Depression Crosses Odisha Coast: Heavy Rains Over Bihar-West Bengal
Image: Himawari (Sat Image)
The remnant of a tropical system from the West Pacific had earlier entered the Bay of Bengal and evolved into a well-marked low-pressure area. Over the last 48 hours, the weather system intensified into a deep depression over the northwest Bay of Bengal, in proximity to the Odisha coast. Actually, the Joint Typhoon Warning Center (JTWC) had declared it as a cyclonic storm late on Wednesday last. Surely, it was a borderline case between a deep depression and a weak cyclonic storm. The wind speed in the inner circle needs to reach 62 km/h to be classified as a cyclonic storm, and as per JTWC, it had reached about 65 km/h, marginally breaching the threshold value. The weather system was struggling against very high wind shear to sustain and therefore possibly weakened close to the coastline due to the entrainment of dry air.
The deep depression crossed the Odisha coast near Gopalpur and weakened to a depression. It was placed south-southwest of Phulbani by about 50 km this morning. It is likely to move northwest for another 12 hours, weaken into a well-marked low-pressure area, and is expected to recurve to reach close to the foothills of Bihar. It may get landlocked over that region due to the complexity of the terrain.
Heavy to very heavy rains are likely over East Uttar Pradesh, West Bihar, and North Chhattisgarh today. The heavy rainfall belt will shift tomorrow and the day after to cover Bihar, West Bengal, Sub-Himalayan West Bengal & Sikkim, and extreme eastern parts of Assam. Inclement weather conditions, disrupting normal life and impacting connectivity over these parts, are likely. The remnants of the system will keep affecting the eastern states with moderate rains for the subsequent 2–3 days. Broad clearance is expected only after 12 October for the region. Withdrawal of the monsoon may follow thereafter from the eastern and northeastern parts.
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