The India Meteorological Department (IMD) introduced on Saturday that because the rains related to the northeast monsoon ended, south India obtained 579.1 mm of rain, the very best since 1901.
The Northeast Monsoon is confined to South India and brings rain from October to December over Tamil Nadu, Puducherry, Karaikal, Yanam, Andhra Pradesh, Kerala, Mahe and South Interior Karnataka. Also often called the winter monsoon, related rainfall is brought on by low stress methods, depressions and cyclones. This is the primary wet season for Tamil Nadu, which receives 48 p.c (447.4 mm) of its annual rainfall quota throughout these three months.
The October-December 2021 season was traditionally moist, with South India recording 171 per cent surplus rainfall – 579.1 mm, the very best since 1901 in keeping with India’s Annual Climate 2021 Statement launched by the IMD.
These two months are thought-about most favorable for cyclone growth, regardless of no cyclone formation in October and November. This was in stark distinction to the 2020 northeast monsoon season, when Cyclone Nivar and Cyclone Buravi affected the southern states and east coast areas of the nation.
However, persistent low stress methods over the Bay of Bengal saved lively Northeast-Monsoon winds over South India final yr. Cyclone Jawad, which shaped within the Bay of Bengal in early December and its related climate, introduced substantial rain to coastal Andhra Pradesh and its neighbourhood.
Since the onset of monsoon on 27 October and 31 December, Kerala has recorded 109 per cent and 26 per cent extra rainfall in 2021 and 2020 respectively. Karnataka had recorded 104 per cent extra rainfall than it obtained in 2020 final yr. Tamil Nadu and Puducherry recorded 59 per cent extra rainfall this season as in comparison with six per cent in 2020. Coastal Andhra Pradesh and Yanam obtained 40 per cent and 24 per cent extra rainfall in 2021 and 2020, respectively.
The IMD’s week-wise rainfall progress for the October-December interval instructed that every one Southern Meteorological Subdivisions obtained regular, extra or heavy rainfall throughout the northeast monsoon season, with exceptions over Coastal Andhra Pradesh and Yanam. Also, the place there was regular rainfall. After mid-November.
In the final season, the rain had stopped on January 19, 2021.
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With inputs from TheIndianEXPRESS
