Requirement #781 

Values

For variable: Wind (horizontal)

In application: 2.5 Atmospheric Climate Monitoring

Application-dependent Technical Priority: 0.5

Goal Breakthrough Threshold Priority
Uncertainty 0.5 m.s-1 3 m.s-1 5 m.s-1 0.5
Layer/s Quality
Coverage Quality
Stability/decade (if applicable) 0.1 m.s-1 0.3 m.s-1 0.5 m.s-1 0.5
Horizontal Resolution 15 km 100 km 500 km 0.5
Vertical Resolution 0.01 km 0.1 km 0.5 km 0.5
Observing Cycle 30 min 60 min 12 h 0.5
Timeliness 6 h 18 h 2 d 0.5

 

Validated: 4/28/23 Source: GCOS-245: The 2022 ECVs Requirements (GCOS-245)
General Comment: Requirements for uncertainty are specified at 2-sigma. Confidence: firm
Def: :Result of impact studies of actual data used in actual applications of numerical or conceptual models
Application Area Comment: Horizontal Coverage Comment:
Observation Comment: Goal for vertical resolution is 1m for the lowermost part of the boundary layer (up to 100 m above the ground) Breakthrough for vertical resolution is 10m for the lowermost part of the boundary layer (up to 100 m above the ground) Goal for temporal is 1 min for the lowermost part of the boundary layer (up to 100 m above the ground) Performance Comment:
Specifications
  • Domain: Atmosphere
    • Subdomain: Basic atmospheric
      • Variable: Wind (horizontal)
        • Applicable (vertical) layers:
          • PBL
        • Horizontal Coverage: Global