Weather forecasts often change daily and even hourly. And depending on which channel you watch on TV or which app you use on your mobile phone, there are immense differences for the same day. However, it is not the inability of the meteorologists but the “chaotic system” atmosphere that is to blame for the deviations or even false predictions. “Physical properties such as temperature, humidity or cloudiness change constantly,” explain scientists from the Karlsruhe Institute of Technology (KIT). It can happen that thunderstorms, sun, cold and heat follow each other on one day – like the weather this May.
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