This did not change until 1973 with the installation of a new computer, increasing processing power of the Weather Centre greatly, leading to forecasts twice as accurate as earlier ones. Satellite photography was available from 1964, but was of a poor quality and was given on paper, with the coastline etched in felt-tip pen. In 1962, the installation of a fax machine and an electronic computer in the Met Office led to more accurate and quicker forecasting. Radio forecasters were chosen by a BBC audition from the forecasters at the London Weather Centre. The London Weather Centre which opened in 1959 took the responsibility for the national radio weather broadcasts. The forecasts were presented by the same person who had composed them, and had relatively low accuracy. At that point, the maps were drawn by hand in the London Weather Centre, before being couriered across London. In an in-vision the narrator stands in front of the map. On 11 January 1954, the first in-vision weather forecast was broadcast, presented by George Cowling.
The map filled the entire screen, with an off-screen announcer reading the next day's weather.
In 1936, the BBC experimented with the world's first televised weather maps, brought into practice in 1949 after World War II. The first BBC weather forecast was a shipping forecast, broadcast on the radio on behalf of the Met Office on 14 November 1922, and the first daily weather forecast was broadcast on 26 March 1923. George Cowling presented the first in-vision forecast on 11 January 1954.
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