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Rain pause in south Jharkhand

Jamshedpur, Aug. 17: So much so for the rain god’s incessant generosity.

Widespread showers, which regaled Jharkhand for the past few days and dragged down the rainfall deficit to a negligible four per cent, will take a short break because the western arm of the monsoon axis has drifted towards the foothills of Himalayas and is unlikely to resume normal position before August 22.

In their 48-hour forecasts, both the IMD offices in Patna and Ranchi today predicted rainfall activity in the state, but confined it to a few places like Dumka, Deoghar and Giridih, which are close to Bihar.

“The western part of the trough has moved to the foothills of Himalayas while the eastern arm is passing through Bihar and extends up to Meghalaya. This will restrict rainfall in southern parts of the state. Only places close to Bihar will receive rain in the next 48 hours,” said Upendra Srivastava, a senior weather official in Ranchi.

He added that the monsoon axis was expected to return to its normal path not before next Friday. An analyst at Patna Meteorological Centre reconfirmed that the monsoon was active in Gangetic Bengal and Bihar.

“The cyclonic circulation, which existed over sub-Himalayan Bengal, today moved to central parts of that state. The circulation is extending up to 5.8km above the sea level. Yesterday’s cyclonic system over the north Bay of Bengal, which was extending between 5.8km and 7.6km above the mean sea level, merged with the circulation over Bengal,” he said, adding that this would trigger more rainfall in Bengal while Jharkhand would be deprived.

In the past 24 hours, however, IMD observatories at many places reported rain. Pathergama in Godda district received 100mm while Tilaiya (Koderma) and Pakur experienced around 40mm. Seraikela, Jamshedpur, Dumka, Giridih, Jamtara, Daltonganj and Chakradharpur received rainfall between 10mm and 20mm.

Met statistics show that Jharkhand has so far received 690.4mm rainfall against an average normal of 720.4 mm, a deficit of four per cent. The loss on August 17 last year had stood at 21 per cent.

As of today, Garhwa tops the list of deprived districts with a deficit of 43 per cent, followed by Ranchi at 38 per cent and Simdega at 31 per cent.

West Singhbhum, on the other hand, tops the surplus list with 48 per cent followed by Koderma at 45 per cent.

Weathermen reiterated that Jharkhand would experience another good spell once the axis of the monsoon trough resumed its normal position. “Until then, southern parts of the state will remain deprived while northeastern areas will soak for the next 48 hours,” said a duty officer at the Regional Meteorological Centre in Calcutta.