茂原市と豊橋市の竜巻の比較をもとにした竜巻災害に関する研究 : その1 竜巻発生直前・直後の現象の分析

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The Mobara tornado that occurred on December 11, 1990 in Mobara city in Chiba prefecture caused the greatest level of tornado damage in Japan's recorded history. A research group from the Chiba Institute of Technology, including myself, distributed questionnaires immediately after the 1990 Mobara tornado. The group also investigated the weather conditions at the time of the tornado as well as the evacuation measures that people employed. The Chiba Institute of Technology group also carried out another questionnaire study after the Mobara tornado victims had settled down one year after the event in order to investigate preparedness, recovery and mitigation with regard to the Mobara tornado. A similar level of tornado damage was again recorded on September 24, 1999 in Toyohashi city, Aichi prefecture. A research group led by Dr. Tamura and Dr. Ookuma conducted a questionnaire survey to the 1999 Toyohashi tornado victims. This survey employed a similar set of questionnaire items as those in the Mobara study. In the following year, the current author also conducted a questionnaire study that incorporated the same set of items as the 1991 Mobara tornado follow-up study. Based on the questionnaire results, the present paper compares the characteristics of the two tornadoes, the meteorological conditions, and the damage reported immediately after the tornadoes. It then discusses effective countermeasures against tornado disasters.
日本自然災害学会の論文
2003-08-31

茂原市と豊橋市の竜巻の比較をもとにした竜巻災害に関する研究 : その1 竜巻発生直前・直後の現象の分析

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