学会誌「自然災害科学」

1999年台風18号に伴う気象の特徴と山口県における強風・高潮災害

Meteorological Characteristics During Typhoon 9918 (Bart) and the Gust and Storm Surge Disasters in Yamaguchi Prefecture

山本 晴彦*・岩谷 潔**・鈴木 賢士*・早川 誠而*・鈴木 義則***

Haruhiko YAMAMOTO*, Kiyoshi IWAYA**, Kenji SUZUKI*, Seiji HAYAKAWA* and Yoshinori SUZUKI***

Abstract

Typhoon 9918 (Bart) passed through the Kyushu and the western part of Chugoku districts on September 24, 1999. The strong wind and storm surge disasters were caused by the typhoon 9918 in western part of Japan. During the typhoon passing, the peak gust speed recorded at Ushibuka weather station in Kumamoto Prefecture was 66.2 m/s, which was the maximum value in Kyushu district (exclusive of islands). The peak gust speed recorded at the Onoda fire station and the Hofu north base were 58.9 m/s and 61.2 m/s, respectively. The sea level recorded at Moji was 372 cm at 8:10, which was 140 cm higher than the calculated value (232 cm). The loss money by the strong wind and storm surge disasters in Yamaguchi Prefecture by the typhoon 9918 exceeded 41 billions yen.

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