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2007/02/28

Weekend Weather Proven True

A suspicion that haunted every hard working person (and photographers) for a long time has just been proven true: According to this (German) Spiegel article, the weather is reasonably worse on weekends than on weekdays. At least, that discovery is the result of a study conducted by two meteorologists from the university and science center in Karlsruhe.

According to the article (you can read a short abstract of the study in English here), this weather cycle is caused by man-made emissions from factories and cars, which is higher during the week than on weekends. Exhaust gases and aerosols accumulate in the atmosphere, forming clouds and accumulating water. By the end of the week and on Saturday, the cloud cover has reached its most dense state, and decreases slowly until Tuesday. Thus, the amount of rain is highest on Saturdays, while Tuesday is the day with the most sunny weather. The temperature difference between Wednesday and Saturday is 0.2 degrees Celsius. Doesn't sound much? Seem like it's enough anyway. Especially considering that this means that humanity is not just influencing climate on a global scale, but also locally and in much shorter time periods.

But also, think about this: The inversion of this argument would of course be that by reducing the amount of emissions, the weather on the weekend would effectively get better. Another good reason to Stop Global Warming.


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