storm raged till well after 1130pm with a few minutes gap around 8pm when its tail left the city proper kolkata got 2442mm rain till 830pm and weather officials predicted that amphans effects would last till thursday eveningthis is the strongest cyclone to hit kolkata this century and fiercer than aila in terms of wind speed it struck the city on the south and travelled towards bangladesh generating a phenomenal wind speed it hit land at 230pm and completed landfall by 7pm regional meteorological centre rmc director g k das saiddigha and haldia too were hit with all modes of communication torn down and scores of houses damaged a team of indian navy divers were stationed at diamond harbour in south 24 parganas a defence spokesman said