Such waves occur most frequently at stormy latitudes, where the storms tend to come in groups traveling in the same direction, with only short periods separating them.

• 这样的波浪在风暴生成的纬度带出现极为频繁。在那里风暴常常是成群出现的,它们沿着同一方向运动,彼此间相隔时间很短暂。