Khumairoh (13)






1. General Statement
            Tropical Storm is a natural phenomenon in the form of strong winds with a wind speed of 120 km / h which often occurs in the tropics between the northern and southern turning lines. At this time, the form of a separate storm began to be formed, although his eyes usually did not appear. Tropical storms can only grow and develop over warm tropical and sub-tropical waters with high humidity. Around the world there are a number of territorial waters where tropical storms grow and develop with seasonal patterns that are unique in each region.

2. Cause and Effect
 Tropical storms occur because of extreme pressure differences in air (atmospheric) circulation, which transfers heat from the equatorial region to higher latitudes. The strongest winds swirled to a radius of hundreds of kilometers around very low pressure areas. Every year storms grow over vast waters in every ocean that is on the surface of the earth. It can grow when sea surface temperatures are above 27 ° C and it can be detected the possibility of growth since the previous three days. Due to the increase in surface roughness and loss of moisture source, storms will weaken when entering land.

3. Sequence of Cause and Effect
Although it is a phenomenon that grows in the ocean, the movement of tropical storms can lead to land so that it can cause serious disasters with material losses and large human casualties. Tropical Storm movements always move away from equatorial latitudes, so it is not possible to cross Indonesian land, however Indonesian territory may be affected indirectly from such storms.
      As a result of tropical storms in the open sea will cause high waves, heavy rain and high-speed winds, thus disrupting shipping schedules and even sinking ships. However, the greatest impact of tropical storms occurs when tropical storms move inland and cause land to collapse. Other impacts after a tropical storm are infectious diseases, lack of electricity, and transportation difficulties.


4. Closing

      Although many losses arise from tropical storms, globally tropical storms are needed to maintain the heat balance of the Earth's atmosphere by transferring heat, and high humidity in the tropics to cooler sub-tropical and polar regions. In some special situations, tropical storms have a positive impact on the affected regions.

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