Posted on 28th October 2012 @ 9.15 pm.

From IMD:

BOB 02/2012/02 Dated: 28.10. 2012
Time of issue: 2030 hours IST
Sub: Depression over southwest Bay of Bengal:
Pre-Cyclone Watch for North Tamil Nadu and Puducherry coasts
The depression over southeast and adjoining southwest Bay of Bengal moved westwards and lay centred at 1730 hrs IST of today, the 28thth October 2012 over southwest Bay of Bengal near latitude 9.50N and longitude 85.00E, about 650 km southeast of Chennai (Tamilnadu) and 400 km east-northeast of Trincomalee (Srilanka). The system would intensify into a deep depression during next 24 hrs and subsequently into a marginal cyclonic storm. The system would move westwards towards north Sri Lanka and Tamil Nadu coast.
Under the influence of this system, rainfall at most places with isolated heavy to very heavy rainfall would commence over north coastal Tamil Nadu and Puducherry from tomorrow onwards.
Squally winds speed reaching 45-55 kmph would commence along and off north Tamil Nadu and Puducherry coasts from 29thth October afternoon onwards. Sea condition will be rough to very rough along and off north Tamil Nadu and Puducherry coasts from that period. Fishermen along north Tamil Nadu and Puducherry coasts, who are out at sea are advised to return to the coast.
The system is under constant surveillance.
The next bulletin will be issued at 0230 hrs IST of 29th October, 2012