ENVIRSC 1A03 Chapter 19: UNIT 19 HURRIANCES
25 Sep 2016
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Document Summary
Hurricanes unit 1: structure of a hurricane. A hurricane the most powerful, destructive cyclonic storm. This type of tropical cyclone develops over the world"s oceans between 10 and 20 north and south. Their average wind speed is 150 km/h but up to 350 km/h. In the western hemisphere they are called hurricanes. In the western pacific they are called typhoons and in the indian ocean they care called cyclones. A tropical wave also called an easterly wave is shown here moving off of the coast of africa over the. The wave is shown by the bending of the stream lines, lines that show the wind flow patterns. The heavy dashed green line is the axis of the trough. The wave moves slowly westward bringing fair weather on its western side and rain showers on its eastern side. This visible satellite image shows four tropical systems each in a different stage of its life cycle.
