Requirement #790 


For variable: Relative humidity

In application: Climate Monitoring (GCOS)

Goal Breakthrough Threshold
Uncertainty 5 %
Stability/decade (if applicable) 0.3 %
Horizontal Resolution 100 km 200 km
Vertical Resolution 2 km
Observing Cycle 24 h


Validated: 9/25/19 Source: GCOS-200: The Global Observing System for Climate: Implementation Needs (Published 2016)
Comment: Requirements in the GCOS-200 IP, Annex A, are only specified at the goal level. Confidence: reasonable
Def: :Not firm, but based on a strong heritage of experiments with similar data
  • Domain: Atmosphere
    • Subdomain: Basic atmospheric
      • Variable: Relative humidity
        • Applicable (vertical) layers:
          • UTLS
        • Horizontal Coverage: Global