Depression in Bay: Chennai, Tamil Nadu to witness heavy rains after 24 hours

December 13, 2018 3:29 PM |

Cyclonic circulation in Bay of Bengal

As predicted by Skymet Weather, the well-marked low-pressure area over Southeast Bay of Bengal has intensified into a depression. At present, it is centered near Latitude 6.5°N and Longitude 88.7°E about 1170 km southeast of Chennai and 1350 km south/southeast of Machilipatnam.

The depression continues to move in northwest direction and is likely to intensify further into a deep-depression by Thursday evening. As the depression is moving in favourable weather conditions i.e. the sea surface temperatures are between 28˚C to 30˚C and the vertical wind shear is moderate. Therefore, the intensification will be slow but there are chances of formation of a cyclone by December 15.

At present, this system is still situated far off the coast. Therefore, during the next 24 hours, no major weather activity is expected  over Chennai or along the northern coast of Tamil Nadu.

We expect isolated light rains to commence by December 14 night and sky will become cloudy. But intensity of these rains will increase by the noon of December 15. During that time, moderate spells of rain with few heavy spells are expected over coastal districts of Tamil Nadu. In fact, intensity will be more over the northern parts such as Chennai, Puducherry and Kanchipuram.

On December 16, rain intensity may increase even more. During this period, the sea conditions will become rough to very rough and wind speed will also start increasing December 15 onwards and may continue till December 17.

Thus, the fishermen are advised not to venture out towards the sea between December 14 and 17, as this weather system has a potential of giving heavy rains and strong winds. Damage to life and property cannot be ruled out.

Image Credits – Wikipedia

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