In the light of the latest calculations of the American GFS meteorological model, it is clear that the beginning of the picnic will be pleasant, though moderately warm. Then more will work in the weather.
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The picnic will start in the weather in the sign of Petra's boom, which is now pushing over the northern Atlantic and Scandinavia. In the following days, it is to move south to break down all Western and Central Europe at the turn of April and May. Thanks to Petra, the aura will be pleasantly spring.