The world meteorological day is a day, the world meteorological organization on March 23, time of the year. Of "the world meteorological day" every year to determine a theme, requires each member celebrations on this day, and the extensive publicity of the important role of meteorological work.

Former World Meteorological Organization that unofficial international Meteorological agency cooperation, in its member countries on behalf of the World Meteorological Organization treaty signed a year, from the date of March 23, 1951, was reorganized as the World Meteorological Organization (World Meteorological Organization, WMO), become the international climate cooperation between government agencies, and establish the relations with the United Nations.

In 1960, the world meteorological organization executive committee decided to take a year on March 23, as world day, requires each member celebrations on this day each year, and the extensive publicity of the important role of meteorological work.

World meteorological day every year have a central content, each member in this day according to the center of the content, carry out various forms of propaganda and commemorative activities, organize the masses to visit our meteorological offices and stations, to hold a government leaders to attend the celebration of the masses, organize meteorological instrument and equipment, pictures, charts, and data display, held a press conference, by the newspapers, radio stations and television stations reported feature articles and speeches, meteorological science films, commemorative stamps and so on

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“世界气象日”是世界气象组织成立的纪念日，时间在每年的3月23日。每年的“世界气象日”都确定一个主题，要求各成员国在这一天举行庆祝活动，并广泛宣传气象工作的重要作用。

国际气象组织原为非官方性国际气象合作机构，在其各成员国代表签订的世界气象组织公约生效一周年之日，即1951年3月23日，就改组为世界气象组织(World Meteorological Organization,WMO)，成为政府间的国际气象合作机构，并与联合国建立关系。

1960年世界气象组织执行委员会决定把每年3月23日定为世界性纪念日，要求各成员国每年在这一天举行庆祝活动，并广泛宣传气象工作的重要作用。

每年世界气象日都有一个中心活动内容，各成员国在这一天可根据当年的中心内容，开展多种形式的宣传和纪念活动，如组织群众到气象台站参观访问，举行有政府领导人参加的群众庆祝仪式，举办气象仪表装备、照片、图表和资料的展览，举行记者招待会，由报刊、广播电台、电视台报道特写文章和讲话，放映气象科学电影，发行纪念邮票等