Assertion: hurricane | /r/HasProperty | indicated by the cooling cloud tops
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text: By September 19, an upper-level anticyclone was well established over Georges and satellite pictures suggested that the hurricane was beginning to strengthen rapidly, as indicated by the cooling cloud tops, increased symmetry of the deep convection, and the warming and contracting of the well-defined 40 mi (63 km) wide eye as rapid intensification continued, and Georges peaked at a very dangerous and a high-end Category 4 storm with 155 mph (250 km/h) wind and a 937 minimal pressure late on September 19 and early September 20.