India, Oct. 23 -- Two weather systems that weathermen forecast would bring heavy rainfall to Tamil Nadu on October 22 did not cause havoc but brought heavy rains only in isolated places.

The well marked low pressure over the Arabian Sea concentrated into a depression on October 22 that was 1,010 km south west of Goa's Panjim.

And another well marked low pressure in the Bay of Bengal off Tamil Nadu coast which had a possibility of intensifying into a depression, according to weathermen, did not intensify.

"It will not intensify into a depression. It is sort of diffusing and will cross the coast as a well marked low pressure," said an official in the Regional Meteorological Centre (RMC) in Chennai. And yet, under its influence rainfall o...