January Rains
IMD sees above normal rains at 118% of long-period average in January
This story was originally published at 19:01 IST on 1 January 2025
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--IMD: South peninsula Dec rainfall at 91.5 mm, 185.8?ove normal
--IMD: East, northeast Dec rainfall at 3.2 mm, 75.9?low normal
--IMD: Central India Dec rainfall at 12.8 mm, 151.0?ove normal
--IMD: Northwest India Dec rainfall at 15.8 mm, 16.5?low normal
--IMD: Northeast monsoon 2024 rainfall second highest since 1946
--IMD: Dec rain over south India highest since 2001, 3rd highest since 1901
--IMD: Dec India rainfall highest since 2001, 9th highest since 1901
--IMD: India Oct-Dec rainfall seen 117.4 mm, 3?low normal
--IMD: 2024 warmest year since 1901
--IMD: South peninsula saw highest minimum temperature in Dec since 1901
--IMD: La Nina conditions likely to emerge during January
--IMD: Neutral Indian Ocean Dipole conditions likely during Jan-Mar
--IMD: See India Jan-Mar rainfall 88-112% normal of long period average
--IMD: See India Jan rainfall at 118% of long period average
--IMD: See North India Jan rainfall 122% of long period average
--IMD: North India Jan-Mar rains seen at 86% of long period average
--IMD: See above normal minimum and maximum temperatures in Jan
--IMD: See above normal cold wave days over parts of central India in Jan
MUMBAI – The India Meteorological Department has forecast the rainfall over the country in January to be above normal at 118% of the long-period average. Over North India, the rainfall during January is likely to be above normal at 122% of the long-period average.
Based on data from 1971-2020, the long-period average rainfall during January for the whole country is 17.1 mm and over north India 49.0 mm. "Above normal rainfall is most likely over most parts of the country except some parts of northwest India and some pockets of the northeast and central India, where normal to below normal rainfall is likely," the weather department said.
During Jan-Mar, the overall rainfall over India is likely to be normal at 88-112% of the long-period average, the department said. On other hand, the rainfall over North India during the same period is likely to be below normal at 86% of the long-period average.
Based on data from 1971-2020, the long-period average rainfall during Jan-Mar for the whole country is 69.7 mm and for north India is 184.3 mm.
"Normal to above normal seasonal rainfall is likely over most parts of the country except parts from Northwest India, some parts from east and many parts of northeast India, where below normal rainfall is likely," the agency said.
The minimum temperatures are most likely to be above normal over many parts of the country in January, except for some parts of central India, where normal to below normal temperatures are expected, the weather agency said.
Similarly, the maximum temperatures are most likely to be above normal over many parts of the country in January, except for some parts of northwest, central, and adjoining east India and central parts of the South Peninsula, where it is likely to be normal to below normal.
The weather bureau said 2024 was the warmest year since 1901. And south peninsula region saw the highest minimum temperature in December since 1901. "Rising trend in minimum temperatures was seen during December," said Mrutyunjaya Mohapatra, Director General of Meteorology. In parts of Uttar Pradesh, temperature is likely to fall below normal after Jan. 9, he said. The bureau sees above normal cold wave in parts of central India in January.
The Met Department said La Nina conditions are likely to emerge during January, which is usually associated with a drier climate over India. It also said neutral Indian Ocean Dipole conditions are likely during January and March. The Indian Ocean Dipole is the difference in sea surface temperatures between the western and eastern tropical Indian Ocean.
The northeast monsoon was the second highest at the time since 1946. Rainfall in December was at 27.6 mm, 73.8?ove normal, the highest since 2001 and the ninth highest since 1901, the India Meteological Department said. During Oct-Dec, rainfall was 112% of the long period average. During the period, rainfall across the country was 117.4 mm, 3?low normal, according to the Department.
In south peninsular India, rainfall during December was at 91.5 mm, 185.8?ove normal and was the highest since 2001 and the third highest since 1901, the bureau said. East and northeast India received 3.2 mm rainfall during December, 75.9?low normal, while central India received 12.8 mm rainfall, 151.0?ove normal, the Met department said. The northwest part of the country received 15.8 mm of rainfall, 16.5?low normal, it said. End
Reported by Shreya Shetty, J. Navya Sruthi and Taniva Singha Roy
Edited by Akul Nishant Akhoury
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