Requirement #442 


For variable: Precipitation intensity at surface (liquid or solid)

In application: Nowcasting / VSRF

Goal Breakthrough Threshold
Uncertainty 0.1 mm/h 0.3 mm/h 1 mm/h
Stability/decade (if applicable)
Horizontal Resolution 1 km 5 km 30 km
Vertical Resolution
Observing Cycle 5 min 10 min 60 min
Timeliness 5 min 10 min 30 min


Validated: 4/3/13 Source: P. Ambrosetti
Comment: Over populated area and close to rivers requirements are more strict than elsewhere. Confidence: reasonable
Def: :Not firm, but based on a strong heritage of experiments with similar data