Meteorologists believe this pressure jump is the mechanism responsible for storms and tornadoes.气象学家认为这一气压的突然升高是暴风雨和飓风形成的物理机制。The group meets every spring to chase tornadoes.该团体每年春天相聚去追逐龙卷风。One of the largest tornadoes ever seen was photographed near there.历来看到的最大的龙卷风之一就是在那附近被拍摄到的。