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Home / India News / Depression likely to form over Bay of Bengal, will intensify monsoon: IMD

Depression likely to form over Bay of Bengal, will intensify monsoon: IMD

Fairly widespread and heavy rain is likely over north-west India, including the Western Himalayan region until Thursday

india Updated: Aug 19, 2020, 16:17 IST
Jayashree Nandi
Jayashree Nandi
Hindustan Times, New Delhi
The monsoon trough is active and lies south of its normal position
The monsoon trough is active and lies south of its normal position(Uday Deolekar/HT Photo)

New Delhi: Widespread and heavy rains are expected over different parts of north-west India, including the Western Himalayan region and central India, until Thursday, India Meteorological Department (IMD) authorities said on Wednesday.

The monsoon trough is active and lies south of its normal position (from Ganganagar to the Bay of Bengal). It is very likely to be active and near-normal/south of its normal position during the next three-four days, IMD said in its morning bulletin.

Delhi received moderate to heavy category rain, measuring between 7.6 millimetres (mm) and 124.4 mm, on Wednesday early morning.

“The monsoon trough is active and lies close to its normal position. It is very likely to shift southwards during the next 24 hours and remain active during the next five days. There is a convergence of strong moist southwesterly winds from the Arabian Sea over plains of north-west India and Central India at lower levels and likely to continue during the next three-four days,” IMD said in its Wednesday bulletin.

A well-marked low-pressure area is lying over the northwest Bay of Bengal. It is very likely to move westwards gradually and concentrate into a depression during next 24 hours.

Due to these favourable conditions, widespread rain, with isolated heavy to very heavy spells, is very likely over Gujarat, Maharashtra, Goa, Madhya Pradesh (MP), Chhattisgarh, Jharkhand, Odisha, and Vidarbha during the next four-five days.

Extremely heavy rain is also likely over south-west Odisha on Wednesday; Vidarbha and Chhattisgarh on Thursday and Gujarat on Saturday.

“Delhi has already recorded 6-7 centimetres (cm) of rainfall on Wednesday. While Gurugram received about 8.6 mm until 8.30 am. Punjab and Haryana are also receiving heavy rains. This is mainly because monsoon trough is located exactly over Delhi. There are strong moisture-laden winds blowing from the Arabian Sea, which are bringing heavy rains to the region. This weather will continue until the end of Thursday. But on August 23 and 24, we are also expecting heavy rains again because a low-pressure area has formed over the Bay of Bengal which will intensify into a depression,” said RK Jenamani, senior scientist, National Weather Forecasting Centre (NWFC).

Fairly widespread and heavy rain is likely over north-west India, including the Western Himalayan region, until Thursday. Very heavy rain is likely over Jammu & Kashmir, Ladakh on Wednesday and Uttarakhand and Punjab on Thursday; western Uttar Pradesh on Wednesday; eastern Rajasthan from Thursday until Saturday; and very heavy rain is likely also over northeastern states, except for Arunachal Pradesh, during the next three-four days, the IMD said.

“Depressions are fairly common during monsoon. At least two depressions are formed every July, which bring extensive and heavy rain. This will be the first depression of the season. Depressions bring heavy rain and strong winds. We are expecting extremely heavy rains in Odisha because of the depression until the end of Thursday. Similarly, over Chhattisgarh for the next one-two days; and over MP, Rajasthan, and Gujarat,” said Sunitha Devi, in-charge of cyclones at IMD.

Monsoon rain over the country since June 1 is 4.4% excess; 25.6% excess over the southern peninsula; 6.9% excess over central India; 5.8% excess over eastern and north-eastern India and 17.9% deficiency over north-west India.

There are reports of 16.3% excess rains over the country in August, with 68.1% excess over peninsula India; 35.1% excess over central India; 16.6% deficiency over northwest India and 18.3 deficiency over eastern and north-eastern India as on Tuesday.

ht epaper

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