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Pre-Monsoon Rainfall Deficit Drops To 22%, Says Weather Office

From March 1 to April 24, the pre-monsoon rainfall recorded in the central division was five per cent compared to normal.

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Pre-Monsoon Rainfall Deficit Drops To 22%, Says Weather Office

Pre-monsoon rainfall is important for horticulture crops in some parts of the country


New Delhi: 

A deficiency of 22 per cent has been recorded in the pre-monsoon rainfall from March to May, according to India Meteorological Department (IMD) data. Pre-monsoon rainfall is a phenomenon vital to agriculture in several parts of the country. Weather office IMD recorded 75.9 mm of rainfall from March 1 to May 15, marking a around 22 per cent deficiency compared to the normal rainfall reading of 96.8 mm. From March 1 to April 24, the IMD recorded a deficiency of 27 per cent.

The deficiency this week seems to have fallen over the last fortnight due to rains over the eastern and northeastern parts of the country.

Meanwhile, the southwest monsoon has advanced into South Andaman Sea and conditions are favourable for it to reach the North Andaman Sea and the Andaman Islands in the next 2-3 days, the IMD said.

Of the four meteorological divisions of the IMD, the southern peninsula - which comprises all the southern states - has recorded a pre-monsoon deficiency of 46 per cent - the highest in the country. This was followed by 36 per cent in the northwest subdivision, which covers all the northern states. It was 38 per cent from March 1 to April 24, but has dropped by 2 per cent due to rainfall across several parts of the country.

The deficiency in the east and northeast region, which spans Jharkhand, Bihar, West Bengal, Odisha and the northeastern states, was seven per cent. There was no deficiency in the central region, which comprises Maharashtra, Goa, Chhattisgarh, Gujarat and Madhya Pradesh.

However, from March 1 to April 24, the pre-monsoon rainfall recorded in the central division was five per cent compared to normal. The region has also been witnessing intense heat waves and several dams in the Marathwada region of Maharashtra have reached zero storage level.

Pre-monsoon rainfall is important for horticulture crops in some parts of the country.

Laxman Singh Rathore, former director general of the IMD, said that in the northeastern parts of the country and the Western Ghats, pre-monsoon rainfall is critical for plantation crops. There will be "moisture stress" in case of a deficit, he said.

Crops such as sugarcane and cotton, planted in the central parts of the country, survive on irrigation and also require supplement of pre-monsoon rains, Mr Rathore added.

"In the forested regions of Himalayas, pre-monsoon rainfall is necessary for plantations like apple. Due to moisture, pre-monsoon rainfall also helps in minimising the occurrence of forest fires," he said.

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