BackForward Variable: Wind speed (near surface)

Definition
Full name Wind speed (near surface)
Definition Speed of air at a known height above the surface which is to be specified in the metadata
Measuring Units m/s Uncertainty Units m/s
Horizontal Res Units km Vertical Res Units
Stability Units m/s (Stability /decade)

 

Comment:
Last modified: 2023-10-02
Applied in OSCAR/Space Gap Analysis: Yes
Classification
  • Domain: Atmosphere
    • Sub-domain: Basic atmospheric
      • Variable: Wind speed (near surface)
        • Measured in Layers:
          • Near Surface
  • Cross-cutting themes:

Requirements defined for Wind speed (near surface)  (10)

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
318 Wind speed (near surface) Near Surface 2.1 Global Numerical Weather Prediction and Real-time Monitoring 0.5 m/s
1.5 m/s
2 m/s
15 km
100 km
250 km
60 min
6 h
12 h
6 min
30 min
6 h
Global land firm 2009-02-10 John Eyre
319 Wind speed (near surface) Near Surface 2.1 Global Numerical Weather Prediction and Real-time Monitoring 0.5 m/s
1.5 m/s
2 m/s
15 km
100 km
250 km
60 min
6 h
12 h
6 min
30 min
6 h
Global ocean firm 2009-02-10 John Eyre
389 Wind speed (near surface) Near Surface 2.2 High-Resolution Numerical Weather Prediction 0.5 m/s
1 m/s
3 m/s
0.5 km
5 km
20 km
30 min
60 min
3 h
15 min
30 min
2 h
Global land firm 2011-08-04 T Montmerle
390 Wind speed (near surface) Near Surface 2.2 High-Resolution Numerical Weather Prediction 0.5 m/s
1 m/s
3 m/s
0.5 km
5 km
20 km
30 min
3 h
12 h
15 min
30 min
2 h
Global ocean firm 2011-08-04 T Montmerle
456 Wind speed (near surface) Near Surface 2.3 Nowcasting / Very Short-Range Forecasting 1 m/s
1.4 m/s
3 m/s
5 km
10 km
50 km
15 min
30 min
3 h
15 min
30 min
60 min
Global ocean firm 2013-04-08 P. Ambrosetti
764 Wind speed (near surface) Near Surface 2.8 Aeronautical Meteorology 0.2 m/s
0.5 m/s
1 m/s
5 sec
60 sec
2 min
5 sec
60 sec
2 min
Point firm 2014-03-31 J van der Meulen source: ICAO Annex 3, att A: "Mean surface wind" Speed: ± 0.5 m/s (1 kt) up to 5 m/s (10 kt) ± 10% above 5 m/s (10 kt)
768 Wind speed (near surface) Near Surface 2.5 Atmospheric Climate Monitoring 0.5 0.1 m/s
0.5 m/s
1 m/s
0.5
0.1 m/s
0.25 m/s
0.5 m/s
0.5
10 km
100 km
500 km
0.5
60 min
60 min
3 h
0.5
6 h
24 h
30 d
0.5
Global firm 2023-04-28 GCOS-245: The 2022 ECVs Requirements (GCOS-245) Requirements for uncertainty are specified at 2-sigma. Goal for temporal resolution is sub-hourly
455 Wind speed (near surface) Near Surface 2.3 Nowcasting / Very Short-Range Forecasting 1 m/s
1.4 m/s
3 m/s
1 km
5 km
20 km
5 min
15 min
60 min
5 min
15 min
60 min
Global land reasonable 2013-04-08 P. Ambrosetti
563 Wind speed (near surface) Near Surface Climate-OOPC (deprecated) 0.5 m/s
0.6 m/s
1 m/s
10 km
40 km
500 km
60 min
3 h
24 h
60 min
2 h
12 h
Global ocean reasonable 2007-07-19 OOPC