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Kona storms (also called Kona lows) are a type of seasonal cyclone in the Hawaiian Islands, usually formed in the winter from winds coming from the westerly "kona" (normally leeward) direction.〔 They are mainly cold core cyclones, which places them in the extratropical cyclone rather than the subtropical cyclone category. Hawaii typically experiences two to three annually, which can affect the state for a week or more. Among their hazards are heavy rain, hailstorms, flash floods and their associated landslides, high elevation snow, high winds which result in large surf and swells, and waterspouts. ==Origin of term== Kona is a Hawaiian language term (related to similar words in other Polynesian languages) for the western (to southwestern) side of an island.〔(lookup of "Kona" ) on Hawaiian Dictionary〕 The Kona District for example on the Big Island of Hawaii still uses this name. Although normally dry and leeward, the traditional easterly (to northeasterly) tradewinds slacken and reverse during one of these cyclones. 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「Kona storm」の詳細全文を読む スポンサード リンク
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