Tropical Cyclone Current Affairs
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A deep depression in the Bay of Bengal has been declared intensified into a tropical cyclone named Mora. This is second cyclone in the Bay of Bengal after Maarutha, which helped bring in the Monsoon earlier by a week over Andaman & Nicobar Islands.
The tropical Cyclone Mora is likely to hit Bangladesh coast in next 24 hours and expected to cause heavy rains in West Bengal and North East Indian states. It may also help to pull monsoon faster over mainland.
About 2017 North Indian Ocean cyclone season
Every year, the North Indian Ocean cyclone season extends roughly between April to December with two peaks in May and November. This season includes cyclones in Bay of Bengal and Arabian sea, apart from Indian Ocean in northern hemisphere. The first cyclone of 2017 season was Cyclone Maarutha which was formed in April, 2017 triggering heavy rainfall in Sri Lanka, Myanmar and India’s Andaman & Nicobar Islands. Apart from other damages, three people were killed in Myanmar by Cyclone Maarutha. Cyclone Mora is second such cyclone in the Indian Ocean.
Naming of Tropical Cyclone
Tropical cyclones are classified into three main groups, based on intensity: tropical depressions, tropical storms, and a third group of more intense storms, whose name depends on the region. If a tropical storm in the North-western Pacific reaches hurricane-strength winds on the Beaufort scale, it is referred to as a typhoon. If a tropical storm passes the same benchmark in the Northeast Pacific Basin, or in the Atlantic, it is called a hurricane. Neither “hurricane” nor “typhoon” is used in either the Southern Hemisphere or the Indian Ocean. In these basins, storms of tropical nature are referred to simply as “cyclones”.