CHENNAI: After a brief lull, there were mild showers in several parts of the city on Monday. The weather forecasts moderate to heavy rain likely in coastal districts due to two cyclonic circulations prevailing over the TN coastal area.

The Regional Meteorological Centre (RMC) has issued an orange alert for the next two days for several areas in western Ghats and coastal districts.

There was light to moderate rain in many neighbourhoods including Egmore, Tondiarpet, Anna Nagar, Ashok Nagar, Guindy, Mylapore and Mount Road. The monsoon spell is expected to occur in the city and suburbs in the coming days.

“Due to a cyclonic circulation over the Comorin area and neighbourhood places too and now extends up to 3.1 km above mean sea level. Another circulation lies over the Southwest Bay of Bengal off the Tamil Nadu coast. Under its influence, orange alert was issued for Tenkasi, Tirunelveli, Theni, Dindigul, Coimbatore and The Nilgiris for the next two days,” explained S Balachandran, deputy director-general of meteorology, RMC, told reporters on Monday.

Districts including Chengalpattu, Kancheepuram, Villupuram, Cuddalore, Mayiladuthurai, Nagapattinam, Tiruvallur, Ranipet, Vellore, Tiruvannamalai, Tirupattur, Erode, Salem, Dharmapuri and Tiruppur are likely to receive heavy rainfall along with some thunderstorm activity.

According to RMC rainfall data, from October 1 to November 20 Tamil Nadu received 253 mm rainfall which is a 16% deficit. Of which, Chennai recorded 305 mm against its usual rainfall activity 547 mm that is 44% deficit rainfall received during the northeast monsoon so far.

Similarly, several interior and coastal districts continue to record less rainfall though moderate to heavy rainfall experienced in the State.