Visakhapatnam was badly hit by Cyclone Hudhud.
Cyclone Hudhud, which on Sunday hit Andhra Pradesh coast, has also disrupted the functioning of the Visakhapatnam Cyclone Warning Centre here.
The centre lost contact with the radar, which was tracking the cyclone for the last two days.
Chief Minister N. Chandrababu Naidu told reporters in Hyderabad that the officials had no information about the cyclone crossing the coast, its impact or the wind speed as they lost access to the radar.
He said the officials were relying on the navy radar for information. "The navy informed us that the eye of the cyclone has crossed and that the windspeed is 185 kmph," he said.
Mr Naidu said the communication system had collapsed in the region and urged telecom service providers to immediately rectify the communication towers.