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Stuck Depressions Push Heavy Rain to Month-end

The troughline created by the 2 systems has left both stuck over their respective areas

Published: 28th July 2015 05:46 AM  |   Last Updated: 28th July 2015 05:46 AM   |  A+A-

BHUBANESWAR: The depression over Bay of Bengal has become stationary as it is interacting with another system lying over western Madhya Pradesh and adjoining Rajasthan, the weather office said on Monday.

Though many parts of the State received good rainfall in the last 24 hours, the heavy showers, expected to be induced by the depression, may occur only towards end of the month.

The India Meteorological Department (IMD) said the troughline created by the two systems has virtually left both stuck over their respective areas. As a result, the system formed over Bay of Bengal has remained unmoved near Bangladesh for the last 24 hours and showed no intensification. The air pressure over Odisha has also risen as a result of the interaction between the two systems.

Director, IMD, Odisha SC Sahu said the system over the land has prevented wind flow from Arabian Sea which would have, otherwise, lent strength to the depression over the Bay. The situation is likely to change after two days as model prediction shows that the Bay system will intensify and move closer to the State’s coast.

“Going by the model predictions, the system is likely to come closer to north Odisha coast in the shape of a deep depression and induce heavy showers. The other system may have moved away over to Rajasthan by that time,” he added.

However, many parts of the State continued to get good rain under influence of the Bay system which has strengthened the monsoon current. Central and Western Odisha districts received moderate showers in the last 36 hours with some parts recording close to 70 mm rain.

Over the last three days, the rainfall deficiency in the State has decreased because of the continuous showers. From seven per cent on Saturday, the deficiency has fallen to two per cent on Monday. The cumulative seasonal rainfall stood at 491 mm by Monday against the normal showers of 503.7 mm.

Despite the increasing showers, many districts continued to face dry conditions. Nayagarh, Khurda and Jajpur reported over 30 per cent deficiency while Puri, Balangir, Kadhamal and Kendrapara recorded over 20 per cent shortfall.

The IMD has predicted a below normal rainfall in August when overall precipitation is expected to be 90 per cent of the long period average.

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