World Meteorological Organization
World Meteorological Organization; WMO: meteorological organization that develops standard forms of meteorological documentation, terminology for weather forecasts, digital and letter codes, methods of transmitting meteorological information, deadlines for conducting weather observations, requirements for the accuracy of measurements of weather characteristics, instruments and equipment used for these purposes
Source: "GUIDELINES FOR THE EDUCATION AND TRAINING OF SPECIALISTS IN AVIATION METEOROLOGY. RD 52.21.703-2008"
(approved by Roshydromet on 12.09.2008)