Meteorological models fry the circuits of the largest supercomputers.Feedback loops and anomalies turbocharge an ill-tempered debate about what will happen where and when.

• 气象模型在超级电脑的电路中飞快运转着，反馈环环相扣，各种异常现象使争论充满火药味，焦点问题是到底会发生什么样的状况，会在什么时间发生在什么地点。