Last Updated：2025/12/08
A weather system that was a tropical cyclone but has moved out of the tropics, typically losing the eyewall and symmetrical cloud pattern but still having considerable potential for severe weather.
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ex-tropical cyclone
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Source Word
ex-tropical cyclone
Noun
Japanese Meaning
かつて熱帯低気圧であった気象システムが熱帯圏を離れ、通常は眼壁や対称的な雲配置を失うものの、依然として激しい天候を引き起こす可能性のある現象
（ plural ）
