7 months ago
2
The northeast monsoon acceptable successful implicit Kerala connected Thursday (October 16, 2025), triggering wide dense rainfall crossed the State, particularly successful the confederate and cardinal parts.
According to a upwind bulletin issued by the India Meteorological Department (IMD), the southwest monsoon withdrew wholly from the state connected October 16. Simultaneously, the northeast monsoon rainfall enactment has commenced implicit Tamil Nadu, Puducherry, Karaikal, coastal Andhra Pradesh, Rayalaseema, southbound interior Karnataka and Kerala-Mahe region.
The onset is apt to stay vigorous, with a mates of upwind systems prevailing successful the Bay of Bengal. An precocious aerial cyclonic circulation lies implicit the Comorin country and the neighbourhood portion extending up to mid-tropospheric levels. Further, enhancing the rainfall activity, easterly/northeasterly winds acceptable successful implicit confederate peninsular India and southbound and adjoining cardinal Bay of Bengal successful the little tropospheric levels.
Under this influence, reasonably wide rainfall occurred implicit Tamil Nadu, Puducherry and Karaikal and adjoining areas of southbound coastal Andhra Pradesh and Kerala during the past 24 hours.
Low-pressure country
In addition, a low-pressure country is apt to signifier implicit the Bay of Bengal by October 19. This is apt to heighten the rainfall enactment successful Kerala.
Orange alert
Meanwhile, an orangish alert has been issued for Kottayam and Idukki districts connected Thursday wherever precise dense rainfall is likely. Seven districts – Thiruvananthapuram, Kollam, Pathanamthitta, Alappuzha, Ernakulam, Thrissur, and Malappuram – person been enactment connected yellowish alert informing of dense rains during the adjacent 24 hours.
Kerala receives an mean 492 mm of rainfall during the northeast monsoon period. Last year, the State witnessed a mean season, with 487.2 mm rain.
