How did the strongest tropical cyclone in India in the past 20 years form
4hw.com.cn: Recently, according to foreign media reports, India is experiencing the strongest tropical origin in 20 years. The cyclone has a wide range of influence and more than 1.1 million residents have been evacuated. How did the tropical cyclone form? Let's have a look.
Indian media reported that strong tropical cyclone 'Fani' landed in Orissa state in eastern India on the morning of March 3, bringing rainstorm and gale weather. Strong winds also occurred in parts of coastal Andhra Pradesh and West Bengal. More than 200 flights were affected and 147 trains were cancelled. In the past 24 hours, 1.1 million residents have been evacuated to safety.
Tropical cyclone is a low-pressure vortex occurring on the tropical or subtropical ocean. It is a powerful and deep tropical weather system. Tropical cyclones usually form on the sea surface (such as the Northwest Pacific, North Atlantic and Indian Ocean) 3-5 latitudes away from the equator in the tropical region. Their movement is mainly affected by Coriolis force and other large-scale weather systems. Finally, they dissipate at sea, or change into extratropical cyclones, or dissipate after landing on land. Tropical cyclone landing on land will bring serious property and casualties. It is a kind of natural disaster. However, tropical cyclones are also an integral part of the atmospheric cycle, which can bring heat and angular momentum of the earth's rotation from the equator to higher latitudes; In addition, it can also bring abundant rain to the coastal areas that have been dry for a long time.