North East Monsoon rains has shifted base from traditional monsoon zones of South Peninsula to parts of east India as the causative well marked low over west central and adjoining Bay of Bengal has intensified into a Depression and lay centered near west central Bay of Bengal adjoining Andhra Pradesh coasts. This system has taken moisture along with it only to be dumped in coastal areas of North Andhra Pradesh and Odisha.
The Depression is expected to move further north in the next 24 hours and then north northeastwards. Heavy to very heavy rains are forecast for coastal Odisha and heavy rains are forecast for Gangetic West Bengal including Kolkata. In Tamil Nadu, rains have greatly reduced due to the movement of this system away from its shores. It has also enhanced the warmth in the air as maximum temperatures will settle 2 to 3 degrees above normal.
City Outlook:
Chennai – Partly sunny and unseasonably warm with highs of 32/33C with very less chance of rains.
Vellore – Partly sunny and warm with highs of 32/33C. Chance of a rain spell in the vicinity.
Trichy – Very warm and sunny with max of 33/34C. Chance for a shower or two late in the day.
Madurai – Very warm as mercury settles at 34/35C. Light rains may occur in few areas.
Coimbatore – Very slim chance of rains on a day which is warm and sunny at 33C.
NEM Facts & Figures # 25
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In 1994, a cyclone crossed Chennai coast on 31st October and within 3 days a Depression crossed Karaikkal on 4th November. This is a rare instance of Cyclone / Depression making landfall with only 3 days between them in Tamil Nadu.