The MET office has forecast heavy rains in parts of Andhra Pradesh and Tamil Nadu as the depression over southwest Bay of Bengal may intensify into a cyclone. The depression moved north-northwest and lay centred about 120 km south by southeast of Chennai, the India Meteorological Department said on Tuesday evening.
"The system is likely to move north northwestwards towards north Tamil Nadu, south Andhra Pradesh coast and further intensify into a deep depression during next 24 hours. The system is likely to be close to Chennai during morning hours of 18 May. It will move northwards and then recurve north northeastwards and may intensify into a cyclonic storm during subsequent 24 hours," it said.
Strong winds with speed reaching 50 to 60 km per hour are likely along and off south and north coastal Andhra. Heavy rainfall will continue in Tamil Nadu and Puducherry during the next 24 hours, said the weather department on Wednesday.
It is expected to move north-northeastwards and intensify into a deep depression and further into a cyclonic storm over the next 48 hours. Rainfall is also predicted over south coastal and interior Tamil Nadu durning the next 24 hours.
"The depression over Southwest Bay of Bengal moved nearly northwards in past six hours and today it is located about 90 km east of Chennai and 70 kms from the (eastern) Coast", the Met department said.
Similarly, heavy rainfall is predicted over south Andhra Pradesh coast during the next 48 hours. According to the IMD, wind speed reaching 55-65 km per hour gusting to 75 km per hour would prevail along and off north Tamil Nadu and Puducherry during the next 24 hours and south Andhra Pradesh coast during next 48 hours.
According to the official blog of the UK MET office, up to 400mm of rain is possible in a 24-hour period.
Fishermen are advised not to venture into the sea as sea condition will be very rough during the next 48 hours. Meanwhile, the Tamil Nadu government has deputed senior officers to areas that may experience heavy rainfall to oversee precautionary measures.
Andhra Pradesh Chief Minister N Chandrababu Naidu also directed all district Collectors to take precautionary measures in view of the cyclone threat to southern and northern parts of the state. "District Collectors are directed to take necessary steps like keeping food and water packets ready," said Naidu, who was at Rajamahendravaram on a day's visit to participate in several programmes.
He also ordered state Chief Secretary SP Thakkar to take all necessary steps in this regard and said authorities concerned should direct fishermen not to venture into the sea.
The IMD advised fishermen not to venture into the sea as sea condition is likely to be rough along and off coastal Andhra, Puducherry and north Tamil Nadu.
The MET office has forecast heavy rain at isolated places in the districts of Krishna, Guntur, Prakasam and Nellore of coastal Andhra Pradesh and Chittoor, Anantapur, Kadapa and Kurnool of Rayalaseema on Thursday and Friday.
The MET department has warned of heavy rains in coastal and interior Tamil Nadu and Puducherry over the next 24 hours. It has also warned of heavy rainfall in isolated regions of south coastal Andhra Pradesh, Rayalaseema and coastal Karnataka over the next 48 hours.
However the UK MET blog also mentioned that such "tropical depressions and storms in the North Indian Ocean are not particularly unusual." and that they usually occur in the pre-monsoon and post-monsoon period.
Hyderabad Meteorological Centre has forecast thunderstorm accompanies with squalls at isolated places in Telangana till 21 May.
Meanwhile, there was appreciable rise in maximum temperatures at one or two places in Telangana.
Adilabad was the hottest place in the state with maximum temperature of 43.8 degrees Celsius. Ramagundam recorded 43 degrees Celsius.
The heat wave in Telangana has claimed 300 lives this season but rains over past few days significantly brought down the mercury.
With inputs from agencies
Updated Date: May 18, 2016 15:12 PM