With an Upper Air Circulation forming over West- Central bay of bengal , North Tamilnadu and South Andhra Pradesh have increased chances of witnessing Thunderstorms for next 3-4 days.These thunderstorms will most likely occur during late evening and night .
KTCC districts ( Kanchipuram , Thiruvallur , Chengalpattu , Chennai) will witness Thunderstorms due to convergence associated with UAC falling over these areas. Other parts of Tamilnadu such as Villupuram, delta districts could also see some thunderstorms during this period.
