The India Meteorological Department (IMD) has issued weather warnings for several states as a low-pressure system over the Bay of Bengal develops and could intensify into a cyclonic storm. Heavy rainfall, thunderstorms, lightning and gusty winds are expected in several parts of southern and eastern India over the coming days.
Kerala, Tamil Nadu, Andhra Pradesh and parts of Karnataka are among the regions likely to experience rain. According to the IMD update dated October 23, 2026, the system is expected to strengthen gradually and move towards the North Andhra Pradesh and adjoining South Odisha coasts.
Bay of Bengal Low-Pressure System: Latest IMD Update
The IMD reported that a low-pressure area formed over the east-central and adjoining southeast Bay of Bengal at 5:30 am IST on October 23, 2026, following an upper-air cyclonic circulation over the southeast and adjoining east-central Bay of Bengal.
The system is expected to remain over the region initially and intensify into a depression on October 24. It is then likely to move west-northwestwards, strengthening into a deep depression on October 25 and potentially becoming a cyclonic storm over the west-central Bay of Bengal by the morning of October 26.
The system is forecast to continue moving west-northwestwards and intensify further over the following two days as it approaches the North Andhra Pradesh and adjoining South Odisha coasts.
Heavy Rainfall Warning for Tamil Nadu, Kerala and Other States
The developing weather system over the Comorin region and nearby areas of southern Tamil Nadu and Kerala is expected to bring heavy to extremely heavy rainfall to some locations.
According to the forecast, significant rainfall is expected during the following periods:
- Tamil Nadu, Puducherry and Karaikal: Heavy rainfall, including extremely heavy spells in some areas, through October 26.
- Kerala: Heavy rainfall in isolated areas through October 25.
- Lakshadweep: Rainfall activity through October 24.
- Andaman and Nicobar Islands: Heavy rainfall in some areas through October 26.
- Odisha: Rainfall is expected in some areas on October 27 and 28.
- Coastal Andhra Pradesh: Heavy to extremely heavy rainfall is possible in some locations on October 27 and 28.
Thunderstorms and rainfall are also possible across parts of Andhra Pradesh, Karnataka and the Andaman and Nicobar Islands.
Cyclone Forecast: What to Expect After October 26
The developing system is expected to move towards the eastern coastline as it strengthens over the Bay of Bengal. North Andhra Pradesh and adjoining South Odisha are likely to be the main coastal areas to watch during the subsequent two days.
The system’s eventual intensity and movement will depend on how it develops over the coming days. Residents in areas covered by IMD warnings should follow official weather bulletins and local administration advisories, particularly where heavy rainfall could affect travel and everyday activities.
Disclaimer
This article is intended for general informational purposes only and is based on the IMD forecast details provided for October 23, 2026. Weather systems can change in intensity, direction and timing. Readers should consult the latest official IMD bulletins and local authorities for updated warnings and safety instructions. The forecast should not be treated as a guarantee of future weather conditions.