The 1951 Hawaii cyclone was an unusual system in the central Pacific Ocean. The system first formed from a warm-core kona storm. It acquired tropical characteristics, and the Joint Typhoon Warning Center (JTWC) began tracking the storm on March 21. It had winds of , as it headed away from Hawaii. Then, on March 23, the storm turned south and began to head toward Hawaii. It later made its first landfall near Hauula. It crossed the island of Oahu southward, and later traveled back north to the island. The system made its second landfall near Mākaha, and scraped the northwestern coast of the island. The storm turned west and later made its last landfall near Kealia on the island of Kauai. The storm dissipated eighteen hours later, on March 30. In the Hawaiian Islands, tropical storm warnings