MET information on these Web pages are

METAR Aerodrome routine meteorological report in METAR code form prescribed by the World Meteorological Organization.
TAF Aerodrome forecasts in TAF code form prescribed by the World Meteorological Organization.
AIRMET Information concerning the occurrence or expected occurrence of specified en-route weather phenomena which may affect the safety of low-level aircraft operations, in abbreviated plain language using approved ICAO abbreviations and numerical values.
SIGMET Information concerning the occurrence or expected occurrence of specified en-route weather phenomena which may affect the safety of aircraft operations, in abbreviated plain language using approved ICAO abbreviations and numerical values
GAMET An area forecast for low-level flights for a flight information region, in abbreviated plain language using approved ICAO abbreviations and numerical values.
SWL Chart Significant weather chart (low level) prepared as a combination of SIGWX phenomena forecast and of forecasts of upper wind and upper-air temperature.

Important note: MET information on these web pages are informative and restricted to aeronautical users, must not be used for any commercial purpose, and do not replace flight documentation.