Kerala weather: IMD issues yellow alert in 8 districts, warns of heavy rain until November 4
The India Meteorological Department (IMD) has issued yellow alerts for several districts in Kerala from November 1 to 4, warning of isolated heavy rainfall. The forecast comes as a well-marked low-pressure area over the Bay of Bengal and adjoining regions is likely to intensify into a depression and subsequently a cyclonic storm.
The IMD has forecast isolated heavy rainfall from November 1 to 4, with rainfall amounts of 7-11 cm possible within 24 hours at isolated locations.
Thunderstorms accompanied by strong winds, with speeds of 30-40 kmph, are also likely during the same period.
Yellow alerts in Kerala districts from November 1 to 4
According to the IMD's five-day rainfall forecast issued on Saturday (October 31), the following districts have been placed under a yellow alert:
- November 1: Pathanamthitta, Kottayam and Idukki
- November 2: Idukki, Palakkad, Malappuram and Wayanad
- November 3: Kozhikode, Wayanad and Kannur
- November 4: Kannur and Kasaragod
The yellow alert indicates the possibility of isolated heavy rainfall in these districts.
The IMD classifies rainfall between 6.45 cm to 11.55 cm within 24 hours as heavy rain. The department has forecast isolated instances of such rainfall during the alert period.
Bay of Bengal system may develop into cyclonic storm
A well-marked low-pressure area persists over the south-east Bay of Bengal, the Andaman and Nicobar Islands and the Andaman Sea.
According to the forecast, the system is likely to intensify into a depression within the next six hours. It may strengthen further into a cyclonic storm within the following 24 hours.
The system is expected to move west-north-westwards and reach the central-west Bay of Bengal, near the Andhra Pradesh coast, by the evening of November 2.
Other weather systems influencing rainfall
The remnant of the very severe cyclonic storm Arnabi is currently positioned as a low-pressure area over south-east Uttar Pradesh and adjoining regions.
A cyclonic circulation also persists over the south Maharashtra coast and nearby areas.
In addition, a trough extends from the south-east Arabian Sea, off the south Kerala-Karnataka coast, towards the cyclonic circulation near the south Maharashtra coast.