Updated: July 31, 2020 9:43:43 pm
The country has recorded normal rainfall at the end of the first two months of the Southwest Monsoon season.
Despite rainfall largely remaining concentrated over east and northeast regions, especially during July, rainfall recorded over the country, since June 1, stood at 453.3 mm against a normal of 452 mm.
The last fortnight of July, in particular, experienced below normal rainfall activity, thereby keeping the country’s overall rainfall quantum hovering around the normal mark.
According to India Meteorological Department (IMD), the country received 17.6 per cent surplus rainfall in June. But in July, the rainfall remained 9.8 per cent short of normal. This was mainly contributed by deficient rain recorded over northwest and central Indian regions (See box).
“ Normally, there are three or four low-pressure systems that form in the Bay of Bengal in July. However, this year, no low-pressure system formed in the Bay of Bengal, which could otherwise have brought some rain over west and western coastal regions,” Mrutyunjay Mohapatra, director general of IMD, told The Indian Express.
But the rainfall is set to revive starting from the second week of August. During the coming days, widespread rain is forecast over Gujarat, Madhya Pradesh, Chhattisgarh and Odisha, added Mohapatra.
The monsoon trough, which shifted towards the Himalayan foothills, kept the monsoon active over Bihar, Assam and the eastern regions. Normally, in such a scenario, central India remains rainfall deprived.
In the last six years, the cumulative rainfall for June and July has been below normal in 2019 (- 9 per cent), 2018 (-7 per cent) and 2015 (-3 per cent). Rainfall was 5 per cent above normal in 2017. In 2016 and 2020, the country experienced normal rainfall.
With 89 per cent above normal rainfall, Sikkim remained the wettest state, so far. States under ‘excess’ category were Andhra Prades h(57 per cent), Bihar (45 per cent), Meghalaya (36 per cent), Tamil Nadu (25 per cent) and Telangana (22 per cent).
States and union territories under rain ‘deficient’ category included Ladakh (-61 per cent), Jammu and Kashmir (-49 per cent), Manipur (-47 per cent), Dadra and Nagar Haveli (-42 per cent), Mizoram (-32 per cent), Himachal Pradesh (-27 per cent), Rajasthan (- 26 per cent), Delhi (-24 per cent), Kerala (-23 per cent) and Nagaland (-22 per cent) till July 31.
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