B-1 Moved West as estimated and at 1002 mb lies just South of Madurai at 11.30 pm (IST) 24th April.
Expected to move West and bring heavy rain South of the Mangalore/Bangalore/Chennai line. Chennai effect will decrease.
Detailed map put up on Vagaries.

RT @kbhaskar: @weatherofindia Now its windy at bangalore. Hopefully some rain... (8:40pm)

8pm, 90% of Kerala & 95% of Tamilnadu is under Heavy cloud cover & scattered heavy rains.. Rain in kolkata .. http://ow.ly/i/AhqE

RT @imran_ozone: @weatherofindia it's drizzling here in salem.will heavy rain come? (8:01pm)

5:30pm, Whole of S.Tamilnadu, S.Kerala is having heavy T.showers, Rain also seen over Punjab, Haryana & Himachal.. http://ow.ly/i/Ag9R

RT @1prad: @weatherofindia cloudburst in madurai....widespread thunderstorms and
very heavy rainfall. (5:53pm)

Madurai - http://ping.fm/vKtR7 (posted 2hrs ago)

RT @aashtvm: Raining here, but not that big trivandrum (4:19pm)

RT @skvcet: Thunderstorm at madurai... Heavy rain complimented by bright lightenings and frightening thunders... (4:29pm)

RT @jeyavel16: Uuhff....heavy thunder RAINING MADURAI (4:29pm)