Terminal Aerodrome Forecast is Moreover, TAF format is not exactly the same in all countries. Not different enough for people to have problems understanding it, but different enough to make implementing a universal parser very hard, if not impossible. United Stated civil airports produce the most machine friendly and standardized reports and those are the most likely to be interpreted correctly. Effort was made to interpret European Union civil airport reports properly, but they exhibit more regional variations, so the interpretation may be incomplete. Remember that the interpretation is provided for information purposes only and should not be used for flight planning (at least not without inspecting the original undecoded report).