tropical cyclones What are the problems and benefits with evacuation?
Answers
The effects of tropical cyclones include heavy rain, strong wind, large storm surges near landfall, and tornadoes. The destruction from a tropical cyclone, such as a hurricane or tropical storm, depends mainly on its intensity, its size, and its location.
Answer:
Tropical cyclones are known by various names in different parts of the world. In the North Atlantic Ocean and the eastern North Pacific they are called hurricanes, and in the western North Pacific around the Philippines, Japan, and China the storms are referred to as typhoons.
The Hazard
Tropical cyclones are among the most destructive natural phenomena. The impact from cyclones extends over a wide area, with strong winds and heavy rains. However, the greatest damage to life and property is not from the wind, but from secondary events such as storm surges, flooding, landslides and tornadoes.
Factors of Vulnerability
Man made factors:
Settlement located in low lying coastal areas (direct impact);
Poor building design, or construction;
Insufficient lead time for warning and evacuation;
Non compliance with evacuation procedures;
Inadequate shelter.
Main causes of Morbidity and Mortality
Direct Impact
Injuries, trauma, and asphyxiation due to entrapment are observed and result from building collapse and wind-strewn debris. Electrocution or drowning happen while securing property such as television antennas or boats.
Short and long term mental health effects are observed.
Indirect Impact
The impact of tropical cyclones on the transmission of communicable diseases is limited. Outbreaks of communicable diseases are rarely observed. Nonetheless, the risk for water borne disease and vector transmitted disease can be exacerbated: human exposure to disease vectors can be increased due to changes in the physical environment.
The impact on the health infrastructures and all lifeline systems is massive and can result in food shortages and interruption of basic public health services (water, etc).
In case of floods and sea surges, risks of drowning and water borne and vector borne disease increase.
Explanation:
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