El Nino

Such a big cluster of thunderstorms is called MCS which is noticed in many elements of world like United States of America. In satellite or doppler radar pictures, such MCS may be linear or spherical in form (appearing type of spherical in Tamil Nadu’s case) and it usually produces severe weather events such as heavy rains which result in flooding. Internet is already flooded with a quantity of articles where without providing substantial evidences, folks have linked this heavy rain event with elements like climate change or world warming. Below, we have a look at what may have made this low pressure system so highly effective. This season was fourth consecutive 12 months of above common exercise with five cyclones forming and three making landfall over India and one threatened the coast. Super Cyclonic Storm Amphan explosively intensified from a Category 1-equivalent cyclone to a Category 4-equivalent cyclone in just 6 hours and additional into class 5-equivalent cyclone and Super Cyclonic Storm.

India is a country in South Asia that is bounded by the Arabian Sea, the Indian Ocean and the Bay of Bengal, while it shares land borders with Bangladesh, Bhutan, China, Myanmar, Nepal and Pakistan. India can be situated within the vicinity of Sri Lanka and the Maldives, while its Andaman and Nicobar Islands share a maritime border with Thailand, Myanmar and Indonesia. On common round 2 to four tropical cyclones impact India yearly, while most of those tropical cyclones impact the east coast of Indian states of West Bengal, Odisha, Andhra Pradesh, Tamil Nadu. The West Coast of India is much less vulnerable to cyclones with one cyclone out of two to 4 hits the west coast with majority of them attacking the state of Gujarat, Maharashtra, Goa, Karnataka and Kerala. The cool floor water off the Peruvian coast goes warm because of El Nino. When the water is heat, the normal trade winds get lost or reverse their course.

The latter one stays the most highly effective cyclone to kind in total North Indian Ocean basin on record with windspeed of 260 km/h and 912 hPa (26.ninety three inHg). Severe Cyclonic Storm BOB 03 and Severe Cyclonic Storm BOB 04 made back-to-back landfall over Andhra Pradesh inside a span of every week within the month of October. But damages and deaths attributed by the storms had been less. Very Severe Cyclonic Storm 01B made two landfalls over Tamilnadu and Gujarat in the month of November and introduced appreciable damages there. Two depressions hit the states of Odisha and West Bengal in the months of August and September and introduced appreciable damages to those states. Cyclonic Storm Four made landfall over Odisha in the month of June and brought widespread rainfall over East and Central India.

Tropical cyclones are principally responsible for bringing such heavy rainfall but Tamil Nadu’s heavy rain wasn’t brought on by any tropical cyclone. It was attributable to an ordinary low pressure system in the Bay of Bengal which performed terribly. The season was near regular with four cyclones forming however the season has no Indian landfall.

The most intense tropical cyclone to make landfall was the 1999 Odisha Cyclone which hit the state of Odisha. Its minimal pressure was 912 mbar (26.93 inHg) and most wind velocity was 260 km/h . Severe Cyclonic Storm Asani becomes a rare cyclone by attacking the state of Andhra Pradesh changing evil beautiful witch into first to do so in pre-monsoon since Cyclone Laila of 2010. Three deaths were reported and total damages were minimal, giving aid from the heatwave.

They point to forty five.2 cm of rain on November 25, 1976; about 26.1 cm on one day in December 1918. In the last three weeks, in accordance with the IMD, there was a deep depression between November 8 -10, and a low stress area between November 13-18, which generated plenty of rain. “This is pure energetic northeast monsoon with a feeble trough of low pressure with slightly little bit of extension within the higher layers of the environment,” says S. B. Thampi, deputy director general of meteorology, Regional Meteorological Centre, Chennai. The worst affected were the southern suburbs that witnessed an unplanned actual estate growth in the final decade with unapproved layouts springing up adjoining to wetlands and water our bodies.

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