Chennai, Dec. 2 -- Heavy rainfall and flooding was caused by Cyclone Ditwah's remnant deep depression in Tamil Nadu on Monday.

Schools and colleges in Chennai will remain closed on December 2, announced district collector Rashmi Siddharth Jagade on Monday.

Chennai's Nungambakkam weather station recorded 94.6 mm from 8.30am up to 5.30 pm on Monday.

The Deep Depression (Remnant of Cyclonic Storm Ditwah) over Southwest Bay of Bengal and adjoining North Tamil Nadu-Puducherry coasts moved slowly northwards with the speed of 3 kmph during and lay centered at 11.30am 50 km east of Chennai, 140 km northeast of Puducherry, 160 km north-northeast of Cuddalore and 170 km south-southeast of Andhra Pradesh's Nellore.

"The minimum distance of the c...