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The same grammar, in the future tense.
Also known as: Terminal aerodrome forecast, Aviation forecast code
The international code forecasting aerodrome weather over a stated period.
Forecasts aerodrome weather for a stated period in coded groups.
Contexts: Technical drawing, Public information
Reuses the observation code's grammar and adds change groups, so a reader who can read one can read the other — the forecast is the observation code plus a tense.
Contexts: Technical drawing, Public information
A line of groups following the observation code's order, prefixed by a validity period and broken by change groups naming when conditions are expected to alter.
The forecast code reuses the observation code's group order and adds change groups.