See the list of tropical cyclone records for individual records set by individual tropical cyclones. Banana crops are vulnerable to destruction by high winds, such as tropical storms or cyclones. Most summer rainfall occurs during thunderstorms and from occasional tropical cyclones. The five largest Atlantic tropical cyclones on record have been Cape Verde-type hurricanes. South Carolina is also prone to tropical cyclones and tornadoes. Explosive development of extratropical cyclones can be sudden. They were also helpful in monitoring storms at sea, such as tropical cyclones. The wet season is associated with tropical cyclones and monsoon rains. Typhoon Hagibis became one of the costliest tropical cyclones in Japanese history. These are known as baroclinically induced tropical cyclones. Eleven of the twelve designated cyclones attained tropical storm status. Tropical cyclogenesis describes the process of development of tropical cyclones. Eyewall mesovortices are most common during periods of intensification in tropical cyclones. Thirteen of the fifteen designated cyclones attained tropical storm status. Chittagong is vulnerable to North Indian Ocean tropical cyclones.