Ireland and the United Kingdom are bracing for Storm Éowyn. The Irish weather service has already declared a code red for the entire country due to the devastating winds and warns of a life-threatening situation. The fact that this storm is already being described as ‘one of the heaviest storms ever for Ireland’ is partly due to the fact that this is a ‘bomb cyclone’. But what is that? Is it as serious as it sounds? And is it common in Europe? HLN science journalist Martijn Peters explains everything about this rare weather phenomenon.

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