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The islands of Hawaii, situated in the Pacific Ocean, rarely experience tornadoes, averaging about one per year. The state ranks as the 48th most active in terms of touch downs, with 40 confirmed tornadoes since 1950. None of these tornadoes have caused loss of life and none exceeded F2 intensity.〔 This list of tornadoes in the state is likely incomplete, as official records date back only to 1950 for tornadoes in the United States, and Hawaii did not become a state until August 1959. The costliest tornado occurred on January 28, 1971. Although the intensity of it is unknown, damages from the tornado were estimated at $2.5 million. The largest outbreak of tornadoes took place during a two-day span, starting on January 27, 1971 and ending the following day. During this event, three tornadoes were confirmed and two others were reported.〔〔 ==1950–1974== *March 19, 1955: Two tornadoes of unknown intensity touched down in Hawaii County. The first tornado tracked for roughly while the second was briefly on the ground. *January 21, 1957: A tornado of unknown intensity touched down in Honolulu County; it tracked for and caused an estimated $25,000 in damages. *February 28, 1963: a brief tornado with a width of touched down in Honolulu County, causing an estimated $25,000 in damages. *March 27, 1963: A brief tornado of unknown intensity touched down in Honolulu County, injuring one person and causing an estimated $25,000 in damages. *September 22, 1965: A brief tornado of unknown intensity touched down in Honolulu County. *April 22, 1967: A brief tornado of unknown intensity touched down in Maui, causing $2,500 in damages. *December 17, 1967: A tornado of unknown intensity touched down in Kauai; tracking for , the tornado caused an estimated $250,000 in damages. *January 27, 1971: The United States Weather Bureau reported that a tornado likely touched down on Oahu for roughly , causing $100,000 in damages. The tornado destroyed three barns and damaged 18 homes along its path, some of which were moved off their foundations. *January 28, 1971: A tornado of unknown intensity touched down in Honolulu County and tracked for , causing $250,000 in damages. A second, stronger tornado,〔 forming as a large waterspout, moved onshore〔 into Hawaii County, causing $2.5 million in damages and injured four people. The tornado struck the resort town of Kailua-Kona, overturning cars, some of which were blown into ditches,〔 uprooting trees and severely damaging buildings. Winds in the tornado were estimated to have exceeded , making it either a high-end F1 or low-end F2 tornado. In all, the tornado destroyed 21 buildings, including a six-story steel hotel.〔 Several buildings had their roofs torn off by the storm. On Maui, severe storms also caused flooding that forced the evacuation of numerous residents. Two other tornadoes were also reported during the day; however, it is unknown if they were confirmed.〔 *June 15, 1971: A tornado of unknown intensity touched down in Honolulu County; it tracked for and caused $25,000 in damages. *December 18, 1971: A tornado of unknown intensity touched down in Kauai and tracked for without causing damage. *December 31, 1971: A brief tornado of unknown intensity touched down in Kauai, causing no damage. *May 27, 1973: A brief F0 tornado touched down in Hawaii County without causing damage. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「List of Hawaii tornadoes」の詳細全文を読む スポンサード リンク
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