duty meteorologist checks the accuracy of automatic measurements;
countless inaccuracies are observed during periods of torrential
rainfall or drifting snow, the rain gauges underestimating the
precipitation. Every three hours he looks out at the clouds,
the weather type and the visibility.
Apart from observations at specified times, messages have to
be sent off as soon as a palpable deterioration in the weather
can be felt ; snowstorms, increasing wind speed
This is known as old style meteorology.
The automatic station lets us receive all kinds of satellite
images and radar information, as well as the specialised maps
needed to send out forecasts on a telecommunications network
hour, information gathered by all the world's meteorological
stations or from satellites, weather balloons and marine buoys
are gathered at Toulouse. The weather is analysed and maps
indicating anticyclones, depressions and fronts crossing Europe
are drawn up from this data...