Cyclone Fani is expected to turn into ‘severe’ cyclone storm and ‘very severe’ cyclone storm by tomorrow, the Indian Meteorological Department predicted. “Fani cyclonic storm is likely to intensify into severe cyclone storm tonight & very severe cyclonic storm by tomorrow. It's likely to move in north-west direction & come near to north Tamil Nadu and south Andhra coast by April 30 and May 1,” says S Balachandran, Deputy Director General, IMD Chennai.