Reviewed at 10.pm IST, "Thane" is about 100 kms East of Puducherry. Notching up slightly, Pressure at 986 mb, the surface winds are 125 kmph, both parameters strengthening in the last 2 hrs.
Tracking slightly Northwards, 12.3N now), at about 10 kms per hour (currently), it can be assumed to cross the coast South of Chennai by early Friday Morning.
Chennai is facing gusty winds (NE) since 8.30 pm, and gusts have topped 56 kmph.
Cudalore is experiencing moderate to heavy rains, and is a cool 23c at 9 pm. Wind s are at 30-35 kmph, with gust probibility of 60 kmph.