Before any flight the pilot in command is required to obtain and interpret actual and forecast weather. These are available in TAF (forecast) and METAR (actual) reports.
Reading these reports isn't very difficult. It takes some time to be able to read these encrypted abbreviations but you will get used to it very quickly. The manual below will help you with that learning process.
In November 2008 changes came into effect to the TAF format, see below. These changes were internationally accepted.
These changes are being made to comply with the format specified by the International Civil Aviation Organization (ICAO). Most of these changes are due to the world-wide introduction of a TAF with a 30 hour validity period to assist in flight planning for those aerodromes required by long-haul operators.
To continue reading see the pdf below: