WMO code forms (FM 15-X Ext: METAR and FM 16-X Ext: SPECI) consisting of abbreviations, contractions, numbers, plain language, and symbols to provide a uniform means of disseminating surface weather reports:
METAR/SPECI CODE
Meaning of METAR/SPECI CODE in English
Weather and meteorology English vocabulary. Английский словарь погоды и метеорологии . 2012