VABB Forecast Lab

UTC date Issue cycle (UTC)

Product

Short 9h Long 30h

ReadyChoose a supported cycle.

Issue-time data onlyNo future observations are used.

Modes: Stored historical evaluation · Recent issue-time inference · Issued TAF comparison

Model output

Generated TAF

Short 9h

Syntax status unavailable

Reference

Used only after inference for comparison.

Lexical comparison

Not operational accuracy.

Prevailing conditions

Timing is not modelled; values repeat by design.

Generated vs issued

MatchChangedUnavailable

Element	Generated	Issued	State

Read before use