The meteorological autumn may have started, but summer is still in full swing. A real late summer ensures several days with tropical temperatures. The RMI even announced code yellow for heat. And there may even be a heat wave in the making. That would be the first ever recorded. The person responsible for this warm weather (and the severe weather in Spain and Greece): an Omega blockade. But what exactly is this weather phenomenon? How common is this in Europe? And will it effectively cause the first ever heat wave in September? Weather and climate expert Samuel Helsen explains.
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