 min 6 h 12 h |
6 min 30 min 6 h |
Global ocean | firm | 2009-02-10 | John Eyre | ||||||||||
| 335 | Air pressure (near surface) | Near Surface | 2.2 High-Resolution Numerical Weather Prediction | 0.5 hPa 0.6 hPa 1 hPa |
2 km 10 km 40 km |
30 min 60 min 3 h |
15 min 30 min 2 h |
Global | firm | 2010-02-01 | T Montmerle | The increase of horizontal resolutions is justified by the fact that forecast errors of surface pressure in HR NWP models have larger horizontal correlations than the other classical variables. | |||||||||
| 721 | Air pressure (near surface) | Near Surface | 2.8 Aeronautical Meteorology | 0.25 hPa 0.5 hPa 2 hPa |
30 min 60 min 2 h |
5 min 10 min 30 min |
Point | firm | 2018-01-22 | J van der Meulen | At the aerodrome; to derive QNH [and QFE]; not typically measured at 2 m height. source: ICAO Annex 3 (requirements) | ||||||||||
| 775 | Air pressure (near surface) | Near Surface | 2.5 Atmospheric Climate Monitoring | 0.5 | 0.5 hPa 1 hPa 1 hPa 0.5 |
0.02 hPa 0.1 hPa 0.2 hPa 0.5 |
10 km 100 km 500 km 0.5 |
60 min 6 h 12 h 0.5 |
6 h 24 h 30 d 0.5 |
Global | firm | 2023-04-27 | GCOS-245: The 2022 ECVs Requirements (GCOS-245) | Requirements for uncertainty are specified at 2-sigma. | |||||||
| 67 | Air pressure (near surface) | Near Surface | Climate-AOPC (deprecated) | 0.5 hPa 0.65 hPa 1 hPa |
200 km 300 km 500 km |
3 h 6 h 24 h |
3 h 6 h 12 h |
Global land | reasonable | 2007-07-19 | AOPC | ||||||||||
| 68 | Air pressure (near surface) | Near Surface | Climate-AOPC (deprecated) | 0.5 hPa 0.65 hPa 1 hPa |
200 km 300 km 500 km |
3 h 6 h 24 h |
3 h 6 h 12 h |
Global ocean | reasonable | 2007-07-19 | AOPC |