Pre-landfall evacuee perception of the meteorological hazards associated with Hurricane Gustav |
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| Authors: | David M Brommer Jason C Senkbeil |
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| Institution: | (1) Department of Geography, University of Alabama, Box 870322, Tuscaloosa, AL 35487, USA |
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| Abstract: | In this study, evacuees from the path of Hurricane Gustav were surveyed to determine which meteorological hazards most influenced
their decision to leave. Surveys were conducted along two major evacuation routes on August 30 and 31, 2008, to collect time-sensitive
data on individual evacuation decisions related to the meteorological hazards from Hurricane Gustav. The regions of New Orleans,
Houma, and Lafayette were represented most frequently, as determined by zip code data collected from the surveys. Responses
were evaluated first by meteorological hazard for the entire dataset and then by three-digit zip code region. Overall, storm
surge was the most important meteorological variable, followed by the size of the storm, wind, rain, and tornadoes. When separated
into three-digit zip code regions, analyses revealed evacuees from in and around New Orleans were driven to evacuate as a
result of the perceived threat from storm surge and storm size; residents in the Houma, Louisiana region were motivated to
leave due to the threat from storm surge; and Lafayette and the surrounding areas were most-concerned with the threats posed
by hurricane-force winds. Given the forecast track and intensity, survey respondents understood the meteorological hazards
from Gustav and were motivated to leave based on personal evaluations of risk associated with the storm. |
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