Rainfall was a result of a trough of low pressure
CHENNAI: After a dry spell of two weeks, various parts of the city received sharp showers on Wednesday.
A trough of low pressure that has formed over south west bay and adjoining west central bay off Sri Lanka, Tamil Nadu and South Andhra Coast led to rainfall since Tuesday, according to Meteorological Department officials.
Many areas, including Koyambedu, T. Nagar, Ashok Nagar, Gopalapuram, Ayanavaram, Thiruvanmiyur and Kodungaiyur received heavy showers on Wednesday.
While the observatory at Nungambakkam recorded 15.8 mm of rainfall between 8.30 a.m. and 5.30 p.m., the facility in Meenambakkam registered 12.4 mm during the same period.
During the 24-hour period ending 8.30 a.m. on Wednesday, the city received 33 mm of rainfall.
Three of the four reservoirs on which the city is dependent for water also recorded showers during the 24 hours till 6.30 a.m.
Of them, the waterbody in Red Hills registered the highest rainfall of 41 mm followed by Cholavaram (22 mm) and Chembarambakkam (12 mm). Chennai Metrowater officials said the rain resulted in an additional storage of 50 million cubic feet, equivalent to two days’ water supply.
The forecast for the next two days is one or two spells of rain or thundershower, according to the Meteorological Department.