ENGINEERING ANALYSIS INC.
TORNADIC RISK ASSESSMENT
Tornadoes represent the most violent meteorological phenomena known to
man, each year resulting in hundreds of millions of dollars in property
damage and approximately one hundred fatalities. Extensive data for the
contiguous United States, plus Hawaii, have been collected by the National
Weather Service, dating from 1950 and updated annually. A statistical analysis
of this data can provide a better understanding of the risk posed by tornadoes
for a specific geographic region. To carry out such an analysis we have
developed the Site Assessment of Tornado Threat (SATT)
software. By means of this software we have calculated and tabulated the
probability of tornadoes for the twenty most tornado prone states (excluding
Alaska) on both an annual and a month-by-month
basis and also for the twenty most tornado prone cities on both an annual
and a
month-by-month basis. We have also developed
color-coded contour maps of tornado probability for Alabama
and Georgia, as well as a color- coded map
of tornado probability for the United States. A number of technical
papers have been published dealing with our work in this area.
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