How Cyclones are Formed? | Animation Video | OnlyIAS

Summary

The video discusses the impact of Cyclone Biparjoy, which caused significant devastation in Gujarat and Pakistan in June 2023, leading to the evacuation of over 880,000 people. It explores the origins of cyclones, explaining their formation and characteristics, including the differences between tropical and temperate cyclones. The video also highlights the increasing frequency of cyclones due to climate change and emphasizes the need for effective disaster management measures. It concludes by discussing the naming conventions for cyclones and their damaging effects on human life and infrastructure, showcasing the importance of preparedness and awareness.

Takeaways

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Q & A

What was the impact of Cyclone Buper Joy in June 2023?

Cyclone Buper Joy caused significant devastation in Gujarat and Pakistan, leading to the evacuation of over 880,000 people in Gujarat and an estimated economic loss exceeding ₹1,200 crores.

How does the term 'cyclone' originate?

The term 'cyclone' is derived from the Greek word 'kyklon,' which means 'coil of a snake,' reflecting the spiral shape of these storms.

What are the main types of cyclones?

The two main types of cyclones are tropical cyclones, which form in warm ocean waters, and temperate cyclones, which occur in mid-latitude regions.

What conditions are necessary for the formation of tropical cyclones?

Tropical cyclones require a sea surface temperature of at least 27°C, the Coriolis force to generate circular motion, low-pressure areas for air convergence, and atmospheric instability for vertical air movement.

Why do tropical cyclones form primarily in the Bay of Bengal?

The Bay of Bengal's warm waters and climatic conditions make it a favorable area for the development of tropical cyclones, with an increase in formations due to climate change.

What are the differences between tropical and temperate cyclones?

Tropical cyclones form between 30°N and 30°S latitudes in warm waters, while temperate cyclones form between 35° and 65° latitudes, arising from the interaction of warm tropical and cold polar air.

How are cyclones named, and who regulates this process?

Only tropical cyclones are named, following a rotation system among affected countries, regulated by the World Meteorological Organization (WMO). For example, Cyclone Buper Joy was named by Bangladesh.

What structural measures are taken to mitigate the effects of cyclones?

Structural measures include constructing cyclone-resistant buildings, shelters, drainage systems, and establishing robust communication and power transmission networks.

What non-structural measures are implemented for cyclone disaster management?

Non-structural measures involve early warning systems, community awareness programs, and disaster risk management to enhance preparedness and response.

What makes the area from West Bengal to Gujarat prone to cyclones?

This region has a long coastline of approximately 7,516 km, with 76% of its area considered cyclone-prone, making it vulnerable to the impact of cyclones.