Acronym for METeorological Aerodrome Report. It is the primary observation code used in the United States to satisfy requirements for reporting surface meteorological data. Minimum reporting requirements includes wind, visibility, runway visual range, present weather, sky condition, temperature, dew point, and altimeter setting.
Meaning of METAR in English
Weather and meteorology English vocabulary. Английский словарь погоды и метеорологии . 2012