Thiruvananthapuram : The Indian Meteorological Department has issued yellow alert for 4 districts until up to 6 October.
Idukki, Kannur and Wayanad have been issued yellow alert till 6 October while Kozhikode is warned of until 5 October only.
Lakhsadweep too is on yellow alert until 6 October.
In view of thick rains. the taluk control rooms will operate 24 hours in these districts.
Yellow Alert : A yellow rainfall alert is raised when expected rainfall is between 7.5 mm and 15 mm within an hour and is likely to continue.
It also warns of likely flooding in low-lying areas.