The Hindu Business Line : June rainfall deficit estimated at 15 pc

EXTENSIVE rainfall recorded in the central parts of the country during the last week of the month has helped bring down the June rainfall deficit to 15 per cent.

The formation of the seasonal depression and organisation of the monsoon trough were instrumental in the reversal of monsoon fortunes, an update issued by the India Meteorological Department (IMD) has said.

The cumulative rainfall over the central parts of the country jumped from 22 per cent of normal as on June 15 to as much as 113 per cent by June 30.

The number of sub-divisions in deficient/scanty category has gone down from 28 as on June 22 to 17 as on June 30. A number of sub-divisions in central India, viz. Saurashtra & Kutch, Gujarat region, Rajasthan, East Madhya Pradesh, Madhya Maharashtra and Vidarbha have received normal/excess rainfall. Punjab and Haryana in northwest India have also received normal/excess rainfall.

On Friday, the monsoon trough was at its near normal position and well-organised, extending up to mid-tropospheric levels. Predictions by forecasting agencies suggest that the depression is likely to move slowly in a north-westerly direction, weaken into a low-pressure area after two days and then interact with an approaching western disturbance during July 3-5.

Under the circumstances, the predictions indicate that the good rainfall activity over central India may continue for another 2-3 days. There could be increase in rainfall activity over northwest India due to interaction of western disturbance.

There are also indications of weakening of mid-tropospheric circulation over Gujarat after July 4, leading to decrease in heavy rainfall activity and hence easing of the flood situation over the region.

The subdued rainfall activity over the north-eastern States and interior parts of south peninsular India is likely to continue for another 3-4 days.

With the above scenario of rainfall activity over the country, the overall rainfall deficiency for the country as a whole is likely to decrease further.

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