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Evacuation behaviour of households and drivers during a tornado

Samanthi Durage (swalawed@ucalgary.ca), Lina Kattan (lkattan@ucalgary.ca), S. Wirasinghe (wirasing@ucalgary.ca) and Janaka Ruwanpura (janaka@ucalgary.ca)

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2014, vol. 71, issue 3, 1495-1517

Abstract: With increasing concerns over the possibility of tornadoes in highly populated areas in Canada, emergency managers are looking into ways to mitigate the impacts of tornadoes. Given that tornadoes can cause enormous destruction, early warnings and proper evacuation actions are critically important in helping save lives. In this paper, a survey was conducted to analyse the evacuation behaviour of households and drivers during a hypothetical tornado warning situation in the city of Calgary, Alberta. Nearly 500 Calgarians took part in the online survey and provided information on how they would respond to tornado warnings after receiving them. This paper presents the results of the survey. Using probit models, the factors influencing these evacuation decisions are identified and discussed in detail. The results of the household evacuation model show the importance of improving awareness about the safest locations during a tornado. It further highlights the need for targeting the population under the age of 30, who are more likely to take unsafe evacuation actions. The model for evacuation of drivers shows that several factors, such as knowing the difference between a watch and a warning, awareness of safe cover, receipt of warnings through natural environmental cues and the level of education, trigger evacuation actions in avoiding a tornado threat. Copyright Springer Science+Business Media Dordrecht 2014

Keywords: Tornado warning; Calgary; Household and driver evacuation behaviour; Probit (search for similar items in EconPapers)
Date: 2014
References: Add references at CitEc
Citations: View citations in EconPapers (11)

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DOI: 10.1007/s11069-013-0958-6

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