Both historical and 60-year trend show Dutch winters are warming – these graphs tell you how, why – and what to expect

Falling snow flakes are humbling. Not just because of their beauty, but also because of their gentle ability to completely paralyse a developed and overpopulated country with traffic jams, clogged railroad switches and closed runways. But although that (together with … Continue reading

´Medieval Warm Period should simply be named Medieval Period´

There is climatology and there is paleoclimatology. And then there is something in between. You thought yesterday´s trip to the early Pleistocene was geologically speaking exactly that, a trip to yesterday? Well, in that case today we go only a … Continue reading

Today´s paradox: European cold winters associated with Arctic warming – and positive(!) AO

Warming in the Arctic would increase the chance of cold winters in Europe and parts of North America and Asia. There have now been three consecutive studies that reach this conclusion in as many years. That means it is about … Continue reading

No White Christmas over the European plains – we are sorry we were right

In the last two or three years high pressure blockades dominated the West European December months and many countries including the UK, the Netherlands and Germany could enjoy White Christmases. Christmas Day 2010: some lovely sunshine over a frozen and … Continue reading

Floods & La Niña: direct, indirect and other causes to heavy rains around the world

Extreme rainfalls and floods across different continents dominate the global news. A connection to La Niña has been suggested. But to what extent can the floods in Colombia, Venezuela, Brazil, Pakistan, Sri Lanka, Australia, the Philippines and north-western Europe be … Continue reading