The building of the Hydrometeorological Center in Moscow. Meteorological stations in various regions of the USSR. Meteorologists at work: they record instrument readings, launch radiosondes, receive information from ships, airplanes, and a weather satellite. Teletype hall of the Hydrometeorological Center; hall of electronic computers; operators work. Synoptic maps compiled automatically. Fishing vessels in the Pacific Ocean change course after receiving information - a warning of an impending storm.