| Summary: | Early explorers and sealers took home from the Southern Ocean tales of tempests, huge waves and massive icebergs. Many recorded in their logbooks and narratives observations of wind, weather and sea state. Meteorological measurements were made on some early voyages but were often of doubtful quality. Not until the 1840s were reliable meteorological observations made near the Antarctic continent. During the First International Polar Year, observations were made near Cape Horn and on South Georgia. From 1899 onwards, bases were established on the Antarctic continent and meteorological observing programmes organized. Extremely strong winds were discovered. Data sets of climatological value became available and data from aloft were obtained. After the First World War, wireless telegraphy was used increasingly to broadcast observations from ships and shore bases to distant analysis centres. During the Second International Polar Year, thousands of meteorological observations were made aboard ships on the Southern Ocean. After the Second World War, the pace of progress quickened, especially during the International Geophysical Year. Research stations and the International Antarctic Analysis Centre were established. Weather satellites, automatic weather stations, global telecommunication networks and powerful computers revolutionized Antarctic meteorology and climatology.
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