Requirement #765 

Values

For variable: Wind vector (near surface)

In application: Aeronautical Meteorology

Goal Breakthrough Threshold
Uncertainty 0.4 m/s 0.7 m/s 2 m/s
Stability/decade (if applicable)
Horizontal Resolution
Vertical Resolution
Observing Cycle 5 sec 60 sec 2 min
Timeliness 5 sec 60 sec 2 min

 

Validated: 2014-03-31 Source: J van der Meulen
Comment: source: ICAO Annex 3 Att A: "Mean surface wind" Direction: ± 10° Speed: ± 0.5 m/s (1 kt) up to 5 m/s (10 kt) ± 10% above 5 m/s (10 kt) (not formulated into vector values) combination of absolute and relative uncertainty Confidence: firm
Def: :Result of impact studies of actual data used in actual applications of numerical or conceptual models
Specifications
  • Domain: Atmosphere
    • Subdomain: Basic atmospheric