An Investigation Into the Impacts of Tornadoes in Canada Tornados

1917 Words Dec 15th, 2005 8 Pages
Introduction
Tornadoes are one of the most impressive and powerful forces of nature. They can strike quickly with little warning, and cause millions of dollars in damages and even death. It is these powerful impacts that have led to the fascination that storm chasers have with discovering the inner workings of tornadoes. The focus of this term paper will be to investigate the natural hazard known as tornadoes. It will follow the framework for Analysis of Human Adaptation to Natural Hazards. This will include biophysical dimensions of tornadoes, human use of the affected environment, a consideration of the environmental change caused by tornadoes, and the human response to tornadoes.
Although they are rarer and have smaller damage
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The bulk of tornadoes occur in the southern regions of the afflicted provinces due to patterns of warmer temperatures required for convection to occur. The peaks occur in extreme southern regions, with definite higher frequencies clustered around major cities. The clustering occurs where higher populations are present to witness and report the events, and distributions are much lower in the peripheral zones. Canada is sparsely populated in areas, allowing tornadoes in rural regions to go undetected, unwitnessed, or merely unreported because of either no, or low damage (Judd, 1998).
Humans inhabiting areas prone to tornadoes are in a vulnerable position. Without being able to accurately predict them, people in the path of a tornado may not be alerted until it is too late. People in mobile home parks and cottages are most vulnerable to the violent winds because they are generally not anchored and are constructed to lower standards. Even houses may collapse in the event of a tornado if the walls are improperly anchored to the foundation or if the roof is not secured.
Canada, unlike the United States, does not receive many of the more damaging tornadoes. From 1918 to 1992, Canada recorded no F5's and only 8 F4's. It seems that tornadoes in Canada do not occur often enough to deter people from living in affected areas and when they do occur they are generally classified as weak, ranging from F0 to F2. The return period for severe tornadoes (F3 or

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