Requirement #335 


For variable: Air pressure (near surface)

In application: High Res NWP

Goal Breakthrough Threshold
Uncertainty 0.5 hPa 0.6 hPa 1 hPa
Stability/decade (if applicable)
Horizontal Resolution 2 km 10 km 40 km
Vertical Resolution
Observing Cycle 30 min 60 min 3 h
Timeliness 15 min 30 min 2 h


Validated: 2/1/10 Source: T Montmerle
Comment: 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. Confidence: firm
Def: :Result of impact studies of actual data used in actual applications of numerical or conceptual models
  • Domain: Atmosphere
    • Subdomain: Basic atmospheric